Hail Map for Gann Valley, SD

Hail and Wind Damage Spotted near Gann Valley, SD

Date / Time	Report Details
7/14/2024 3:09 AM CDT	The storms which prompted the warning have weakened below severe limits, and have exited the warned area. therefore, the warning will be allowed to expire. however, gusty winds and heavy rain are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 600 am cdt for central and north central south dakota. a severe thunderstorm watch also remains in effect until 800 am cdt for northeastern south dakota.
7/14/2024 2:52 AM CDT	the severe thunderstorm warning has been cancelled and is no longer in effect
7/14/2024 2:52 AM CDT	At 251 am cdt, severe thunderstorms were located along a line extending from 6 miles west of athol to 7 miles west of aurora center, moving east at 55 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, redfield, tulare, cottonwood lake, twin lakes, spottswood, hitchcock, frankfort, glendale colony, spink colony and camrose colony.
7/14/2024 2:32 AM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/14/2024 2:20 AM CDT	Svrabr the national weather service in aberdeen has issued a * severe thunderstorm warning for, eastern jones county in central south dakota, hand county in central south dakota, sully county in central south dakota, hyde county in central south dakota, southern faulk county in north central south dakota, southern potter county in north central south dakota, southeastern stanley county in central south dakota, hughes county in central south dakota, southern spink county in northeastern south dakota, lyman county in central south dakota, buffalo county in central south dakota, * until 315 am cdt. * at 220 am cdt, severe thunderstorms were located along a line extending from near burkmere to 8 miles east of iona, moving east at 55 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, miller, faulkton, miller dale colony, shelby, orient, ree heights, gann valley, polo, etbauer hill, and sunshine bible academy around 225 am cdt. st. lawrence, miranda, and pleasant valley country church around 230 am cdt. burdette, rockham, devoe, and danforth around 235 am cdt. zell, vayland, and rosehill dam around 240 am cdt. Other locations in the path of these severe thunderstorms include cottonwood lake, redfield, athol, twin lakes, tulare, ashton, spottswood and hitchcock.
6/28/2024 12:40 AM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/18/2023 8:26 PM CDT	At 825 pm cdt, severe thunderstorms were located along a line extending from near shelby to near lake francis case to 10 miles southwest of lyman, moving south at 40 mph. these are destructive storms for wind and hail (radar indicated). Hazards include 80 mph wind gusts and two inch hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. extensive tree damage and power outages are likely. locations impacted include, fort thompson, presho, oacoma, kennebec, reliance, shelby, iona, gann valley, fate dam, crow creek housing, tailrace rec area, lyman, medicine butte, counselor creek boat access area, dude ranch, etbauer hill, earling hill, byre lake, lees corner and lake francis case. thunderstorm damage threat, destructive hail threat, radar indicated max hail size, 2. 00 in wind threat, radar indicated max wind gust, 80 mph.
7/18/2023 8:04 PM CDT	At 803 pm cdt, severe thunderstorms were located along a line extending from near lees corner to near oacoma to near fate dam, moving southeast at 40 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, oacoma, etbauer hill, dude ranch, crow creek housing, shelby, lyman and iona. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 1. 75 in wind threat, radar indicated max wind gust, 60 mph.
7/18/2023 7:45 PM CDT	At 745 pm cdt, severe thunderstorms were located along a line extending from near stephan to near medicine butte to near presho, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. severe thunderstorms will be near, medicine butte, counselor creek boat access area and tailrace rec area around 750 pm cdt. reliance around 755 pm cdt. lees corner around 800 pm cdt. other locations in the path of these severe thunderstorms include oacoma, etbauer hill, dude ranch, crow creek housing, shelby, gann valley and iona. hail threat, radar indicated max hail size, 1. 25 in wind threat, radar indicated max wind gust, 60 mph.
7/4/2023 3:41 AM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
6/24/2023 2:02 AM CDT	At 202 am cdt, a severe thunderstorm was located near etbauer hill, or 18 miles east of fort thompson, moving northeast at 30 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. this severe thunderstorm will be near, gann valley around 205 am cdt. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
6/24/2023 1:59 AM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
6/24/2023 1:58 AM CDT	The severe thunderstorm warning for southeastern hughes, eastern lyman and buffalo counties will expire at 200 am cdt, the storms which prompted the warning have moved out of the area. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 500 am cdt for central south dakota.
6/24/2023 1:19 AM CDT	At 119 am cdt, severe thunderstorms were located along a line extending from 11 miles northeast of degrey rec area to counselor creek boat access area to near dude ranch, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, fort thompson, oacoma, dude ranch, tailrace rec area and lake francis case around 125 am cdt. lees corner around 130 am cdt. shelby and crow creek housing around 135 am cdt. other locations in the path of these severe thunderstorms include etbauer hill and gann valley. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
8/2/2022 7:28 PM CDT	The severe thunderstorm warning for eastern buffalo county will expire at 730 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until midnight cdt for central south dakota.
8/2/2022 7:16 PM CDT	At 716 pm cdt, a severe thunderstorm was located over gann valley, or 18 miles north of kimball, moving east at 25 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, gann valley. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
8/2/2022 7:00 PM CDT	At 700 pm cdt, a severe thunderstorm was located over gann valley, or 19 miles north of kimball, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. this severe thunderstorm will remain over mainly rural areas of eastern buffalo county. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
7/5/2022 1:29 PM CDT	At 128 pm cdt, severe thunderstorms were located along a line extending from 9 miles west of storla to 9 miles southwest of iona, moving southeast at 40 mph (trained weather spotters). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. these severe thunderstorms will remain over mainly rural areas of southern hand, southeastern hyde, eastern lyman and buffalo counties, including the following locations, crow creek reservation and southeastern lower brule reservation. hail threat, radar indicated max hail size, 0. 75 in wind threat, observed max wind gust, 60 mph.
7/5/2022 1:17 PM CDT	At 116 pm cdt, severe thunderstorms were located along a line extending from 12 miles north of white lake to 9 miles south of hamill, moving southeast at 45 mph (trained weather spotters). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, lower brule, fort thompson, oacoma, reliance, shelby, iona, crow creek housing, tailrace rec area, lyman, pleasant valley country church, medicine butte, stephan, counselor creek boat access area, dude ranch, etbauer hill, gann valley, lees corner, lake francis case, sunshine bible academy and lake sharpe. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 0. 88 in wind threat, observed max wind gust, 70 mph.
7/5/2022 12:51 PM CDT	At 1251 pm cdt, severe thunderstorms were located along a line extending from 6 miles northeast of gann valley to 9 miles north of ideal, moving southeast at 40 mph (trained weather spotters). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, gann valley. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 0. 88 in wind threat, radar indicated max wind gust, 70 mph.
7/5/2022 12:21 PM CDT	At 1221 pm cdt, severe thunderstorms were located along a line extending from 7 miles south of miller dale colony to near 5 mile corner, moving southeast at 45 mph (trained weather spotters). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, sunshine bible academy around 1225 pm cdt. pleasant valley country church around 1230 pm cdt. other locations in the path of these severe thunderstorms include gann valley. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 0. 88 in wind threat, radar indicated max wind gust, 70 mph.
7/4/2022 1:32 AM CDT	At 132 am cdt, severe thunderstorms were located along a line extending from 6 miles north of stephan to near oacoma to 10 miles south of hamill, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, oacoma and dude ranch around 135 am cdt. crow creek housing around 145 am cdt. shelby and iona around 150 am cdt. other locations in the path of these severe thunderstorms include sunshine bible academy, pleasant valley country church and rosehill dam. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
6/29/2022 7:37 PM CDT	The severe thunderstorm warning for southeastern hughes, eastern lyman and buffalo counties will expire at 745 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 900 pm cdt for central south dakota. a severe thunderstorm watch also remains in effect until 100 am cdt for central south dakota.
6/29/2022 6:39 PM CDT	At 638 pm cdt, a severe thunderstorm was located near medicine butte, or 9 miles south of fort thompson, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
6/13/2022 12:32 AM CDT	At 1232 am cdt, severe thunderstorms were located along a line extending from pleasant valley country church to 6 miles southwest of kimball, moving east at 50 mph (trained weather spotters). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include, fort thompson, shelby, crow creek housing, etbauer hill, gann valley, pleasant valley country church, lees corner, lake sharpe and eastern crow creek reservation.
6/13/2022 12:26 AM CDT	At 1225 am cdt, a severe thunderstorm capable of producing a tornado was located over etbauer hill, or 14 miles east of fort thompson, moving northeast at 50 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, gann valley around 1235 am cdt. Other locations in the path of this tornadic thunderstorm include rosehill dam.
6/13/2022 12:13 AM CDT	At 1212 am cdt, severe thunderstorms were located along a line extending from 9 miles east of stephan to 8 miles northeast of iona, moving east at 50 mph (radar indicated). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include, lower brule, fort thompson, oacoma, reliance, shelby, iona, crow creek housing, tailrace rec area, pleasant valley country church, medicine butte, counselor creek boat access area, dude ranch, etbauer hill, gann valley, lees corner, lake francis case, lake sharpe, crow creek reservation and eastern lower brule reservation.
6/12/2022 11:45 PM CDT	At 1144 pm cdt, severe thunderstorms were located along a line extending from near west bend rec area to near hamill, moving east at 50 mph (radar indicated). Hazards include two inch hail and 70 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.
5/12/2022 1:54 AM CDT	The severe thunderstorm warning for northeastern buffalo county will expire at 200 am cdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire.
5/12/2022 1:43 AM CDT	At 143 am cdt, a severe thunderstorm was located near etbauer hill, or 17 miles east of fort thompson, moving northeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, gann valley. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/12/2022 1:28 AM CDT	At 127 am cdt, a severe thunderstorm was located over etbauer hill, or 10 miles east of fort thompson, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will remain over mainly rural areas of buffalo county, including the following locations, eastern crow creek reservation. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/12/2022 1:13 AM CDT	At 113 am cdt, a severe thunderstorm was located 7 miles southeast of tailrace rec area, or 9 miles south of fort thompson, moving north at 30 mph (radar indicated). Hazards include two inch hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, crow creek housing around 120 am cdt. tailrace rec area around 125 am cdt. fort thompson around 130 am cdt. other locations in the path of this severe thunderstorm include lees corner and etbauer hill. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 2. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2022 6:38 PM CDT	At 638 pm cdt, a severe thunderstorm was located near medicine butte, or 10 miles southwest of lower brule, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, lower brule and counselor creek boat access area around 650 pm cdt. lake sharpe and tailrace rec area around 655 pm cdt. other locations in the path of this severe thunderstorm include fort thompson, lees corner and etbauer hill. hail threat, radar indicated max hail size, 1. 25 in wind threat, radar indicated max wind gust, 60 mph.
4/22/2022 7:08 PM CDT	Golf Ball sized hail reported 11.6 miles SSE of Gann Valley, SD, between quarter and golfball.
8/22/2021 5:25 PM CDT	At 524 pm cdt, a severe thunderstorm was located near crow creek housing, or 9 miles northeast of chamberlain, moving northeast at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
8/7/2021 12:06 AM CDT	At 1204 am cdt, a severe thunderstorm was located over miller dale colony, or 11 miles southwest of miller, moving northeast at 50 mph (radar indicated. at 1150 pm cdt...a 73 mph wind was measured 1 mile northeast stephan). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. locations impacted include, miller and st. lawrence. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 70 mph.
8/6/2021 11:36 PM CDT	At 1134 pm cdt, a severe thunderstorm was located over lees corner, or near fort thompson, moving northeast at 50 mph (radar indicated. at 1115 pm cdt...reliance weather station reported a 71 mph wind). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. locations impacted include, miller dale colony, ree heights, miller and st. lawrence. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 70 mph.
8/6/2021 11:29 PM CDT	At 1129 pm cdt, a severe thunderstorm was located over tailrace rec area, or over fort thompson, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, lees corner around 1135 pm cdt. other locations in the path of this severe thunderstorm include miller dale colony, ree heights, miller and st. lawrence. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/5/2021 4:16 PM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
6/11/2021 3:23 AM CDT	At 323 am cdt, severe thunderstorms were located along a line extending from orient to shelby, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. severe thunderstorms will be near, gann valley around 335 am cdt. Other locations in the path of these severe thunderstorms include cottonwood lake, redfield and twin lakes.
5/23/2021 11:11 PM CDT	At 1110 pm cdt, severe thunderstorms were located along a line extending from near brentwood colony to 6 miles south of burdette to 9 miles northwest of wessington springs, moving northeast at 55 mph (trained weather spotters. at 1032 pm cdt, a 60 mph wind gust was reported 17 miles west of polo at the junction of sd 47 and sd 26). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. These severe storms will be near, burdette around 1115 pm cdt.
5/23/2021 10:57 PM CDT	At 1055 pm cdt, severe thunderstorms were located along a line extending from seneca to miller to gann valley, moving northeast at 55 mph (trained weather spotters. at 1032 pm cdt, a 60 mph wind gust was reported 17 miles west of polo at the junction of sd 47 and sd 26). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. these severe storms will be near, miller and st. lawrence around 1100 pm cdt. brentwood colony and vayland around 1105 pm cdt. Other locations in the path of these severe thunderstorms include burdette and norbeck.
5/23/2021 10:46 PM CDT	At 1045 pm cdt, severe thunderstorms were located along a line extending from 7 miles southeast of lebanon to near ree heights to near shelby, moving northeast at 55 mph (radar indicated. this line of storms has a history of producing severe wind gusts of 60 to 70 mph). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, ree heights and miller dale colony around 1050 pm cdt. miller around 1055 pm cdt. st. lawrence around 1100 pm cdt. brentwood colony, burkmere and vayland around 1105 pm cdt. Other locations in the path of these severe thunderstorms include burdette and norbeck.
8/9/2020 12:59 AM CDT	Storm damage reported in buffalo county SD, 3.3 miles S of Gann Valley, SD
8/9/2020 12:54 AM CDT	Storm damage reported in buffalo county SD, 3.3 miles S of Gann Valley, SD
8/9/2020 12:50 AM CDT	At 1249 am cdt, severe thunderstorms were located along a line extending from near stephan to near gann valley, moving north at 15 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, fort thompson, shelby, stephan, crow creek housing, etbauer hill, gann valley, lees corner, holabird, tailrace rec area and lake sharpe.
8/9/2020 12:29 AM CDT	At 1228 am cdt, severe thunderstorms were located along a line extending from near lake sharpe to near crow creek housing, moving northeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
7/7/2020 12:31 AM CDT	At 1231 am cdt, severe thunderstorms were located along a line extending from tailrace rec area to near iona, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, fort thompson and tailrace rec area around 1235 am cdt. Gann valley around 1255 am cdt.
7/5/2020 8:23 PM CDT	The severe thunderstorm warning for eastern buffalo county will expire at 830 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 1100 pm cdt for central south dakota.
7/5/2020 8:04 PM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/5/2020 7:58 PM CDT	At 757 pm cdt, a severe thunderstorm was located near gann valley, or 21 miles north of kimball, moving east at 25 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of eastern buffalo county.
7/5/2020 7:54 PM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/5/2020 7:44 PM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/5/2020 7:32 PM CDT	At 731 pm cdt, a severe thunderstorm was located over etbauer hill, or 11 miles east of fort thompson, moving east at 25 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe storm will be near, etbauer hill around 735 pm cdt. Gann valley around 800 pm cdt.
7/5/2020 7:19 PM CDT	At 718 pm cdt, a severe thunderstorm was located over fort thompson, moving east at 20 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe storm will be near, lees corner around 735 pm cdt. etbauer hill and crow creek housing around 755 pm cdt. shelby around 800 pm cdt. Gann valley around 825 pm cdt.
7/5/2020 7:15 PM CDT	At 714 pm cdt, a severe thunderstorm was located over fort thompson, moving east at 20 mph (trained weather spotters. at 704 pm cdt a 59 mph wind gust was reported one mile northeast of stephan). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. this severe thunderstorm will be near, lees corner around 735 pm cdt. etbauer hill and crow creek housing around 755 pm cdt. shelby around 800 pm cdt. Gann valley around 830 pm cdt.
6/17/2020 11:25 PM CDT	Mesonet station 201 gann valley (sddot in buffalo county SD, 3.3 miles S of Gann Valley, SD
6/6/2020 10:47 PM CDT	At 1047 pm cdt, severe thunderstorms were located along a line extending from 9 miles north of lake sharpe to medicine butte to near hamill, moving northeast at 55 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
8/17/2019 7:51 PM CDT	The severe thunderstorm warning for eastern buffalo county will expire at 800 pm cdt, the storms which prompted the warning have weakened below severe limits, and are exiting the warned area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 900 pm cdt for central south dakota.
8/17/2019 7:48 PM CDT	A severe thunderstorm warning remains in effect until 800 pm cdt for eastern buffalo county. at 748 pm cdt, severe thunderstorms were located along a line extending from near crow creek housing to 7 miles east of iona, moving east at 20 mph. hazard. 60 mph wind gusts and quarter size hail.
8/17/2019 7:29 PM CDT	At 728 pm cdt, severe thunderstorms were located along a line extending from 6 miles northwest of crow creek housing to iona, moving east at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, fort thompson, oacoma, shelby, iona, counselor creek boat access area, crow creek housing, tailrace rec area, dude ranch, etbauer hill, gann valley, lees corner and lake francis case.
8/17/2019 7:14 PM CDT	At 713 pm cdt, severe thunderstorms were located along a line extending from near tailrace rec area to near iona, moving east at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/28/2019 7:21 PM CDT	At 721 pm cdt, a severe thunderstorm was located over gann valley, or 17 miles north of kimball, moving southeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, gann valley.
7/28/2019 6:55 PM CDT	At 655 pm cdt, a severe thunderstorm was located 8 miles southwest of pleasant valley country church, or 18 miles northeast of fort thompson, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/20/2019 6:48 AM CDT	At 647 am cdt, a severe thunderstorm was located over gann valley, or 21 miles east of fort thompson, moving east at 40 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, gann valley.
1/1/0001 12:00 AM	Storm damage reported in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/20/2019 6:29 AM CDT	The national weather service in aberdeen has issued a * severe thunderstorm warning for. southern hand county in central south dakota. southeastern hyde county in central south dakota. buffalo county in central south dakota. Until 700 am cdt.
7/20/2019 6:12 AM CDT	At 612 am cdt, severe thunderstorms were located along a line extending from 8 miles north of lees corner to near dude ranch, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, lower brule, fort thompson, oacoma, reliance, shelby, crow creek housing, tailrace rec area, medicine butte, counselor creek boat access area, stephan, dude ranch, etbauer hill, gann valley, lees corner, lake francis case and lake sharpe.
7/20/2019 5:56 AM CDT	At 555 am cdt, severe thunderstorms were located along a line extending from near stephan to 8 miles south of reliance, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, lower brule, fort thompson, lyman, oacoma, kennebec, reliance, shelby, crow creek housing, tailrace rec area, joe creek rec area, medicine butte, counselor creek boat access area, stephan, dude ranch, etbauer hill, lake sharpe, gann valley, byre lake, lees corner and lake francis case.
7/20/2019 5:44 AM CDT	Gann valley rwis statio in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/20/2019 5:32 AM CDT	At 531 am cdt, severe thunderstorms were located along a line extending from near lake sharpe to 11 miles southwest of 5 mile corner, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
7/17/2019 1:27 AM CDT	The severe thunderstorm warning for southern hand and eastern buffalo counties will expire at 130 am cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service aberdeen.
7/17/2019 1:09 AM CDT	Storm damage reported in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/17/2019 1:07 AM CDT	At 106 am cdt, severe thunderstorms were located along a line extending from near vayland to 10 miles northeast of kimball, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/27/2018 5:05 AM CDT	At 504 am cdt, a severe thunderstorm was located near crow creek housing, or 7 miles southeast of fort thompson, moving southeast at 55 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, lower brule, fort thompson, shelby, counselor creek boat access area, crow creek housing, tailrace rec area, etbauer hill, gann valley, lees corner, lake sharpe and lake francis case.
6/27/2018 4:49 AM CDT	At 449 am cdt, a severe thunderstorm was located near lower brule, moving southeast at 55 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
6/8/2018 10:13 PM CDT	At 1012 pm cdt, a severe thunderstorm was located near gann valley, or 17 miles east of fort thompson, moving east at 35 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
6/8/2018 10:01 PM CDT	At 959 pm cdt, severe thunderstorms were located along a line extending from near etbauer hill to 15 miles west of platte, moving east at 40 mph (trained weather spotters reported semi that had been blown off i-90 just east of oacoma at 938 pm. winds of 70 mph were measured 3 miles southeast of reliance at 935 pm as well). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, fort thompson, shelby, counselor creek boat access area, crow creek housing, tailrace rec area, etbauer hill, gann valley, lees corner and lake francis case.
6/8/2018 9:47 PM CDT	At 946 pm cdt, severe thunderstorms were located along a line extending from near etbauer hill to 10 miles southeast of iona, moving east at 40 mph (trained weather spotters. at 935 pm, a 65 mph wind gust was reported in oacoma). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, lower brule, fort thompson, oacoma, shelby, iona, crow creek housing, tailrace rec area, counselor creek boat access area, dude ranch, etbauer hill, gann valley, lees corner and lake francis case.
6/8/2018 9:29 PM CDT	At 929 pm cdt, severe thunderstorms were located along a line extending from tailrace rec area to 6 miles south of iona, moving east at 40 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
5/17/2018 11:41 PM CDT	The severe thunderstorm warning for hand, eastern sully, hyde, southeastern stanley, hughes, lyman and buffalo counties will expire at 1145 pm cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until midnight cdt for central south dakota.
5/17/2018 10:42 PM CDT	At 1040 pm cdt, severe thunderstorms were located along a line extending from near blunt to near earling hills, moving east at 40 mph (trained weather spotters). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
7/21/2017 11:47 PM CDT	At 1147 pm cdt, severe thunderstorms were located along a line extending from 8 miles southwest of spottswood to 6 miles southeast of stephan, moving southeast at 80 mph (trained weather spotters). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/17/2017 7:12 PM CDT	At 712 pm cdt, severe thunderstorms were located along a line extending from 7 miles north of etbauer hill to 8 miles north of oacoma to 8 miles southwest of earling hills, moving southeast at 20 mph (radar indicated). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.
7/4/2017 11:29 PM CDT	At 1129 pm cdt, a severe thunderstorm was located 8 miles north of gann valley, or 20 miles east of fort thompson, moving southeast at 10 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, gann valley.
7/4/2017 11:17 PM CDT	At 1116 pm cdt, a severe thunderstorm was located 8 miles southwest of pleasant valley country church, or 19 miles northeast of fort thompson, moving southeast at 10 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/22/2017 4:39 AM CDT	The severe thunderstorm warning for southwestern hand, southeastern hyde and northeastern buffalo counties will expire at 445 am cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm.
6/22/2017 4:19 AM CDT	At 418 am cdt, a severe thunderstorm was located near etbauer hill, or 16 miles east of fort thompson, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, gann valley, pleasant valley country church and etbauer hill.
6/22/2017 3:53 AM CDT	At 353 am cdt, a severe thunderstorm was located near stephan, or 9 miles north of lower brule, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/21/2017 3:20 AM CDT	At 319 am cdt, severe thunderstorms were located along a line extending from near etbauer hill to chamberlain to near hamill, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, oacoma, shelby, iona, crow creek housing, dude ranch, etbauer hill, gann valley, lake francis case and lees corner.
6/21/2017 2:53 AM CDT	At 251 am cdt, severe thunderstorms were located along a line extending from near stephan to near kennebec to 9 miles northwest of ideal, moving southeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. 62 mph wind gust was reported near presho. expect damage to roofs, siding, and trees
6/11/2017 4:25 AM CDT	The severe thunderstorm warning for southwestern hand, southeastern hyde and buffalo counties will expire at 430 am cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 500 am cdt for central south dakota.
6/11/2017 4:10 AM CDT	At 408 am cdt, a severe thunderstorm was located near etbauer hill, or 16 miles east of fort thompson, moving east at 50 mph (radar indicated). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include, shelby, gann valley, crow creek housing and etbauer hill.
6/11/2017 3:43 AM CDT	At 342 am cdt, a severe thunderstorm was located near medicine butte, or 9 miles south of fort thompson, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, lower brule, fort thompson, oacoma, reliance, shelby, crow creek housing, tailrace rec area, medicine butte, counselor creek boat access area, etbauer hill, gann valley, lees corner, lake francis case and lake sharpe.
6/11/2017 3:28 AM CDT	At 328 am cdt, a severe thunderstorm was located near lyman, or 11 miles southwest of lower brule, moving east at 50 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
9/4/2016 10:12 PM CDT	The severe thunderstorm warning for southeastern stanley, southeastern hughes, northeastern jones, buffalo, lyman, southern hyde and southwestern hand counties will expire at 1015 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until midnight cdt for central south dakota.
9/4/2016 9:22 PM CDT	At 921 pm cdt, a severe thunderstorm was located near kennebec, or near presho, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. and trees. this severe thunderstorm will be near, kennebec and byre lake around 925 pm cdt. lyman around 930 pm cdt. reliance and medicine butte around 940 pm cdt. lower brule and counselor creek boat access area around 945 pm cdt. fort thompson, tailrace rec area and lake sharpe around 950 pm cdt. lees corner around 955 pm cdt. etbauer hill around 1005 pm cdt. Pleasant valley country church around 1015 pm cdt.
8/14/2016 11:03 PM CDT	At 1103 pm cdt, a severe thunderstorm was located near tailrace rec area, or 8 miles south of fort thompson, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. and trees. this severe thunderstorm will be near, crow creek housing around 1115 pm cdt. shelby and etbauer hill around 1120 pm cdt. Gann valley around 1135 pm cdt.
8/4/2016 2:59 AM CDT	Gann valley rwi in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/16/2016 10:20 PM CDT	. in buffalo county SD, 3.3 miles S of Gann Valley, SD
7/6/2016 9:20 PM CDT	Numerous branches downed. in buffalo county SD, 1.1 miles WSW of Gann Valley, SD
6/22/2016 4:45 AM CDT	At 445 am cdt, a severe thunderstorm was located over etbauer hill, or 10 miles east of fort thompson, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe storm will be near, shelby around 450 am cdt. Gann valley around 505 am cdt.
6/22/2016 4:35 AM CDT	At 435 am cdt, a severe thunderstorm was located over lees corner, or near fort thompson, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, shelby, etbauer hill and crow creek housing around 450 am cdt. Gann valley around 505 am cdt.
6/22/2016 2:32 AM CDT	At 231 am cdt, a severe thunderstorm was located near gann valley, or 15 miles north of kimball, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of southeastern buffalo county.
6/22/2016 2:12 AM CDT	At 212 am cdt, a severe thunderstorm was located near crow creek housing, or 11 miles east of fort thompson, moving southeast at 45 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, shelby around 215 am cdt. Gann valley around 225 am cdt.
8/9/2015 2:41 PM CDT	Quarter sized hail reported 11.1 miles SE of Gann Valley, SD
8/9/2015 2:36 PM CDT	At 235 pm cdt, a severe thunderstorm was located near etbauer hill, or 17 miles east of fort thompson, moving east at 10 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding and trees. This severe thunderstorm will be near, gann valley around 255 pm cdt.
8/9/2015 2:35 PM CDT	Quarter sized hail reported 11.1 miles SE of Gann Valley, SD
7/28/2015 12:41 AM CDT	At 1240 am cdt, severe thunderstorms were located along a line extending from near polo to 9 miles north of kimball, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. severe thunderstorms will be near, burdette and rockham around 1255 am cdt. zell and cottonwood lake around 105 am cdt. Redfield, tulare and twin lakes around 115 am cdt.
7/27/2015 11:56 PM CDT	At 1155 pm cdt, a severe thunderstorm was located over medicine butte, or near lower brule, moving east at 60 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. this severe thunderstorm will be near, fort thompson and tailrace rec area around 1205 am cdt. lees corner around 1210 am cdt. shelby, etbauer hill and crow creek housing around 1215 am cdt. Gann valley around 1225 am cdt.
7/13/2015 12:56 AM CDT	At 1255 am cdt, a severe thunderstorm was located over pleasant valley country church, or 18 miles south of miller, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. This severe thunderstorm will be near, rosehill dam around 105 am cdt.
7/13/2015 12:27 AM CDT	At 1226 am cdt, a severe thunderstorm was located over tailrace rec area, or over fort thompson, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. this severe storm will be near, lees corner around 1235 am cdt. crow creek housing around 1240 am cdt. shelby and etbauer hill around 1245 am cdt. Gann valley around 1255 am cdt.
7/12/2015 11:57 PM CDT	At 1157 pm cdt, a severe thunderstorm was located near byre lake, or 11 miles northeast of presho, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. this severe thunderstorm will be near, lyman around 1205 am cdt. lower brule and medicine butte around 1210 am cdt. reliance and counselor creek boat access area around 1215 am cdt. tailrace rec area and lake sharpe around 1220 am cdt. fort thompson and lees corner around 1225 am cdt. shelby and crow creek housing around 1235 am cdt. Gann valley around 1245 am cdt.
7/1/2015 4:53 AM CDT	At 452 am cdt, a severe thunderstorm was located near lees corner, or 8 miles east of fort thompson, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding and trees. this severe storm will be near, crow creek housing around 500 am cdt. Shelby around 505 am cdt.
7/1/2015 4:36 AM CDT	At 436 am cdt, a severe thunderstorm was located near lees corner, or 11 miles northeast of fort thompson, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs. siding and trees. this severe storm will be near, etbauer hill around 445 am cdt. shelby and crow creek housing around 455 am cdt. Gann valley around 500 am cdt.
7/1/2015 4:09 AM CDT	At 409 am cdt, a severe thunderstorm was located 9 miles south of highmore, moving southeast at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding and trees. this severe thunderstorm will be near, stephan around 420 am cdt. etbauer hill around 440 am cdt. Gann valley around 450 am cdt.
6/22/2015 3:37 AM CDT	At 336 am cdt, severe thunderstorms were located along a line extending from near highmore to 6 miles southwest of pleasant valley country church to 7 miles south of lake francis case, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows and vehicles. extensive tree damage and power outages are likely. severe thunderstorms will be near, pleasant valley country church around 340 am cdt. ree heights around 350 am cdt. miller and st. lawrence around 400 am cdt. Vayland around 405 am cdt.
6/22/2015 3:18 AM CDT	At 318 am cdt, a severe thunderstorm was located near medicine butte, or 11 miles south of lower brule, moving east at 100 mph. this is a very dangerous storm (radar indicated). Hazards include 80 mph wind gusts. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows and vehicles. extensive tree damage and power outages are likely. This severe thunderstorm will be near, shelby and crow creek housing around 330 am cdt.
6/22/2015 3:00 AM CDT	At 300 am cdt, a severe thunderstorm was located near cedar creek rec area, or 19 miles north of presho, moving east at 70 mph. this is a very dangerous storm (radar indicated). Hazards include 80 mph wind gusts and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows and vehicles. extensive tree damage and power outages are likely. this severe thunderstorm will be near, west bend rec area and joe creek rec area around 310 am cdt. stephan around 325 am cdt. Pleasant valley country church around 345 am cdt.
6/20/2015 2:11 AM CDT	The severe thunderstorm warning for east central hyde, eastern buffalo, hand and southwestern spink counties will expire at 215 am cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 400 am cdt for central south dakota. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service aberdeen.
6/20/2015 1:49 AM CDT	At 146 am cdt, severe thunderstorms were located along a line extending from near ree heights to 9 miles northeast of kimball, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows and vehicles. extensive tree damage and power outages are likely. these severe storms will be near, st. lawrence around 155 am cdt. vayland around 200 am cdt. Spottswood around 210 am cdt.
6/20/2015 1:29 AM CDT	At 129 am cdt, severe thunderstorms were located along a line extending from 11 miles north of holabird to near chamberlain, moving east at 90 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows and vehicles. extensive tree damage and power outages are likely. severe thunderstorms will be near, shelby around 135 am cdt. polo around 145 am cdt. burdette around 155 am cdt. cottonwood lake around 200 am cdt. redfield, tulare, twin lakes and spottswood around 205 am cdt. Spink colony and glendale colony around 215 am cdt.
5/10/2015 3:30 PM CDT	At 330 pm cdt, a severe thunderstorm was located near gann valley, or 19 miles east of fort thompson, moving north at 30 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows and vehicles. this severe thunderstorm will be near, pleasant valley country church around 405 pm cdt. sunshine bible academy around 410 pm cdt. 1. 50in.
6/18/2014 6:51 PM CDT	Dime hail with 60 mph wind gust in buffalo county SD, 0.9 miles W of Gann Valley, SD
9/4/2012 7:30 PM CDT	Quarter sized hail reported 3.4 miles S of Gann Valley, SD
7/12/2012 9:10 PM CDT	Quarter sized hail reported 10.2 miles S of Gann Valley, SD
7/12/2012 9:01 PM CDT	Half Dollar sized hail reported 8.8 miles S of Gann Valley, SD, hail started at 901 pm and quit at 912 pm cdt. it was a little larger than quarters. also had 40 to 50 mph winds.
6/13/2012 6:30 PM CDT	Golf Ball sized hail reported 11.6 miles S of Gann Valley, SD, resident called local sheriffs office with report of golf ball sized hail which was relayed to nws
6/13/2012 6:27 PM CDT	Volunteer firefighter reported 70 mph wind gusts with golf ball sized hail in hand county SD, 14.2 miles SSW of Gann Valley, SD