Alert archive / South Dakota / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 228
The Storm Prediction Center issued this severe thunderstorm watch at May 7, 2005, 7:55 PM CDT for Lyon County, Plymouth County, Sioux County, Iowa; 7 counties in Minnesota; 29 counties in South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 2005, 7:55 PM CDT (00:55 UTC)
- Expired
- May 8, 2005, 2:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Lyon County, IA, Plymouth County, IA, Sioux County, IA, Big Stone County, MN, Lac qui Parle County, MN, Lincoln County, MN, Pipestone County, MN, Rock County, MN, Stevens County, MN, Traverse County, MN, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brown County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Douglas County, SD, Grant County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 00:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:58 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 35 min |
| May 7, 8:00 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 33 min |
| May 7, 8:07 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 41 min |
| May 7, 8:08 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 52 min |
| May 7, 8:29 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 49 min |
| May 7, 8:30 PM CDT | Severe Thunderstorm Warning | ABR | Deuel, Hamlin | 45 min |
| May 7, 8:40 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 34 min |
| May 7, 8:51 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 24 min |
| May 7, 9:00 PM CDT | Severe Thunderstorm Warning | ABR | Day, Grant, Roberts | 46 min |
| May 7, 9:27 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 18 min |
| May 7, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:34 PM CDT | Mesoscale Discussion | SPC | Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more | 116 min |
| May 7, 11:07 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 83 min |
| May 8, 1:10 PM CDT | Mesoscale Discussion | SPC | Lyon, Sioux | 3 hr |
| May 8, 1:50 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 7 hr |
| May 8, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Carroll, Crawford, Fremont, Harrison, Mills and 5 more | 7 hr |
| May 8, 3:05 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 28 more | 85 min |
| May 8, 5:27 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more | 63 min |
| May 8, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Emmet, Franklin, Hamilton, Hancock, Hardin and 7 more | 8 hr |
| May 8, 3:50 PM CDT | Tornado Watch | SPC | Becker, Beltrami, Clearwater, Kittson, Lake of the Woods, Mahnomen and 6 more | 5 hr |
Nearby
Severe Thunderstorm Watches in South Dakota, 2005Severe Thunderstorm Watches in Minnesota, 2005Severe Thunderstorm Watches in Iowa, 2005Every severe thunderstorm watch in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.