Alert archive / Minnesota / Tornado Watches in 2010
Tornado Watch 558
The Storm Prediction Center issued this tornado watch at Aug 1, 2010, 2:57 PM CDT for 22 counties in Minnesota; Richland County, Sargent County, North Dakota; 8 counties in South Dakota. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2010, 2:57 PM CDT (19:57 UTC)
- Expired
- Aug 1, 2010, 10:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 32 counties
Benton County, MN, Big Stone County, MN, Chippewa County, MN, Douglas County, MN, Grant County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Morrison County, MN, Otter Tail County, MN, Pope County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN, Richland County, ND, Sargent County, ND, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Roberts County, SD
The radar
The Minneapolis radar (KMPX), 177 km from the middle of the area, began a volume at 19:56 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:21 PM CDT | Severe Thunderstorm Warning | ABR | Big Stone, Traverse | 39 min |
| Aug 1, 9:27 PM CDT | Flash Flood Warning | FGF | Otter Tail | 13 hr |
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 |
|---|---|---|---|---|
| Jul 31, 9:15 PM CDT | Mesoscale Discussion | SPC | Kittson, Marshall, Polk | 2 hr |
| Aug 1, 1:27 PM CDT | Mesoscale Discussion | SPC | Big Stone, Chippewa, Douglas, Grant, Pope, Stevens and 3 more | 2 hr |
| Aug 1, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Traverse | 5 hr |
| Aug 1, 6:56 PM CDT | Mesoscale Discussion | SPC | Benton, Big Stone, Chippewa, Douglas, Grant, Kandiyohi and 16 more | 2 hr |
| Jul 31, 10:29 PM CDT | Mesoscale Discussion | SPC | Adams, Emmons, Grant, Hettinger, Logan, McIntosh and 2 more | 31 min |
| Aug 1, 3:22 PM CDT | Mesoscale Discussion | SPC | Burke, Divide, McKenzie, Mountrail, Renville, Ward and 1 more | 53 min |
| Aug 1, 3:39 PM CDT | Severe Thunderstorm Watch | SPC | Billings, Bottineau, Burke, Burleigh, Divide, Dunn and 20 more | 7 hr |
| Aug 1, 6:37 PM CDT | Mesoscale Discussion | SPC | Benson, Billings, Bottineau, Burke, Burleigh, Cavalier and 24 more | 113 min |
| Aug 1, 4:49 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Brule, Buffalo, Charles Mix and 17 more | 86 min |
Nearby
Tornado Watches in Minnesota, 2010Tornado Watches in South Dakota, 2010Tornado Watches in North Dakota, 2010Every tornado watch in 2010
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.