Alert archive / North Dakota / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 582
The Storm Prediction Center issued this severe thunderstorm watch at Aug 10, 2007, 3:41 PM CDT for 10 counties in North Dakota; 10 counties in South Dakota. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2007, 3:41 PM CDT (20:41 UTC)
- Expired
- Aug 10, 2007, 11:18 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Dickey County, ND, Emmons County, ND, Foster County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Sioux County, ND, Stutsman County, ND, Wells County, ND, Brown County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, McPherson County, SD, Potter County, SD, Spink County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 77 km from the middle of the area, began a volume at 20:42 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 3:55 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 65 min |
| Aug 10, 4:18 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 42 min |
| Aug 10, 4:22 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 53 min |
| Aug 10, 4:37 PM CDT | Tornado Warning | BIS | Logan | 23 min |
| Aug 10, 4:48 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 57 min |
| Aug 10, 4:57 PM CDT | Tornado Warning | BIS | Logan | 33 min |
| Aug 10, 5:00 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 21 min |
| Aug 10, 5:41 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 64 min |
| Aug 10, 5:52 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 53 min |
| Aug 10, 5:56 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 49 min |
| Aug 10, 6:20 PM CDT | Tornado Warning | BIS | Emmons | 40 min |
| Aug 10, 6:45 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 45 min |
| Aug 10, 6:57 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 36 min |
| Aug 10, 6:59 PM CDT | Tornado Warning | BIS | Emmons | 31 min |
| Aug 10, 7:03 PM CDT | Tornado Warning | ABR | Corson | 27 min |
| Aug 10, 7:30 PM CDT | Tornado Warning | BIS | Emmons, Sioux | 30 min |
| Aug 10, 7:31 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 59 min |
| Aug 10, 7:40 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 65 min |
| Aug 10, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 60 min |
| Aug 10, 8:14 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 61 min |
| Aug 10, 8:26 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 30 min |
| Aug 10, 8:40 PM CDT | Tornado Warning | ABR | Walworth | 35 min |
| Aug 10, 8:46 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 29 min |
| Aug 10, 9:00 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 60 min |
| Aug 10, 9:09 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 66 min |
| Aug 10, 9:57 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 63 min |
| Aug 10, 10:10 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 38 min |
| Aug 10, 10:21 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 42 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 |
|---|---|---|---|---|
| Aug 10, 2:04 PM CDT | Mesoscale Discussion | SPC | Burleigh, Dickey, Emmons, Grant, Kidder, LaMoure and 5 more | 116 min |
| Aug 10, 2:33 PM CDT | Mesoscale Discussion | SPC | Nelson, Pembina, Walsh | 87 min |
| Aug 10, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 2 more | 7 hr |
| Aug 10, 4:57 PM CDT | Mesoscale Discussion | SPC | Divide, Golden Valley, Williams | 2 hr |
| Aug 10, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 20 more | 9 hr |
| Aug 9, 8:18 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Yankton | 4 hr |
| Aug 9, 9:33 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 5 more | 87 min |
| Aug 9, 10:14 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Union | 6 hr |
| Aug 10, 1:45 AM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 5 more | 60 min |
| Aug 10, 4:25 AM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 6 more | 35 min |
| Aug 10, 10:45 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 18 more | 90 min |
| Aug 10, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Union, Yankton | 5 hr |
| Aug 10, 4:33 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Jackson, Jones, Mellette, Stanley and 1 more | 57 min |
| Aug 10, 5:03 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 6 more | 6 hr |
Nearby
Severe Thunderstorm Watches in North Dakota, 2007Severe Thunderstorm Watches in South Dakota, 2007Every severe thunderstorm watch in 2007
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.