Alert archive / North Dakota / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 552
The Storm Prediction Center issued this severe thunderstorm watch at Jul 25, 2007, 6:25 PM CDT for 11 counties in Minnesota; 14 counties in North Dakota. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2007, 6:25 PM CDT (23:25 UTC)
- Expired
- Jul 26, 2007, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 25 counties
Beltrami County, MN, Clearwater County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Benson County, ND, Cavalier County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 61 km from the middle of the area, began a volume at 23:27 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:30 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 60 min |
| Jul 25, 7:03 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 57 min |
| Jul 25, 7:33 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey | 57 min |
| Jul 25, 8:10 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 43 min |
| Jul 25, 10:52 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 53 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 |
|---|---|---|---|---|
| Jul 24, 9:36 PM CDT | Mesoscale Discussion | SPC | Chippewa, Lac qui Parle, Lincoln, Lyon, Murray, Redwood and 2 more | 54 min |
| Jul 25, 5:06 PM CDT | Mesoscale Discussion | SPC | Kittson, Marshall, Roseau | 84 min |
Nearby
Severe Thunderstorm Watches in North Dakota, 2007Severe Thunderstorm Watches in Minnesota, 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.