Alert archive / North Dakota / Severe Thunderstorm Watches in 2023
Severe Thunderstorm Watch 577
The Storm Prediction Center issued this severe thunderstorm watch at Jul 31, 2023, 7:06 PM CDT for 9 counties in North Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2023, 7:06 PM CDT (00:06 UTC)
- Expired
- Jul 31, 2023, 11:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
Counties Benson County, ND, Eddy County, ND, Foster County, ND, Kidder County, ND, McHenry County, ND, Pierce County, ND, Sheridan County, ND, Stutsman County, ND, Wells County, ND
The radar
The Minot AFB radar (KMBX), 120 km from the middle of the area, began a volume at 00:09 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 50%
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 31, 7:14 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce | 46 min |
| Jul 31, 7:59 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 46 min |
| Jul 31, 8:10 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 65 min |
| Jul 31, 8:42 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 63 min |
| Jul 31, 9:11 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Wells | 49 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 31, 8:48 PM CDT | Mesoscale Discussion | SPC | Benson, McHenry, Pierce, Sheridan, Wells | 87 min |
| Aug 1, 3:12 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Burke, Burleigh, Dunn, Golden Valley and 13 more | 2 hr |
| Aug 1, 3:22 PM CDT | Mesoscale Discussion | SPC | Benson, Cass, Eddy, Foster, Grand Forks, Griggs and 6 more | 113 min |
| Aug 1, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Barnes, Billings, Bowman, Burleigh, Cass and 33 more | 8 hr |
| Aug 1, 5:44 PM CDT | Mesoscale Discussion | SPC | Barnes, Burleigh, Cass, Dickey, Emmons, Foster and 17 more | 91 min |
| Aug 1, 6:05 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Grant and 11 more | 85 min |
Nearby
Severe Thunderstorm Watches in North Dakota, 2023Every severe thunderstorm watch in 2023
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.