Alert archive / Minnesota / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 133, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 26, 2024, 12:36 PM CDT for Grant County, Otter Tail County, Minnesota. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 26, 2024, 12:36 PM CDT (17:36 UTC)
- Expired
- Aug 26, 2024, 1:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Grant County, MN, Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 188 km from the middle of the area, began a volume at 17:37 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.6 hours before the alert went out and 229 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3708 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 26, 10:00 AM CDT, 2 hours 36 minutes earlier.
Area forecast discussion, Aug 26, 10:00 AM CDT, 2 hours 36 minutes before
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</html>Hazardous weather outlook, Aug 26, 7:31 AM CDT, 5 hours 5 minutes before
Hazardous Weather Outlook National Weather Service Grand Forks ND 731 AM CDT Mon Aug 26 2024 MNZ003-024-027>032-040-NDZ038-039-049-052-053-271245- Clay-Hubbard-West Becker-East Becker-Wilkin-West Otter Tail- East Otter Tail-Wadena-Grant-Barnes-Cass-Ransom-Sargent-Richland- 731 AM CDT Mon Aug 26 2024 This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...Today and Tonight Severe Thunderstorms are possible late this afternoon and evening for areas in southeast North Dakota into west central Minnesota. The highest risk level is 3 out of 5 (enhanced) within west central Minnesota. The main hazards will be hail up to quarters and damaging winds of 70 miles per hour. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Wednesday...Level 2 out of 5 Severe Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today. MNZ001-002-004>009-013>017-022-023-NDZ006>008-014>016-024-026>030- 054-271245- West Polk-Norman-Kittson-Roseau-Lake Of The Woods-West Marshall- East Marshall-North Beltrami-Pennington-Red Lake-East Polk- North Clearwater-South Beltrami-Mahnomen-South Clearwater-Towner- Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Western Walsh- 731 AM CDT Mon Aug 26 2024 This hazardous weather outlook is for portions of eastern North Dakota and northwest Minnesota. .DAY ONE...Today and Tonight There is a level 1 out of 5 risk for severe thunderstorms later this afternoon and into the evening hours along the highway 200 corridor. The main hazards will be hail up to quarters and damaging winds of 60 miles per hour. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Wednesday...Level 1 out of 5 Severe Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today.
In the hours before
Special weather statement, Aug 26, 12:28 PM CDT, 8 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
1228 PM CDT Mon Aug 26 2024
MNZ030-040-261745-
Grant MN-West Otter Tail MN-
1228 PM CDT Mon Aug 26 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL OTTER TAIL AND
NORTHEASTERN GRANT COUNTIES THROUGH 1245 PM CDT...
At 1228 PM CDT, Doppler radar was tracking a strong thunderstorm over
Dalton, or 10 miles southeast of Fergus Falls, moving southeast at 15
mph.
HAZARD...Wind gusts up to 50 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Elbow Lake, Ashby, and Dalton.
This includes Interstate 94 in Minnesota between mile markers 60 and
76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4615 9617 4628 9597 4617 9577 4609 9577
4596 9596
TIME...MOT...LOC 1728Z 307DEG 11KT 4616 9596
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
HolleyThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 12:28 PM CDT | Special Weather Statement | FGF | Grant | 17 min |
| Aug 26, 1:24 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 51 min |
| Aug 26, 2:03 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 27 min |
| Aug 26, 2:17 PM CDT | Areal Flood Advisory | FGF | Otter Tail | 6 hr |
| Aug 26, 2:28 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2024Every severe thunderstorm warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.