Alert archive / North Dakota / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 36, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 18, 2024, 12:30 AM CDT for 6 counties in North Dakota. It was in force for 45 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
- Jun 18, 2024, 12:30 AM CDT (05:30 UTC)
- Expired
- Jun 18, 2024, 1:15 AM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Ramsey County, ND, Steele County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 66 km from the middle of the area, began a volume at 05:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 10:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 5.5 hours before the alert went out and 335 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 917 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 336 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 Jun 17, 10:33 PM CDT, 1 hour 57 minutes earlier.
Area forecast discussion, Jun 17, 10:33 PM CDT, 1 hour 57 minutes before
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</html>Hazardous weather outlook, Jun 17, 6:39 PM CDT, 5 hours 51 minutes before
Hazardous Weather Outlook National Weather Service Grand Forks ND 639 PM CDT Mon Jun 17 2024 NDZ006>008-014-015-054-182345- Towner-Cavalier-Pembina-Benson-Ramsey-Western Walsh- 639 PM CDT Mon Jun 17 2024 This hazardous weather outlook is for portions of eastern North Dakota. .DAY ONE...Tonight Training showers and thunderstorms will bring the threat for flash flooding this evening and overnight. There is a level 1 out of 5 risk for severe thunderstorms for the Devils Lake Basin and adjacent areas. The main hazards will be golf ball size hail and a lower risk for 60 mph winds. Flash flooding is possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Tuesday...Flooding Risk. Strong Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today. MNZ001>008-013>015-022-027-029-030-040-NDZ016-024-026>030-038-039- 049-052-053-182345- West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods- West Marshall-East Marshall-Pennington-Red Lake-East Polk- Mahnomen-West Becker-Wilkin-West Otter Tail-Grant-Eastern Walsh- Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom- Sargent-Richland- 639 PM CDT Mon Jun 17 2024 This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...Tonight Training showers and thunderstorms will bring the threat for flash flooding this evening and overnight. Isolated to scattered severe thunderstorms are possible this evening, overnight, and early Tuesday morning. There is a level 2 out of 5 risk for severe thunderstorms. The main hazards will be golf ball size hail and a lower risk for 70 mph winds. Flash flooding is possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Tuesday...Level 2 out of 5 Severe Thunderstorm Risk. Flooding Risk. Thursday and Friday...Flooding Risk. Strong Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today. MNZ009-016-017-023-024-028-031-032-182345- North Beltrami-North Clearwater-South Beltrami-South Clearwater- Hubbard-East Becker-East Otter Tail-Wadena- 639 PM CDT Mon Jun 17 2024 This hazardous weather outlook is for portions of west central and northwest Minnesota. .DAY ONE...Tonight Training showers and thunderstorms will bring the threat for flash flooding across the region through Monday and Tuesday. Isolated to scattered severe thunderstorms are possible overnight and Tuesday morning. There is a level 2 out of 5 risk for severe thunderstorms. The main hazards will be ping pong ball size hail and a lower risk for 60 mph winds. Flash flooding is possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Tuesday...Level 2 out of 5 Severe Thunderstorm Risk. Flooding Risk. Thursday and Friday...Flooding Risk. Strong Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today.
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:00 AM CDT | Special Weather Statement | FGF | Barnes, Griggs, Steele | 30 min |
| Jun 18, 1:10 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 50 min |
| Jun 18, 1:23 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele, Traill | 52 min |
| Jun 18, 1:54 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 51 min |
| Jun 18, 2:07 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Steele, Traill | 23 min |
| Jun 18, 2:11 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland, Sargent | 49 min |
| Jun 18, 2:22 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Steele, Traill | 38 min |
| Jun 18, 2:50 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland, Sargent, Traill | 40 min |
| Jun 18, 2:58 AM CDT | Areal Flood Advisory | FGF | Grand Forks | 6 hr |
| Jun 18, 3:24 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 66 min |
| Jun 18, 3:25 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 65 min |
| Jun 18, 4:27 AM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 63 min |
| Jun 18, 2:42 AM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington, Polk, Red Lake | 63 min |
| Jun 18, 3:19 AM CDT | Flash Flood Warning | FGF | Polk | 6 hr |
| Jun 18, 4:20 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 3 more | 55 min |
| Jun 18, 5:14 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Hubbard, Otter Tail, Wadena | 31 min |
| Jun 18, 10:44 AM CDT | River Flood Watch | FGF | Marshall | 23 hr |
| Jun 18, 10:44 AM CDT | River Flood Watch | FGF | Polk | 19 hr |
| Jun 18, 1:41 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 43 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.