Alert archive / North Dakota / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 137, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 28, 2024, 10:21 PM CDT for Barnes County, Griggs County, North Dakota. 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 28, 2024, 10:21 PM CDT (03:21 UTC)
- Expired
- Aug 28, 2024, 11:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Barnes County, ND, Griggs County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 73 km from the middle of the area, began a volume at 03:23 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 3.4 hours before the alert went out and 199 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
- 2577 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
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 Aug 28, 9:55 PM CDT, 26 minutes earlier.
Area forecast discussion, Aug 28, 9:55 PM CDT, 26 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Aug 28, 9:30 PM CDT, 51 minutes before
Hazardous Weather Outlook National Weather Service Grand Forks ND 930 PM CDT Wed Aug 28 2024 NDZ014-015-024-026-028-038-049-052-300230- Benson-Ramsey-Eddy-Nelson-Griggs-Barnes-Ransom-Sargent- 930 PM CDT Wed Aug 28 2024 This hazardous weather outlook is for portions of eastern North Dakota. .DAY ONE...Tonight There is a level 2 out of 5 risk for severe weather over parts of eastern North Dakota overnight, with the main hazards being hail up to ping pong balls and wind gusts to 60 mph. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thursday...Strong Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today. MNZ001>005-007-008-013>015-022-027-029-NDZ006>008-016-027-029-030- 039-053-054-300230- West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall- Pennington-Red Lake-East Polk-Mahnomen-West Becker-Wilkin-Towner- Cavalier-Pembina-Eastern Walsh-Grand Forks-Steele-Traill-Cass- Richland-Western Walsh- 930 PM CDT Wed Aug 28 2024 This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...Tonight There is a level 1 out of 5 risk for severe weather over parts of eastern North Dakota overnight, with the main hazards being hail up to ping pong balls and wind gusts to 60 mph. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thursday...Strong Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required today. MNZ006-009-016-017-023-024-028-030>032-040-300230- Lake Of The Woods-North Beltrami-North Clearwater-South Beltrami- South Clearwater-Hubbard-East Becker-West Otter Tail- East Otter Tail-Wadena-Grant- 930 PM CDT Wed Aug 28 2024 This hazardous weather outlook is for portions of west central and northwest Minnesota. .DAY ONE...Tonight Scattered strong thunderstorms expected across the region. The main hazard will be lightning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thursday...Level 2 out of 5 Severe Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated today.
In the hours before
Special weather statement, Aug 28, 10:08 PM CDT, 13 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
1008 PM CDT Wed Aug 28 2024
NDZ028-038-290415-
Griggs ND-Barnes ND-
1008 PM CDT Wed Aug 28 2024
...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN GRIGGS AND BARNES
COUNTIES THROUGH 1115 PM CDT...
At 1007 PM CDT, Doppler radar was tracking a cluster of strong
thunderstorms near Spiritwood Lake, or 12 miles northeast of
Jamestown, moving east at 35 mph.
HAZARD...Wind gusts of 50 to 55 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...
Valley City, Wimbledon, Sanborn, Hannaford, Oriska, Dazey, and
Rogers.
This includes Interstate 94 in North Dakota between mile markers 272
and 303.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4733 9847 4735 9799 4733 9799 4732 9796
4724 9796 4724 9784 4679 9774 4679 9844
4698 9844 4698 9847
TIME...MOT...LOC 0307Z 257DEG 28KT 4703 9848
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
JRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:08 PM CDT | Special Weather Statement | FGF | Barnes | 67 min |
| Aug 28, 10:54 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 66 min |
| Aug 28, 11:54 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele, Traill | 66 min |
| Aug 29, 12:36 AM CDT | Special Weather Statement | FGF | Ramsey | 39 min |
| Aug 29, 12:41 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 49 min |
| Aug 29, 1:02 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 43 min |
| Aug 29, 1:15 AM CDT | Special Weather Statement | FGF | Towner | 60 min |
| Aug 29, 1:44 AM CDT | Special Weather Statement | FGF | Cass | 46 min |
| Aug 29, 2:20 AM CDT | Special Weather Statement | FGF | Benson | 40 min |
| Aug 29, 3:05 AM CDT | Special Weather Statement | FGF | Grand Forks | 40 min |
| Aug 29, 3:13 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 47 min |
| Aug 29, 3:34 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 56 min |
| Aug 29, 5:09 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele | 51 min |
| Aug 29, 7:10 AM CDT | Areal Flood Advisory | FGF | Grand Forks, Steele, Traill | 4 hr |
| Aug 29, 8:37 AM CDT | Flash Flood Warning | FGF | Grand Forks | 5 hr |
| Aug 29, 4:45 AM CDT | Severe Thunderstorm Warning | FGF | Norman, Pennington, Polk, Red Lake | 45 min |
| Aug 29, 5:22 AM CDT | Flash Flood Warning | FGF | Polk | 4 hr |
| Aug 29, 5:24 AM CDT | Severe Thunderstorm Warning | FGF | Polk, Red Lake | 51 min |
| Aug 29, 6:07 AM CDT | Special Weather Statement | FGF | Clearwater | 38 min |
| Aug 29, 10:58 AM CDT | Special Weather Statement | FGF | Red Lake | 32 min |
| Aug 29, 1:54 PM CDT | Special Weather Statement | FGF | Wadena | 36 min |
| Aug 29, 2:29 PM CDT | Special Weather Statement | FGF | Otter Tail | 16 min |
| Aug 29, 4:47 PM CDT | Special Weather Statement | FGF | Hubbard | 28 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.