Alert archive / Minnesota / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 107, NWS Grand Forks, ND

July 26, 2024Marshall County, Pennington County, Red Lake County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 26, 2024, 7:43 PM CDT for Marshall County, Pennington County, Red Lake County, Minnesota. It was in force for 47 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: Jul 26, 2024, 7:43 PM CDT (00:43 UTC)
Expired: Jul 26, 2024, 8:30 PM CDT
In force: 47 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Marshall County, MN, Pennington County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 107 km from the middle of the area, began a volume at 00:45 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

International Fa, MN (KINL), launched 00:00Z, 0.7 hours before the alert went out and 218 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2189 J/kg
Mixed-layer CIN: -153 J/kg
Mixed-layer LCL: 1106 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jul 26, 7:11 PM CDT, 32 minutes earlier.

Area forecast discussion, Jul 26, 7:11 PM CDT, 32 minutes before

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Hazardous weather outlook, Jul 26, 4:31 AM CDT, 15 hours 12 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
431 AM CDT Fri Jul 26 2024

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-270945-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Towner-Cavalier-
Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-Grand Forks-
Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland-
Western Walsh-
431 AM CDT Fri Jul 26 2024

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Heat impacts are expected today, with heat indices into the lower
100s in the Red River Valley. Lingering wildfire smoke may impact
sensitive groups.

There is a level 1 out of 5 risk for severe weather this evening.

Locally heavy rain may lead to excessive runoff in northeast ND
and northwest MN, particularly in poor drainage and urban areas.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a level 2 out of 5 risk for severe weather Saturday
afternoon and evening.

There is a level 1 out of 5 risk for severe weather Sunday
afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required this evening.

In the hours before

Special weather statement, Jul 26, 6:39 PM CDT, 1 hour 4 minutes before

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Special weather statement, Jul 26, 7:27 PM CDT, 16 minutes before

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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 1:01 AM CDT	Areal Flood Advisory	FGF	Grand Forks	87 min
Jul 27, 2:28 AM CDT	Flash Flood Warning	FGF	Grand Forks	5 hr
Jul 26, 7:27 PM CDT	Special Weather Statement	FGF	Pennington	33 min
Jul 26, 8:22 PM CDT	Special Weather Statement	FGF	Pennington	38 min
Jul 26, 9:48 PM CDT	Special Weather Statement	FGF	Pennington, Red Lake	27 min
Jul 26, 10:44 PM CDT	Special Weather Statement	FGF	Beltrami	31 min
Jul 26, 11:49 PM CDT	Special Weather Statement	FGF	Pennington	41 min
Jul 27, 1:29 AM CDT	Flash Flood Warning	FGF	Marshall, Pennington	6 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2024 Every 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.