Alert archive / Minnesota / Snow Squall Warnings in 2024

Snow Squall Warning 7, NWS Grand Forks, ND

December 4, 2024Richland County, North Dakota; Otter Tail County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this snow squall warning at Dec 4, 2024, 10:35 AM CST for Richland County, North Dakota; Otter Tail County, Wilkin County, Minnesota. It was in force for 25 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
Dec 4, 2024, 10:35 AM CST (16:35 UTC)
Expired
Dec 4, 2024, 11:00 AM CST
In force
25 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Damage threat
Significant

Counties Otter Tail County, MN, Wilkin County, MN, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 150 km from the middle of the area, began a volume at 16:36 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, 4.6 hours before the alert went out and 272 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2024-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2024-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
26 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 snow squall 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 snow squall warning went out at Dec 4, 9:57 AM CST, 38 minutes earlier.

Area forecast discussion, Dec 4, 9:57 AM CST, 38 minutes before
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Hazardous weather outlook, Dec 4, 6:20 AM CST, 4 hours 15 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
620 AM CST Wed Dec 4 2024

MNZ001>005-007-008-013>015-022-027-029-030-040-NDZ006>008-014>016-
024-026>030-038-039-049-052>054-051230-
West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall-
Pennington-Red Lake-East Polk-Mahnomen-West Becker-Wilkin-
West Otter Tail-Grant-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-
Cass-Ransom-Sargent-Richland-Western Walsh-
620 AM CST Wed Dec 4 2024

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

.DAY ONE...Today and Tonight

Winter weather advisory is effect until 6pm. Visibility reductions
of one-half mile are expected due to blowing snow. Travel will be
difficult at times. During light snow showers, brief visibility
reductions of a quarter mile will make travel conditions
impossible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

MNZ006-009-016-017-023-024-028-031-032-051230-
Lake Of The Woods-North Beltrami-North Clearwater-South Beltrami-
South Clearwater-Hubbard-East Becker-East Otter Tail-Wadena-
620 AM CST Wed Dec 4 2024

This hazardous weather outlook is for portions of west central
and northwest Minnesota.

.DAY ONE...Today and Tonight

Periodic snow showers and winds gusting to 40 mph will reduce
visibilities below a mile at times.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

In the hours before

Local storm report, Dec 4, 8:33 AM CST, 2 hours 2 minutes before
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Local storm report, Dec 4, 10:30 AM CST, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 8:07 AM CSTSnow Squall Warning Significant damage threatFGFGrand Forks, Traill, Walsh23 min
Dec 4, 8:26 AM CSTSnow Squall Warning Significant damage threatFGFGrand Forks, Traill34 min
Dec 4, 8:56 AM CSTSnow Squall WarningFGFTraill34 min
Dec 4, 9:16 AM CSTSnow Squall Warning Significant damage threatFGFCass, Traill29 min
Dec 4, 9:45 AM CSTSnow Squall Warning Significant damage threatFGFCass30 min
Dec 4, 10:12 AM CSTSnow Squall Warning Significant damage threatFGFCass33 min
Dec 4, 10:57 AM CSTSnow Squall Warning Significant damage threatFGFGrant, Otter Tail, Wilkin48 min

Nearby

Snow Squall Warnings in Minnesota, 2024Snow Squall Warnings in North Dakota, 2024Every snow squall 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.