Alert archive / Minnesota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 123, NWS Grand Forks, ND

August 8, 2023Clay County, Otter Tail County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2023, 7:20 PM CDT for Clay County, Otter Tail County, Wilkin County, Minnesota. It was in force for 55 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 8, 2023, 7:20 PM CDT (00:20 UTC)
Expired: Aug 8, 2023, 8:15 PM CDT
In force: 55 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, MN, Otter Tail County, MN, Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 137 km from the middle of the area, began a volume at 00:24 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.

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 8, 7:00 PM CDT, 20 minutes earlier.

Area forecast discussion, Aug 8, 7:00 PM CDT, 20 minutes before

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Hazardous weather outlook, Aug 8, 4:57 PM CDT, 2 hours 23 minutes before

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In the hours before

Special weather statement, Aug 8, 5:43 PM CDT, 1 hour 37 minutes before

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Local storm report, Aug 8, 5:49 PM CDT, 1 hour 31 minutes before

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Special weather statement, Aug 8, 6:09 PM CDT, 1 hour 11 minutes before

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Special weather statement, Aug 8, 6:15 PM CDT, 1 hour 5 minutes before

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Special weather statement, Aug 8, 6:58 PM CDT, 22 minutes before

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Special weather statement, Aug 8, 7:01 PM CDT, 19 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
Aug 8, 8:08 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wilkin	39 min
Aug 8, 10:24 PM CDT	Areal Flood Advisory	FGF	Otter Tail	3 hr
Aug 9, 4:34 PM CDT	Special Weather Statement	FGF	Otter Tail	26 min
Aug 8, 7:01 PM CDT	Special Weather Statement	FGF	Barnes	29 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2023 Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.