Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 292, NWS Grand Forks, ND

August 20, 2020Cavalier County, Ramsey County, Towner County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 20, 2020, 7:17 AM CDT for Cavalier County, Ramsey County, Towner County, North Dakota. It was in force for 30 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 20, 2020, 7:17 AM CDT (12:17 UTC)
Expired: Aug 20, 2020, 7:47 AM CDT
In force: 30 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cavalier County, ND, Ramsey County, ND, Towner County, ND

The radar

The Minot AFB radar (KMBX), 153 km from the middle of the area, began a volume at 12:17 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 20, 6:34 AM CDT, 43 minutes earlier.

Area forecast discussion, Aug 20, 6:34 AM CDT, 43 minutes before

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Hazardous weather outlook, Aug 20, 6:15 AM CDT, 1 hour 2 minutes before

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In the hours before

Local storm report, Aug 20, 2:23 AM CDT, 4 hours 54 minutes before

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Special weather statement, Aug 20, 2:23 AM CDT, 4 hours 54 minutes before

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Local storm report, Aug 20, 2:30 AM CDT, 4 hours 47 minutes before

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Local storm report, Aug 20, 2:33 AM CDT, 4 hours 44 minutes before

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Special weather statement, Aug 20, 5:20 AM CDT, 1 hour 57 minutes before

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Special weather statement, Aug 20, 6:19 AM CDT, 58 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 20, 12:20 AM CDT	Severe Thunderstorm Warning	FGF	Kittson	55 min
Aug 20, 12:57 AM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Roseau	63 min
Aug 20, 1:27 AM CDT	Special Weather Statement	FGF	Marshall	33 min
Aug 20, 1:43 AM CDT	Special Weather Statement	FGF	Marshall	32 min
Aug 20, 2:23 AM CDT	Special Weather Statement	FGF	Marshall, Pennington, Red Lake	37 min
Aug 20, 5:20 AM CDT	Special Weather Statement	FGF	Towner	55 min
Aug 20, 6:19 AM CDT	Special Weather Statement	FGF	Towner	56 min
Aug 20, 7:47 AM CDT	Special Weather Statement	FGF	Ramsey, Walsh	28 min
Aug 20, 9:11 AM CDT	Special Weather Statement	FGF	Eddy	34 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2020 Every severe thunderstorm warning in 2020

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.