Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 150, NWS Grand Forks, ND

August 11, 2026Barnes County, Ransom County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 11, 2026, 10:38 AM CDT for Barnes County, Ransom County, North Dakota. It was in force for 67 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 11, 2026, 10:38 AM CDT (15:38 UTC)
Expired: Aug 11, 2026, 11:45 AM CDT
In force: 67 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

Counties Barnes County, ND, Ransom County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 101 km from the middle of the area, began a volume at 15:38 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 11, 6:36 AM CDT, 4 hours 2 minutes earlier.

Area forecast discussion, Aug 11, 6:36 AM CDT, 4 hours 2 minutes before

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Hazardous weather outlook, Aug 11, 3:55 AM CDT, 6 hours 43 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 11, 10:01 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2026 Every severe thunderstorm warning in 2026

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.