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Ended official alertUpdated

Severe Thunderstorm Warning for Adams, ND; Grant, ND; Sioux, ND

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
Adams, Grant, Sioux
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 752 PM MDT, a severe thunderstorm was located 14 miles northeast of North Lemmon, or 34 miles east of Hettinger, moving southeast at 20 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding,...

What the bulletin says to do

Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds.

Read official NWS bulletin

Full official description

Bulletin details

At 752 PM MDT, a severe thunderstorm was located 14 miles northeast of North Lemmon, or 34 miles east of Hettinger, moving southeast at 20 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mainly rural areas of Southwestern Grant, Western Sioux and East Central Adams Counties.

Lifecycle record

Official revisions

4 captured
  1. Update

    Severe Thunderstorm Warning issued August 11 at 8:52PM CDT until August 11 at 9:00PM CDT by NWS Bismarck ND

    Official revision
  2. Update

    Severe Thunderstorm Warning issued August 11 at 8:46PM CDT until August 11 at 9:00PM CDT by NWS Bismarck ND

    Official revision
  3. Update

    Severe Thunderstorm Warning issued August 11 at 8:33PM CDT until August 11 at 9:00PM CDT by NWS Bismarck ND

    Official revision
  4. Alert

    Severe Thunderstorm Warning issued August 11 at 8:21PM CDT until August 11 at 9:00PM CDT by NWS Bismarck ND

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Bismarck ND. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections