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Ended official alertUpdated

Severe Thunderstorm Warning for Columbia, WI; Dane, WI

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
Columbia, Dane
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 1006 AM CDT, a severe thunderstorm was located over Cottage Grove, or near Marshall, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Madison, Sun Prairie, Fitchburg, Stoughton, Waunakee, Verona, Oregon,...

What the bulletin says to do

For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Read official NWS bulletin

Full official description

Bulletin details

At 1006 AM CDT, a severe thunderstorm was located over Cottage Grove, or near Marshall, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Madison, Sun Prairie, Fitchburg, Stoughton, Waunakee, Verona, Oregon, McFarland, Monona, Windsor, Edgerton, Columbus, Marshall, Deforest, Cottage Grove, Belleville, Deerfield, Fall River, Shorewood Hills, and Cambridge. People attending Madison Ride the Drive should seek safe shelter immediately!

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 9 at 10:06AM CDT until August 9 at 10:30AM CDT by NWS Milwaukee/Sullivan WI

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 9 at 9:45AM CDT until August 9 at 10:30AM CDT by NWS Milwaukee/Sullivan WI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Milwaukee/Sullivan WI. 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