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Ended official alertUpdated

Severe Thunderstorm Warning for Macomb, MI; St. Clair, MI

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
Macomb, St. Clair
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 1219 PM EDT, a severe thunderstorm was located near Harsens Island, or near Algonac, moving east at 35 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. This severe storm will be near... Algonac, Marine...

What the bulletin says to do

For your protection move to an interior room on the lowest floor of a building. 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 1219 PM EDT, a severe thunderstorm was located near Harsens Island, or near Algonac, moving east at 35 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. This severe storm will be near... Algonac, Marine City, and Harsens Island around 1225 PM EDT. Other locations impacted by this severe thunderstorm include Anchorville, Adair, Roseville, Shelby Township, Rattle Run, Ray Center, Fraser, Utica, Smiths Creek, and Eastpointe.

Lifecycle record

Official revisions

3 captured
  1. Update

    Severe Thunderstorm Warning issued September 3 at 12:19PM EDT until September 3 at 12:30PM EDT by NWS Detroit/Pontiac MI

    Official revision
  2. Update

    Severe Thunderstorm Warning issued September 3 at 11:51AM EDT until September 3 at 12:30PM EDT by NWS Detroit/Pontiac MI

    Official revision
  3. Alert

    Severe Thunderstorm Warning issued September 3 at 11:23AM EDT until September 3 at 12:30PM EDT by NWS Detroit/Pontiac MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Detroit/Pontiac MI. 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