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Active official alertUpdated

Severe Thunderstorm Warning for St. Clair, MI

Official alert fields

What you need to know

Applies to
St. Clair
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 652 PM EDT, a severe thunderstorm was located over Capac, moving east at 35 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage...

What the bulletin says to do

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.

Full official description

Bulletin details

At 652 PM EDT, a severe thunderstorm was located over Capac, moving east at 35 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe storm will be near... Yale and Emmett around 655 PM EDT. Marysville around 715 PM EDT. Port Huron around 720 PM EDT. Other locations impacted by this severe thunderstorm include Fort Gratiot, North Street, Avoca, Jeddo, Blaine, Fargo, Lynn Township, Goodells, Brockway, and Smiths Creek.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

4 captured
  1. Update

    Severe Thunderstorm Warning issued September 2 at 6:52PM EDT until September 2 at 7:45PM EDT by NWS Detroit/Pontiac MI

    Official revision
  2. Update

    Severe Thunderstorm Warning issued September 2 at 6:41PM EDT until September 2 at 7:45PM EDT by NWS Detroit/Pontiac MI

    Official revision
  3. Update

    Severe Thunderstorm Warning issued September 2 at 6:34PM EDT until September 2 at 7:45PM EDT by NWS Detroit/Pontiac MI

    Official revision
  4. Alert

    Severe Thunderstorm Warning issued September 2 at 6:22PM EDT until September 2 at 7:45PM 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