Special Marine Warning for Detroit River; Lake St. Clair Open Lake (U.S. Portion)
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... At 247 AM EDT, a severe thunderstorm was located near St. Clair Shores, moving east at 40 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... At 247 AM EDT, a severe thunderstorm was located near St. Clair Shores, moving east at 40 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will be near... St. Clair Shores and Grosse Pointe around 255 AM EDT.
Lifecycle record
Official revisions
- Update
Special Marine Warning issued September 3 at 2:48AM EDT until September 3 at 3:30AM EDT by NWS Detroit/Pontiac MI
Official revision - Alert
Special Marine Warning issued September 3 at 2:31AM EDT until September 3 at 3:30AM 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