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Ended official alertUpdated

Special Marine Warning for Tidal Potomac from Cobb Island MD to Smith Point VA

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

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... Tidal Potomac from Cobb Island MD to Smith Point VA... At 244 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Tall Timbers, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in...

What the bulletin says to do

Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Full official description

Bulletin details

For the following areas... Tidal Potomac from Cobb Island MD to Smith Point VA... At 244 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Tall Timbers, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include... Breton Bay, Saint Clements Bay, Coles Point, White Point Beach, and Tall Timbers.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued August 2 at 2:44PM EDT until August 2 at 3:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Alert

    Special Marine Warning issued August 2 at 2:22PM EDT until August 2 at 3:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Baltimore MD/Washington DC. 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