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Ended official alertUpdated

Special Marine Warning for Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chester River to Queenstown MD

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... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... At 230 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Sevenfoot Knoll, moving northeast at 15 knots. HAZARD...Waterspouts,...

What the bulletin says to do

Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

Full official description

Bulletin details

For the following areas... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... At 230 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Sevenfoot Knoll, moving northeast at 15 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and small hail. 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... Tolchester Beach and Rock Hall.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued August 20 at 2:30PM EDT until August 20 at 3:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Update

    Special Marine Warning issued August 20 at 2:23PM EDT until August 20 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