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Ended official alertUpdated

Special Marine Warning for Sodus Bay to Mexico Bay NY; Mexico Bay NY to the St. Lawrence River; Sodus Bay to Mexico Bay NY beyond 5NM off shoreline to US-Canadian border +2 more

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... Lake Ontario from Mexico Bay to the Saint Lawrence River The Saint Lawrence River from Cape Vincent to Alexandria Bay... At 831 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Tibbets Point, or 33 nm north of Mexico Bay, moving east at 25 knots....

What the bulletin says to do

A Tornado Watch remains in effect until 1100 PM EDT for central New York...and the adjacent waters of Lake Ontario. 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... Lake Ontario from Mexico Bay to the Saint Lawrence River The Saint Lawrence River from Cape Vincent to Alexandria Bay... At 831 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Tibbets Point, or 33 nm north of Mexico Bay, moving east at 25 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and large hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Pillar Point, Alexandria Bay, Mexico Bay, Southwick Beach, Henderson Harbor, Wellesley Island, Westcott Beach, Chaumont Bay, Selkirk Beach, Stony Point, Clayton, Sandy Island Beach, Black River Bay, Tibbets Point, Sackets Harbor, North Pond, St. Lawrence River, and Cape Vincent.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued September 2 at 8:32PM EDT until September 2 at 9:00PM EDT by NWS Buffalo NY

    Official revision
  2. Alert

    Special Marine Warning issued September 2 at 8:07PM EDT until September 2 at 9:00PM EDT by NWS Buffalo NY

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Buffalo NY. 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