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Ended official alertUpdated

Flash Flood Warning for Bergen, NJ; Rockland, NY; Westchester, NY

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

At 712 PM EDT, Doppler radar indicated thunderstorms produced heavy rain across the warned area. Radar has estimated between 2 and 4 inches of rain having fallen in the area. The heaviest rainfall has moved northeast of the area, with rainfall rates decreased 0.5 inch in 1 hour. Additional rainfall amounts of 0.5...

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. If you are in a basement, be prepared to move to a higher floor. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Read official NWS bulletin

Full official description

Bulletin details

At 712 PM EDT, Doppler radar indicated thunderstorms produced heavy rain across the warned area. Radar has estimated between 2 and 4 inches of rain having fallen in the area. The heaviest rainfall has moved northeast of the area, with rainfall rates decreased 0.5 inch in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area before coming to and end by 8pm. Several reports of road closures and water rescues have been reported. Flash flooding is ongoing, with rapid rises along streams and small rivers noted. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... New City, Ossining, Ridgewood, Monsey, Nanuet, Ramsey, Haverstraw, Nyack, Pearl River, Orangeburg, Upper Nyack, Spring Valley, Wyckoff, Glen Rock, Franklin Lakes, Hillsdale, River Vale, Waldwick and Valley Cottage.

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued August 7 at 7:12PM EDT until August 7 at 8:45PM EDT by NWS Upton NY

    Official revision
  2. Alert

    Flash Flood Warning issued August 7 at 5:50PM EDT until August 7 at 8:45PM EDT by NWS Upton NY

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Upton 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