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Ended official alertUpdated

Flash Flood Warning for Bergen, NJ; Bronx, NY; New York, NY +1 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

At 358 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash...

What the bulletin says to do

Move to higher ground now! This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. If you are in a basement, be prepared to move to a higher floor.

Read official NWS bulletin

Full official description

Bulletin details

At 358 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Yonkers, New Rochelle, White Plains, Mott Haven, East Tremont, Port Chester, Rye, Tarrytown, Dobbs Ferry, Laguardia Airport, Harlem, Greenwich, Riverdale, Co-op City, Fort Lee, Harrison, Englewood, Scarsdale, Bronxville and Hawthorne.

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued July 21 at 3:58PM EDT until July 21 at 6:45PM EDT by NWS Upton NY

    Official revision
  2. Alert

    Flash Flood Warning issued July 21 at 3:38PM EDT until July 21 at 6:45PM 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