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Flash Flood Warning — Bronx County, NY, Nassau County, NY, Queens County, NY, Suffolk County, NY
Flash Flood Warning
Issued
3:21 PM CDT · Tue, Jul 21 2026
Expires
6:30 PM CDT · Tue, Jul 21 2026
Issuing Office
NWS KOKX

Affected Areas

Bronx County, NY Nassau County, NY Queens County, NY Suffolk County, NY

Official Bulletin

070
WGUS51 KOKX 212021
FFWOKX
NYC005-059-081-103-212330-
/O.NEW.KOKX.FF.W.0022.260721T2021Z-260721T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
421 PM EDT Tue Jul 21 2026

The National Weather Service in Upton has issued a

* Flash Flood Warning for...
  Bronx County in southeastern New York...
  Northern Nassau County in southeastern New York...
  Queens County in southeastern New York...
  West Central Suffolk County in southeastern New York...

* Until 730 PM EDT.

* At 421 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 0.5 and 1 inch of rain
  has 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...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Flushing, Huntington Station, Deer Park, Glen Cove, Plainview,
  Syosset, Mineola, Huntington, Westbury, Great Neck, Farmingdale,
  Northport, Oyster Bay, Throgs Neck Bridge, Laguardia Airport,
  Bayside, Hicksville, Whitestone, Dix Hills and Melville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4087 7375 4085 7375 4088 7371 4087 7366
      4091 7364 4094 7334 4095 7329 4094 7327
      4073 7333 4073 7376 4078 7390 4088 7376

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

DBR