Flash Flood Warning 19, NWS New York, NY

Issued

Aug 1, 2011, 7:31 PM EDT (23:31 UTC)

Expired

Aug 1, 2011, 7:58 PM EDT

In force

27 min

Issued by

NWS New York, NY

Area

Storm-based polygon

Flood severity

None

Counties Nassau County, NY, Queens County, NY

The Brookhaven radar (KOKX), 74 km from the middle of the area, began a volume at 23:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

208 
WGUS51 KOKX 012331
FFWOKX
NYC059-081-020230-
/O.NEW.KOKX.FF.W.0019.110801T2331Z-110802T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
731 PM EDT MON AUG 1 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN NASSAU COUNTY IN SOUTHEAST NEW YORK...
  QUEENS COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 1030 PM EDT...

* AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM OVER NORTHERN QUEENS...TRACKING TO THE       
  SOUTHEAST. THIS STORM WILL IMPACT THE WARNED AREA. THIS REGION HAS 
  ALREADY RECEIVED EXCESSIVE RAINFALL FROM PREVIOUS STORMS THIS      
  EVENING. FLASH FLOODING CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.  
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN 
DEPTH BY FOOT OR BY AUTOMOBILE.

&&

LAT...LON 4060 7379 4063 7376 4066 7382 4079 7388
      4078 7385 4081 7385 4080 7376 4085 7375
      4085 7373 4087 7372 4087 7369 4083 7364
      4085 7365 4084 7364 4065 7350 4061 7365
      4062 7367 4059 7371 4059 7378

$$

JMC

831 
WGUS71 KOKX 012358
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
758 PM EDT MON AUG 1 2011

NYC059-081-020007-
/O.CAN.KOKX.FF.W.0019.000000T0000Z-110802T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
QUEENS NY-NASSAU NY-
758 PM EDT MON AUG 1 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN NASSAU AND
QUEENS COUNTIES...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED SIGNIFICANTLY AND 
NO LONGER POSES A HEAVY RAIN THREAT. 

ADDITIONAL FLASH FLOODING IS NO LONGER EXPECTED. THE WARNING HAS 
THEREFORE BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK.

LAT...LON 4060 7379 4063 7376 4066 7382 4079 7388
      4078 7385 4081 7385 4080 7376 4085 7375
      4085 7373 4087 7372 4087 7369 4083 7364
      4085 7365 4084 7364 4065 7350 4061 7365
      4062 7367 4059 7371 4059 7378

$$

JMC

Flash Flood Warnings in New York, 2011Every flash flood warning in 2011

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.