Flash Flood Warning 31, NWS New York, NY

Issued

Aug 19, 2011, 7:24 PM EDT (23:24 UTC)

Expired

Aug 19, 2011, 8:30 PM EDT

In force

66 min

Issued by

NWS New York, NY

Area

Storm-based polygon

Flood severity

None

Counties Bergen County, NJ, Hudson County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Westchester County, NY

The Brookhaven radar (KOKX), 83 km from the middle of the area, began a volume at 23:25 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.

992 
WGUS51 KOKX 192324
FFWOKX
NJC003-017-NYC005-047-059-061-081-085-119-200030-
/O.NEW.KOKX.FF.W.0031.110819T2324Z-110820T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
724 PM EDT FRI AUG 19 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN NASSAU COUNTY IN SOUTHEAST NEW YORK...
  WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
  QUEENS COUNTY IN SOUTHEAST NEW YORK...
  RICHMOND (STATEN ISLAND) COUNTY IN SOUTHEAST NEW YORK...
  KINGS (BROOKLYN) COUNTY IN SOUTHEAST NEW YORK...
  NEW YORK (MANHATTAN) COUNTY IN SOUTHEAST NEW YORK...
  BRONX COUNTY IN SOUTHEAST NEW YORK...
  SOUTHEASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
  HUDSON COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 830 PM EDT...

* AT 721 PM EDT...FLASH FLOODING WAS REPORTED FROM THUNDERSTORMS
  ALONG A LINE EXTENDING FROM DOBBS FERRY TO LONG ISLAND CITY TO TODT
  HILL...OR ALONG A LINE EXTENDING FROM DOBBS FERRY TO MIDTOWN
  MANHATTAN TO TODT HILL...MOVING EAST AT 15 MPH.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  PARK SLOPE...BROOKLYN HEIGHTS...VERRAZANO-NARROWS BRIDGE AND EAST
  TREMONT BY 730 PM EDT...
  SCARSDALE...LAGUARDIA AIRPORT...JACKSON HEIGHTS AND BAY RIDGE BY
  735 PM EDT...
  BENSONHURST AND WHITE PLAINS BY 740 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 4102 7396 4106 7369 4098 7364 4082 7378
      4079 7393 4080 7376 4092 7351 4091 7351
      4077 7358 4059 7377 4055 7389 4056 7392
      4063 7376 4064 7391 4063 7392 4063 7389
      4062 7388 4057 7398 4061 7404 4051 7424

$$

MALOIT

211 
WGUS71 KOKX 200001
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
801 PM EDT FRI AUG 19 2011

NJC017-NYC085-200012-
/O.CAN.KOKX.FF.W.0031.000000T0000Z-110820T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-RICHMOND (STATEN ISLAND) NY-
801 PM EDT FRI AUG 19 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR RICHMOND (STATEN
ISLAND) AND HUDSON COUNTIES...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

LAT...LON 4056 7391 4056 7392 4063 7376 4064 7391
      4062 7389 4062 7388 4058 7398 4070 7399
      4081 7384 4071 7398 4071 7399 4088 7400
      4101 7392 4106 7369 4098 7364 4080 7384
      4091 7351 4077 7358 4059 7377

$$

NJC003-NYC005-047-059-061-081-119-200030-
/O.CON.KOKX.FF.W.0031.000000T0000Z-110820T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERGEN NJ-BRONX NY-NEW YORK (MANHATTAN) NY-KINGS (BROOKLYN) NY-
QUEENS NY-WESTCHESTER NY-NASSAU NY-
801 PM EDT FRI AUG 19 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
NORTHWESTERN NASSAU...WESTCHESTER...QUEENS...KINGS (BROOKLYN)...NEW
YORK (MANHATTAN)...BRONX AND SOUTHEASTERN BERGEN COUNTIES...

AT 759 PM EDT...THUNDERSTORMS PRODUCING FLASH FLOODING WAS REPORTED. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM PORT CHESTER TO
LITTLE NECK TO SHEEPSHEAD BAY...OR ALONG A LINE EXTENDING FROM PORT
CHESTER TO GREAT NECK TO FLATBUSH...MOVING EAST AT 15 MPH.

THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  CANARSIE...OZONE PARK...CLEARVIEW EXPRESSWAY AND SHEEPSHEAD BAY BY
  800 PM EDT...
  GREAT NECK...LITTLE NECK...RYE AND PORT CHESTER BY 805 PM EDT...
  PORT WASHINGTON AND MANHASSET BY 810 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

&&

LAT...LON 4056 7391 4056 7392 4063 7376 4064 7391
      4062 7389 4062 7388 4058 7398 4070 7399
      4081 7384 4071 7398 4071 7399 4088 7400
      4101 7392 4106 7369 4098 7364 4080 7384
      4091 7351 4077 7358 4059 7377

$$

MALOIT

Flash Flood Warnings in New York, 2011Flash Flood Warnings in New Jersey, 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.