Flash Flood Warning 17, NWS New York, NY

Issued

Aug 1, 2011, 6:18 PM EDT (22:18 UTC)

Expired

Aug 1, 2011, 8:00 PM EDT

In force

102 min

Issued by

NWS New York, NY

Area

Storm-based polygon

Flood severity

None

Counties Rockland County, NY, Westchester County, NY

The Brookhaven radar (KOKX), 91 km from the middle of the area, began a volume at 22:19 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.

545 
WGUS51 KOKX 012218
FFWOKX
NYC087-119-020015-
/O.NEW.KOKX.FF.W.0017.110801T2218Z-110802T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE UPTON NY
ISSUED BY NATIONAL WEATHER SERVICE TAUNTON MA
618 PM EDT MON AUG 1 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
  THIS INCLUDES THE CITIES OF...NYACK...NEW CITY...HAVERSTRAW...
  CENTRAL WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
  THIS INCLUDES THE CITY OF MOUNT KISCO...

* UNTIL 815 PM EDT

* AT 612 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A THUNDERSTORM CAPABLE OF PRODUCING URBAN FLASH FLOODING CROSSING
  THROUGH THE WARNED AREA. RAINFALL RATES OF 2 TO 3 INCHES PER HOUR 
  ARE POSSIBLE WITH THIS STORM. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STONY
  POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT RAPID FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING NEAR STREAMS AND CREEKS SHOULD HEAD TO
HIGHER GROUND AT ONCE! DO NOT ATTEMPT TO CROSS FLOODED AREAS BY FOOT
OR IN YOUR VEHICLE.

&&

LAT...LON 4107 7390 4122 7410 4125 7385 4116 7361
      4116 7390

$$

NMB

970 
WGUS71 KOKX 020000
FFSOKX

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

NYC087-119-020010-
/O.CAN.KOKX.FF.W.0017.000000T0000Z-110802T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKLAND NY-WESTCHESTER NY-
800 PM EDT MON AUG 1 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTCHESTER AND
ROCKLAND COUNTIES...

HEAVY RAINFALL IS NO LONGER EXPECTED. THE FLASH FLOOD 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 4107 7390 4122 7410 4125 7385 4116 7361
      4116 7390

$$

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.