Alert archive / New York / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS New York, NY

July 1, 20134 counties in New Jersey; 6 counties in New York

NWS New York, NY issued this flash flood warning at Jul 1, 2013, 10:03 AM EDT for 4 counties in New Jersey; 6 counties in New York. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 1, 2013, 10:03 AM EDT (14:03 UTC)
Expired
Jul 1, 2013, 4:18 PM EDT
In force
6 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
None

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

The radar

The Brookhaven radar (KOKX), 89 km from the middle of the area, began a volume at 14:06 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.

What was reported inside it

TimeReportWhereRemark
Jul 1, 10:20 AM EDTFLASH FLOODRahway, NJINMAN AVENUE AND NEW BRUNSWICK AVENUE CLOSED DUE TO FLOODING.
Jul 1, 10:55 AM EDTFLASH FLOODWhite Plains, NYBRONX RIVER PARKWAY BETWEEN CHATTERTON AVE AND EXIT 21 CLOSED DUE TO FLOODING.
Jul 1, 11:53 AM EDTFLASH FLOODNewark, NJI-280 AT CLIFTON AVE... EXIT RAMP CLOSED DUE TO FLOODING
Jul 1, 1:28 PM EDTFLASH FLOODHawthorne, NYSAW MILL RIVER PARKWAY BETWEEN TACONIC PARKWAY AND MANVILLE ROAD CLOSED DUE TO FLOODING.
Jul 1, 3:20 PM EDTFLASH FLOODWhite Plains, NYBRONX RIVER PARKWAY BETWEEN MAIN STREET AND CHATTERTON AVENUE.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 2.1 hours before the alert went out and 89 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2013-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2013-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
687 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
438 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

162 
WGUS51 KOKX 011403
FFWOKX
NJC003-013-017-039-NYC005-047-061-081-085-119-011700-
/O.NEW.KOKX.FF.W.0021.130701T1403Z-130701T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1003 AM EDT MON JUL 1 2013

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

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

* UNTIL 100 PM EDT...

* AT 958 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4060 7422 4059 7443 4100 7389 4115 7389
      4132 7396 4136 7355 4116 7360 4110 7372
      4098 7365 4090 7375 4084 7376 4084 7381
      4080 7377 4055 7394 4057 7394 4056 7401
      4061 7405 4052 7413 4049 7424

$$
4 follow-up statements
054 
WGUS51 KOKX 011656
FFWOKX
NJC003-013-017-039-NYC005-047-061-081-085-119-011900-
/O.EXT.KOKX.FF.W.0021.000000T0000Z-130701T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1256 PM EDT MON JUL 1 2013

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE

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

* UNTIL 300 PM EDT...

* AT 1254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN MOVING ACROSS THE WARNED AREA. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4060 7422 4059 7443 4100 7389 4115 7389
      4132 7396 4136 7355 4116 7360 4110 7372
      4098 7365 4090 7375 4084 7376 4084 7381
      4080 7377 4055 7394 4057 7394 4056 7401
      4061 7405 4052 7413 4049 7424

$$
382 
WGUS71 KOKX 011832
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
232 PM EDT MON JUL 1 2013

NYC005-047-061-081-085-011841-
/O.CAN.KOKX.FF.W.0021.000000T0000Z-130701T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KINGS (BROOKLYN) NY-RICHMOND (STATEN ISLAND) NY-BRONX NY-
NEW YORK (MANHATTAN) NY-QUEENS NY-
232 PM EDT MON JUL 1 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR QUEENS...NEW YORK
(MANHATTAN)...BRONX...RICHMOND (STATEN ISLAND) AND KINGS (BROOKLYN)
COUNTIES...

THE HEAVY RAIN HAS MOVED OUTSIDE OF THE AREA...THEREFORE THE FLASH 
FLOOD WARNING HAS BEEN CANCELLED. PLEASE CONTINUE TO EXERCISE 
CAUTION WHEN TRAVELING.

LAT...LON 4100 7389 4115 7389 4132 7396 4136 7355
      4116 7360 4110 7372 4098 7365 4090 7376
      4092 7392 4065 7411 4065 7419 4060 7422
      4060 7441

$$

NJC003-013-017-039-NYC119-011900-
/O.CON.KOKX.FF.W.0021.000000T0000Z-130701T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-ESSEX NJ-BERGEN NJ-WESTCHESTER NY-UNION NJ-
232 PM EDT MON JUL 1 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
EASTERN UNION...WESTCHESTER...SOUTHEASTERN BERGEN...SOUTHEASTERN
ESSEX AND HUDSON COUNTIES...

AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAIN PRODUCING FLASH FLOODING OVER THE WARNED AREA.

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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4100 7389 4115 7389 4132 7396 4136 7355
      4116 7360 4110 7372 4098 7365 4090 7376
      4092 7392 4065 7411 4065 7419 4060 7422
      4060 7441

$$
650 
WGUS51 KOKX 011851
FFWOKX
NJC003-013-017-039-NYC119-012100-
/O.EXT.KOKX.FF.W.0021.000000T0000Z-130701T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
251 PM EDT MON JUL 1 2013

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  EASTERN UNION COUNTY IN NORTHEAST NEW JERSEY...
  WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
  SOUTHEASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
  SOUTHEASTERN ESSEX COUNTY IN NORTHEAST NEW JERSEY...
  HUDSON COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 500 PM EDT...

* AT 248 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN MOVING ACROSS THE WARNED AREA. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4100 7389 4115 7389 4132 7396 4136 7355
      4116 7360 4110 7372 4098 7365 4090 7376
      4092 7392 4065 7411 4065 7419 4060 7422
      4060 7441

$$
375 
WGUS71 KOKX 012018
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
418 PM EDT MON JUL 1 2013

NJC003-013-017-039-NYC119-012027-
/O.CAN.KOKX.FF.W.0021.000000T0000Z-130701T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-ESSEX NJ-BERGEN NJ-WESTCHESTER NY-UNION NJ-
418 PM EDT MON JUL 1 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN UNION...
WESTCHESTER...SOUTHEASTERN BERGEN...SOUTHEASTERN ESSEX AND HUDSON
COUNTIES...

THE HEAVY RAINFALL THAT CAUSE FLASH FLOODING AND SMALL STREAM 
FLOODING EARLIER THIS MORNING HAS MOVED OUT OF THE AREA. THEREFORE 
THE FLASH FLOOD WARNING WILL BE CANCELLED. THERE WERE STILL REPORTS 
OF MINOR FLOODING ACROSS THE AREA AND ROAD CLOSURES DUE TO 
FLOODING...
PLEASE CONTINUE TO EXERCISE CAUTION WHEN TRAVELING.

LAT...LON 4100 7389 4115 7389 4132 7396 4136 7355
      4116 7360 4110 7372 4098 7365 4090 7376
      4092 7392 4065 7411 4065 7419 4060 7422
      4060 7441

$$

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 8:56 PM EDTAreal Flood AdvisoryOKXPassaic94 min
Jul 1, 4:34 AM EDTFlash Flood WatchOKXBergen, Essex, Hudson, Passaic, Union41 hr
Jul 1, 5:30 AM EDTAreal Flood AdvisoryOKXPassaic60 min
Jul 1, 8:35 AM EDTFlash Flood WarningOKXBergen, Essex, Passaic, Union6 hr
Jul 1, 9:05 AM EDTSpecial Weather StatementOKXEssex, Union40 min
Jul 1, 9:14 AM EDTTornado WarningOKXEssex, Union31 min
Jul 1, 10:00 AM EDTSevere Thunderstorm WarningOKXBergen30 min
Jul 1, 5:52 AM EDTFlash Flood WarningOKXOrange4 hr
Jul 1, 6:06 AM EDTMarine Dense Fog AdvisoryOKX30 hr
Jul 1, 7:07 AM EDTAreal Flood AdvisoryOKXOrange83 min
Jul 1, 9:47 AM EDTAreal Flood AdvisoryOKXOrange118 min
Jul 1, 10:00 AM EDTFlash Flood WarningOKXOrange, Putnam2 hr
Jul 1, 11:47 AM EDTAreal Flood AdvisoryOKXKings, Nassau, Queens118 min
Jul 1, 12:26 PM EDTAreal Flood AdvisoryOKXSuffolk2 hr
Jul 1, 12:34 PM EDTAreal Flood AdvisoryOKXWestchester116 min
Jul 1, 1:35 PM EDTAreal Flood AdvisoryOKXOrange115 min
Jul 1, 4:30 PM EDTAreal Flood AdvisoryOKXOrange2 hr

Nearby

Flash Flood Warnings in New York, 2013Flash Flood Warnings in New Jersey, 2013Every flash flood warning in 2013

Sources

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.