Alert archive / New Jersey / Flash Flood Warnings in 2011

Flash Flood Warning 4, NWS New York, NY

June 17, 20114 counties in New Jersey

NWS New York, NY issued this flash flood warning at Jun 17, 2011, 4:58 PM EDT for 4 counties in New Jersey. It was in force for 4 hr. 2 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
Jun 17, 2011, 4:58 PM EDT (20:58 UTC)
Expired
Jun 17, 2011, 9:00 PM EDT
In force
4 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
None

Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ

The radar

The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 20:59 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
Jun 17, 5:49 PM EDTFLASH FLOODBloomfield, NJTWO LANES BLOCKED DUE TO FLOODING NORTHBOUND ON GARDEN STATE PARKWAY AT EXIT 149
Jun 17, 5:55 PM EDTFLASH FLOODSaddle Brook, NJROADWAY IMPASSABLE AT FIFTH STREET AND VICTOR STREET

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, 9.0 hours before the alert went out and 112 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 2011-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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 2011-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 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
307 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
310 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

811 
WGUS51 KOKX 172058
FFWOKX
NJC003-013-017-031-172300-
/O.NEW.KOKX.FF.W.0004.110617T2058Z-110617T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
458 PM EDT FRI JUN 17 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
  ESSEX COUNTY IN NORTHEAST NEW JERSEY...
  BERGEN COUNTY IN NORTHEAST NEW JERSEY...  
  HUDSON COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 700 PM EDT...

* AT 454 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LARGE CLUSTER OF THUNDERSTORMS OVER THE WARNED AREA THAT IS
  PRODUCING FLASH FLOODING. THESE STORMS DRIFTING EAST.

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.

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 4090 7430 4090 7428 4092 7429 4098 7422
      4101 7391 4100 7390 4071 7402 4069 7422
      4074 7437 4076 7438

$$

JST
4 follow-up statements
212 
WGUS71 KOKX 172134
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
534 PM EDT FRI JUN 17 2011

NJC003-013-017-031-172300-
/O.CON.KOKX.FF.W.0004.000000T0000Z-110617T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-BERGEN NJ-ESSEX NJ-PASSAIC NJ-
534 PM EDT FRI JUN 17 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
PASSAIC...ESSEX...SOUTHERN BERGEN AND HUDSON COUNTIES...

AT 526 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORMS PRODUCING FLASH FLOODING MOVING NORTHEAST 
AT 10 MPH.

THE HEAVIEST RAINFALL OF UP TO 2 INCHES IN THE PAST HOUR HAS 
OCCURRED IN THE CALDWELL...VERONA...MONTCLAIR AREA OF NORTHERN ESSEX 
COUNTY. THE PECKMAN RIVER IN VERONA IS CURRENTLY A FOOT ABOVE ITS 
FLOOD STAGE. 

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.

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.

&&

LAT...LON 4090 7430 4090 7428 4092 7429 4098 7422
      4101 7391 4100 7390 4071 7402 4069 7422
      4074 7437 4076 7438

$$

JST
590 
WGUS71 KOKX 172219
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
619 PM EDT FRI JUN 17 2011

NJC003-013-017-031-172300-
/O.CON.KOKX.FF.W.0004.000000T0000Z-110617T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-BERGEN NJ-ESSEX NJ-PASSAIC NJ-
619 PM EDT FRI JUN 17 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
PASSAIC...ESSEX...SOUTHERN BERGEN AND HUDSON COUNTIES...

AT 610 PM EDT...THUNDERSTORMS WERE STARTING TO MOVE EAST WITH THE 
HEAVIEST RAIN NOW HAVING ENDED OVER CALDWELL. RAINFALL TOTALS IN THE 
FLOOD AREA ARE NEARING THE 3 INCH MARK AND IT WILL TAKE THE REST OF 
THE NIGHT FOR THESE FLOOD WATERS TO RECEDE. 

THE PECKMAN RIVER AT LITTLE FALLS AND VERONA...AS WELL AS THE THIRD 
RIVER AT BLOOMFIELD ARE ABOVE FLOOD STAGE.  

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

&&

LAT...LON 4090 7430 4090 7428 4092 7429 4098 7422
      4101 7391 4100 7390 4071 7402 4069 7422
      4074 7437 4076 7438

$$

JST
166 
WGUS51 KOKX 172258
FFWOKX
NJC003-013-017-031-180100-
/O.EXT.KOKX.FF.W.0004.000000T0000Z-110618T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
658 PM EDT FRI JUN 17 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
  ESSEX COUNTY IN NORTHEAST NEW JERSEY...
  SOUTHERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
  HUDSON COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 900 PM EDT...

* AT 650 PM EDT...THE RAIN HAS ENDED ACROSS THE REGION...BUT RUNOFF 
WILL CONTINUE FOR AT LEAST THE NEXT TWO HOURS. AN ISOLATED 
THUNDERSTORM OVER WESTERN NEW JERSEY MAY AFFECT THE REGION BETWEEN 8 
AND 9 PM.  

THE PECKMAN RIVER AT VERONA AND THE THIRD RIVER AT BLOOMFIELD REMAIN 
ABOVE FLOOD STAGE. 

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

&&

LAT...LON 4090 7430 4090 7428 4092 7429 4098 7422
      4101 7391 4100 7390 4071 7402 4069 7422
      4074 7437 4076 7438

$$

JST
425 
WGUS71 KOKX 180108
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
908 PM EDT FRI JUN 17 2011

NJC003-013-017-031-180117-
/O.EXP.KOKX.FF.W.0004.000000T0000Z-110618T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-BERGEN NJ-ESSEX NJ-PASSAIC NJ-
908 PM EDT FRI JUN 17 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR PASSAIC...ESSEX...SOUTHERN
BERGEN AND HUDSON COUNTIES...

WATER LEVELS IN POOR DRAINAGE AREAS AS WELL AS SMALL STREAMS WILL 
CONTINUE TO SUBSIDE.

LAT...LON 4090 7430 4090 7428 4092 7429 4098 7422
      4101 7391 4100 7390 4071 7402 4069 7422
      4074 7437 4076 7438

$$

DSW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 3:02 AM EDTSpecial Weather StatementOKXEssex, Hudson, Union58 min
Jun 17, 3:41 AM EDTSpecial Weather StatementOKXBergen, Essex, Hudson, Union64 min
Jun 17, 5:15 AM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union2 hr
Jun 17, 1:27 PM EDTAreal Flood AdvisoryOKXBergen, Passaic78 min
Jun 17, 2:09 PM EDTSpecial Weather StatementOKXEssex, Hudson, Union66 min
Jun 17, 2:46 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union89 min
Jun 17, 3:06 PM EDTSpecial Weather StatementOKXPassaic54 min
Jun 17, 3:11 PM EDTSevere Thunderstorm WarningOKXHudson49 min
Jun 17, 3:34 PM EDTAreal Flood AdvisoryOKXBergen, Passaic86 min
Jun 17, 4:00 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union90 min
Jun 17, 4:07 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Passaic38 min
Jun 17, 4:41 PM EDTSpecial Weather StatementOKXEssex, Hudson, Union49 min
Jun 17, 4:51 PM EDTSpecial Weather StatementOKXBergen, Essex54 min
Jun 17, 5:30 PM EDTSpecial Weather StatementOKXBergen, Essex, Union60 min

Nearby

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

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.