Alert archive / New Jersey / Areal Flood Warnings in 2011

Areal Flood Warning 21, NWS New York, NY

June 24, 2011Bergen County, New Jersey

NWS New York, NY issued this areal flood warning at Jun 24, 2011, 10:51 AM EDT for Bergen County, New Jersey. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 24, 2011, 10:51 AM EDT (14:51 UTC)
Expired
Jun 24, 2011, 8:03 PM EDT
In force
9 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
None

County Bergen County, NJ

The radar

The Brookhaven radar (KOKX), 105 km from the middle of the area, began a volume at 14:49 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 2.9 hours before the alert went out and 105 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 2011-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2011-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
446 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
119 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.

956 
WGUS41 KOKX 241451
FLWOKX

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1051 AM EDT FRI JUN 24 2011

NJC003-241745-
/O.NEW.KOKX.FA.W.0021.110624T1451Z-110624T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERGEN NJ-
1051 AM EDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  BERGEN COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 145 PM EDT

* AT 1050 AM EDT...SOME RIVERS AND STREAMS WERE STILL IN FLOOD
  IN THE WARNED AREA. RESIDUAL URBAN AND POOR DRAINAGE FLOODING
  MAY STILL OCCUR ACROSS BERGEN COUNTY...WHERE HEAVY RAINFALL TOOK
  PLACE. 

* AT 1030 AM...THE HACKENSACK RIVER AT RIVERVALE WAS AT 6.5 FEET 
  AND HAD BEGUN TO RECEDE. THE RIVER SHOULD REMAIN ABOVE ITS FLOOD
  STAGE OF 5 FT THROUGH EARLY AFTERNOON.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLOOD WARNING MEANS 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 4112 7421 4100 7390 4096 7390 4080 7398
      4082 7403 4076 7411 4076 7413 4085 7412
      4086 7411 4089 7414 4096 7414 4098 7416
      4098 7423 4100 7427

$$

MPS
3 follow-up statements
890 
WGUS41 KOKX 241726
FLWOKX

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
126 PM EDT FRI JUN 24 2011

NJC003-242045-
/O.EXT.KOKX.FA.W.0021.000000T0000Z-110624T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERGEN NJ-
126 PM EDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  BERGEN COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 445 PM EDT

* AT 126 PM EDT...SOME RIVERS AND STREAMS WERE STILL IN FLOOD IN 
  THE WARNED AREA. RESIDUAL URBAN AND POOR DRAINAGE FLOODING MAY 
  STILL OCCUR ACROSS BERGEN COUNTY...WHERE HEAVY RAINFALL TOOK
  PLACE.

* AT 115 PM...THE HACKENSACK RIVER AT RIVERVALE WAS AT 6.1 FEET
  AND CONTINUES TO RECEDE. THE RIVER WILL GRADUALLY FALL BELOW FLOOD 
  STAGE LATER THIS AFTERNOON. 

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLOOD WARNING MEANS 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 4112 7421 4100 7390 4096 7390 4080 7398
      4082 7403 4076 7411 4076 7413 4085 7412
      4086 7411 4089 7414 4096 7414 4098 7416
      4098 7423 4100 7427

$$

MPS
339 
WGUS41 KOKX 242044
FLWOKX

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
444 PM EDT FRI JUN 24 2011

NJC003-250045-
/O.EXT.KOKX.FA.W.0021.000000T0000Z-110625T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERGEN NJ-
444 PM EDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  BERGEN COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 845 PM EDT

* AT 415 PM EDT...THE STAGE AT HACKENSACK RIVER AT RIVERVALE WAS     
  5.58 FT. WITH THE CURRENT TREND...THE RIVER STAGE SHOULD FALL      
  BELOW FLOOD STAGE BY AROUND OR AFTER 8 PM. HOWEVER...IF SHOWERS OR 
  THUNDERSTORMS DEVELOP AND MOVE ACROSS THIS AREA WITH HEAVY         
  DOWNPOURS...FLOODING WOULD GET PROLONGED.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 FLOOD WARNING MEANS 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 4112 7421 4100 7390 4096 7390 4080 7398
      4082 7403 4076 7411 4076 7413 4085 7412
      4086 7411 4089 7414 4096 7414 4098 7416
      4098 7423 4100 7427

$$

JM
557 
WGUS81 KOKX 250003
FLSOKX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
803 PM EDT FRI JUN 24 2011

NJC003-250008-
/O.CAN.KOKX.FA.W.0021.000000T0000Z-110625T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERGEN NJ-
803 PM EDT FRI JUN 24 2011

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN BERGEN COUNTY...

THE STAGE AT HACKENSACK RIVER AT RIVERVALE HAS FALLEN BELOW FLOOD 
STAGE AND CONTINUES ON A LOWERING TREND.

THERE WILL STILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS 
TONIGHT...WHICH MAY CAUSE RIVER STAGE RISES AGAIN. STAY TUNED TO THE 
LATEST FORECASTS BY LISTENING TO NOAA ALL HAZARDS WEATHER RADIO.


LAT...LON 4112 7421 4100 7390 4096 7390 4080 7398
      4082 7403 4076 7411 4076 7413 4085 7412
      4086 7411 4089 7414 4096 7414 4098 7416
      4098 7423 4100 7427

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 1:36 AM EDTAreal Flood AdvisoryOKXEssex, Hudson, Union3 hr

Nearby

Areal Flood Warnings in New Jersey, 2011Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.