Alert archive / New Jersey / Areal Flood Warnings in 2011

Areal Flood Warning 50, NWS Philadelphia/Mount Holly

August 22, 2011Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Aug 22, 2011, 9:29 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 14 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
Aug 22, 2011, 9:29 PM EDT (01:29 UTC)
Expired
Aug 23, 2011, 11:19 AM EDT
In force
14 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 01:26 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 00:00Z, 1.5 hours before the alert went out and 143 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 00:00Z on 2011-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 00:00Z on 2011-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1696 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
7 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.

312 
WGUS41 KPHI 230129
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
929 PM EDT MON AUG 22 2011

NJC025-029-230530-
/O.NEW.KPHI.FA.W.0050.110823T0129Z-110823T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
929 PM EDT MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR...
  SOUTH CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 130 AM EDT

* AT 927 PM EDT...THE RIVER GAGE ON THE NORTH BRANCH OF THE 
METEDECONK RIVER AT LAKEWOOD WAS 7.35 FEET. FLOOD STAGE IS 7 FEET. 
THE RIVER APPEARS TO BE CRESTING...AND MINOR FLOODING IS EXPECTED 
INTO EARLY TUESDAY MORNING.

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...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

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 4015 7428 4014 7411 4004 7412 4004 7431

$$

HAYES
4 follow-up statements
133 
WGUS41 KPHI 230522
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
122 AM EDT TUE AUG 23 2011

NJC025-029-231130-
/O.EXT.KPHI.FA.W.0050.000000T0000Z-110823T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
122 AM EDT TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR...
  SOUTH CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 730 AM EDT

* AT 120 AM EDT...THE RIVER GAGE ON THE NORTH BRANCH OF THE 
METEDECONK RIVER AT LAKEWOOD WAS 7.4 FEET. FLOOD STAGE IS 7 FEET. 
THE RIVER LEVEL IS FALLING...AND THE RIVER LEVEL IS EXPECTED TO FALL 
BELOW FLOOD STAGE LATE THIS MORNING. IN THE MEANTIME...MINOR 
FLOODING IS EXPECTED.

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...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

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 4015 7428 4014 7411 4004 7412 4004 7431

$$

HAYES
130 
WGUS41 KPHI 230905
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
505 AM EDT TUE AUG 23 2011

NJC025-029-231730-
/O.EXT.KPHI.FA.W.0050.000000T0000Z-110823T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
505 AM EDT TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR...
  SOUTH CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 130 PM EDT TUESDAY

* AT 502 AM EDT...THE RIVER GAGE ON THE NORTH BRANCH OF THE 
METEDECONK RIVER AT LAKEWOOD WAS 7.2 FEET. FLOOD STAGE IS 7.0 FEET. 
THE RIVER LEVEL CONTINUES TO SLOWLY FALL EARLY THIS MORNING...AND 
COULD FALL BELOW FLOOD STAGE LATER THIS MORNING OR EARLY THIS 
AFTERNOON. 

IN THE MEANTIME...MINOR FLOODING IS EXPECTED.

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...

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 4015 7428 4014 7411 4004 7412 4004 7431

$$

HAYES
441 
WGUS81 KPHI 231250
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
850 AM EDT TUE AUG 23 2011

NJC025-029-231730-
/O.CON.KPHI.FA.W.0050.000000T0000Z-110823T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
850 AM EDT TUE AUG 23 2011

...THE FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM EDT FOR NORTH
CENTRAL OCEAN AND SOUTH CENTRAL MONMOUTH COUNTIES...

AT 815 AM EDT THE NORTH BRANCH OF THE METEDECONK RIVER AT LAKEWOOD 
WAS RECEDING SLOWLY AND VERY CLOSE TO THE 7 FOOT FLOOD STAGE. THE 
STAGE READING WAS 7.03 FEET. 

IT SHOULD FALL BELOW FLOOD STAGE BY 1030 AM AT WHICH TIME THIS 
WARNING IS LIKELY TO BE CANCELLED.

A FLOOD WARNING MEANS THAT FLOODING HAS BEEN REPORTED. 

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. 

&&

LAT...LON 4015 7428 4014 7411 4004 7412 4004 7431

$$


DRAG
937 
WGUS81 KPHI 231519
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1119 AM EDT TUE AUG 23 2011

NJC025-029-231526-
/O.CAN.KPHI.FA.W.0050.000000T0000Z-110823T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
1119 AM EDT TUE AUG 23 2011

...THE FLOOD WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL OCEAN AND 
SOUTH CENTRAL MONMOUTH COUNTIES... THE NORTH BRANCH OF THE 
METEDECONK RIVER AT LAKEWOOD HAS CONTINUED RECEDING AND FELL BELOW 
STAGE AT 1030 AM. AS A RESULT THE FLOOD WARNING HAS BEEN CANCELLED.  

LAT...LON 4015 7428 4014 7411 4004 7412 4004 7431

$$
GAINES

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.