Alert archive / New Jersey / Coastal Flood Statements in 2012

Coastal Flood Statement 25, NWS Philadelphia/Mount Holly

August 2, 20128 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood statement at Aug 2, 2012, 11:34 AM EDT for 8 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It took effect at Aug 2, 2012, 8:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2012, 11:34 AM EDT (15:34 UTC)
In effect from
Aug 2, 2012, 8:00 PM EDT
Expired
Aug 3, 2012, 2:00 AM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 15:31 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 3.6 hours before the alert went out and 103 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1377 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
1377 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
78 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.

362 
WHUS41 KPHI 021534
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1134 AM EDT THU AUG 2 2012
 
DEZ003-004-NJZ012>014-020-022>027-030400-
/O.NEW.KPHI.CF.S.0025.120803T0000Z-120803T0400Z/
INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
1134 AM EDT THU AUG 2 2012

...POCKETS OF MINOR TIDAL FLOODING TONIGHT...
 
* LOCATION...LOWER DELAWARE BAY...RARITAN BAY AND THE NEW JERSEY
  AND DELAWARE OCEAN FRONTS AND BACK BAYS AND INLETS.

* COASTAL FLOODING...POCKETS OF LOW END MINOR TIDAL FLOODING.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONTS
  AND RARITAN BAY OCCURS APPROXIMATELY BETWEEN 830 PM AND 930 PM
  AND WILL OCCUR LATER IN THE EVENING IN THE BACK BAYS AND INTO
  LOWER DELAWARE BAY.

* SEAS...1 TO 3 FEET...HIGHEST ON THE OCEAN. 

* IMPACTS...MOST VULNERABLE ROADWAYS AND LOCATIONS MIGHT HAVE
  MINOR TIDAL FLOODING THIS EVENING. IMPACT SHOULD BE NO WORSE
  THAN WHAT OCCURRED THE TWO PREVIOUS EVENINGS HIGH TIDE CYCLE. 
  

$$

DEZ001-002-NJZ016-021-022345-
/O.NEW.KPHI.CF.S.0025.120803T0200Z-120803T0600Z/
NEW CASTLE-KENT-SALEM-CUMBERLAND-
1133 AM EDT THU AUG 2 2012

...POCKETS OF MINOR TIDAL FLOODING TONIGHT...

* LOCATION...UPPER DELAWARE BAY...THE LOWER DELAWARE RIVER AND
  TIDAL SECTIONS OF ITS TRIBUTARIES.  

* COASTAL FLOODING...POCKETS OF LOW END MINOR TIDAL FLOODING.

* TIMING...HIGH TIDE WILL WORK ITS WAY ALONG UPPER DELAWARE BAY
  FROM SHORTLY AFTER 10 PM UNTIL SHORTLY AFTER MIDNIGHT FRIDAY ON
  THE LOWER DELAWARE RIVER. 

* SEAS...1 TO 2 FEET.

* IMPACTS...MOST VULNERABLE ROADWAYS AND LOCATIONS MIGHT HAVE
  MINOR TIDAL FLOODING THIS EVENING. IMPACT SHOULD BE NO WORSE
  THAN WHAT OCCURRED THE TWO PREVIOUS EVENINGS HIGH TIDE CYCLE. 
 
$$
1 follow-up statement
378 
WHUS41 KPHI 022114
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
514 PM EDT THU AUG 2 2012

DEZ003-004-NJZ012>014-020-022>027-030400-
/O.CON.KPHI.CF.S.0025.120803T0000Z-120803T0400Z/
INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
514 PM EDT THU AUG 2 2012

...POCKETS OF MINOR TIDAL FLOODING TONIGHT...
 
* LOCATION...LOWER DELAWARE BAY...RARITAN BAY AND THE NEW JERSEY
  AND DELAWARE OCEAN FRONTS AND BACK BAYS AND INLETS.

* COASTAL FLOODING...POCKETS OF LOW END MINOR TIDAL FLOODING.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONTS
  AND RARITAN BAY OCCURS APPROXIMATELY BETWEEN 830 PM AND 930 PM
  AND WILL OCCUR LATER IN THE EVENING IN THE BACK BAYS AND INTO
  LOWER DELAWARE BAY.

* SEAS...1 TO 3 FEET...HIGHEST ON THE OCEAN.

* IMPACTS...MOST VULNERABLE ROADWAYS AND LOCATIONS MIGHT HAVE
  MINOR TIDAL FLOODING THIS EVENING. IMPACT SHOULD BE NO WORSE
  THAN WHAT OCCURRED THE TWO PREVIOUS EVENINGS HIGH TIDE CYCLE.

$$

DEZ001-002-NJZ016-021-030600-
/O.CON.KPHI.CF.S.0025.120803T0200Z-120803T0600Z/
NEW CASTLE-KENT-SALEM-CUMBERLAND-
514 PM EDT THU AUG 2 2012

...POCKETS OF MINOR TIDAL FLOODING TONIGHT...

* LOCATION...UPPER DELAWARE BAY...THE LOWER DELAWARE RIVER AND
  TIDAL SECTIONS OF ITS TRIBUTARIES.

* COASTAL FLOODING...POCKETS OF LOW END MINOR TIDAL FLOODING.

* TIMING...HIGH TIDE WILL WORK ITS WAY ALONG UPPER DELAWARE BAY
  FROM SHORTLY AFTER 10 PM UNTIL SHORTLY AFTER MIDNIGHT FRIDAY ON
  THE LOWER DELAWARE RIVER.

* SEAS...1 TO 2 FEET.

* IMPACTS...MOST VULNERABLE ROADWAYS AND LOCATIONS MIGHT HAVE
  MINOR TIDAL FLOODING THIS EVENING. IMPACT SHOULD BE NO WORSE
  THAN WHAT OCCURRED THE TWO PREVIOUS EVENINGS HIGH TIDE CYCLE.

$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 2:58 PM EDTHeat AdvisoryPHIBurlington, Camden, Gloucester, Mercer28 hr
Aug 2, 2:56 PM EDTAreal Flood AdvisoryPHISussex108 min
Aug 2, 4:01 PM EDTSpecial Weather StatementPHISussex59 min
Aug 2, 4:16 PM EDTAreal Flood AdvisoryPHISussex103 min
Aug 2, 4:33 PM EDTSpecial Weather StatementPHIKent57 min
Aug 2, 5:02 PM EDTAreal Flood AdvisoryPHIKent, Sussex3 hr
Aug 2, 5:22 PM EDTSpecial Weather StatementPHIKent53 min
Aug 2, 7:01 PM EDTSpecial Weather StatementPHISussex59 min

Nearby

Coastal Flood Statements in New Jersey, 2012Coastal Flood Statements in Delaware, 2012Every coastal flood statement in 2012

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.