Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 37, NWS Philadelphia/Mount Holly

September 27, 20114 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood statement at Sep 27, 2011, 11:53 PM EDT for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 27, 2011, 11:53 PM EDT (03:53 UTC)
Expired
Sep 28, 2011, 4:00 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 03:57 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.9 hours before the alert went out and 207 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, Wallops Is Stn, VA at 00:00Z on 2011-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 498 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, Wallops Is Stn, VA at 00:00Z on 2011-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
498 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
35 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.

856 
WHUS41 KPHI 280353
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1153 PM EDT TUE SEP 27 2011


DEZ001-NJZ016>019-PAZ070-071-280800-
/O.NEW.KPHI.CF.S.0037.110928T0353Z-110928T0800Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
1153 PM EDT TUE SEP 27 2011

* LOCATION...LOWER DELAWARE RIVER FROM THE THE VICINITY OF
  PHILADELPHIA INTO THE UPPER PART OF DELAWARE BAY

* COASTAL FLOODING...TIDAL FLOODING IS POSSIBLE ALONG PARTS OF THE
  DELAWARE RIVER FROM NOW THROUGH ABOUT 330 AM AS TIDES RISE TO
  AROUND THE BEGINNING OF MINOR TIDAL FLOODING THRESHOLD.

* TIMING...FOR THOSE AREAS LINKED CLOSER TO THE REEDY POINT
  STAGE...TIDES WILL BE AT THE MINOR THRESHOLD THROUGH ABOUT 1 AM.
  FURTHER NORTH IN THE PHILADELPHIA AREA INCLUDING MARCUS HOOK TO
  TRENTON REGION...THE TIDE WILL RISE TO THE MINOR THRESHOLD FOR
  FLOODING BETWEEN 1 AM AND 330 AM.

* IMPACTS...MINOR SPILLAGE ONTO ADJACENT ROADS AND PARKING
  LOTS...AT WORST. 

$$

DRAG
1 follow-up statement
908 
WHUS41 KPHI 280810
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
410 AM EDT WED SEP 28 2011


DEZ001-NJZ016>019-PAZ070-071-280915-
/O.EXP.KPHI.CF.S.0037.000000T0000Z-110928T0800Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
410 AM EDT WED SEP 28 2011

* LOCATION...LOWER DELAWARE RIVER FROM THE THE VICINITY OF 
  PHILADELPHIA INTO THE UPPER PART OF DELAWARE BAY 

* NO FURTHER COASTAL FLOOD RISK EXISTS PRIOR TO DAYBREAK. 
 
$$

DEZ002>004-NJZ012>014-020>027-281500-
/O.NEW.KPHI.CF.Y.0046.110928T1100Z-110928T1500Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
410 AM EDT WED SEP 28 2011

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM EDT THIS MORNING.

* LOCATION...COASTAL AREAS AROUND RARITAN BAY, BARNEGAT BAY, THE
  LOWER DELAWARE BAY AND THE OCEAN FRONT OF NEW JERSEY AND
  DELAWARE.

* COASTAL FLOODING...SPRING ASTRONOMICAL HIGH TIDES COMBINED WITH
  A CONSTANT ONSHORE FLOW WILL PRODUCE MINOR TIDAL FLOODING THIS
  MORNING.

* TIMING...THIS MORNINGS HIGH TIDE CYCLE GENERALLY OCCURS BETWEEN
  730 AM AND 1100 AM.

* IMPACTS...VULNERABLE ROADWAYS TO MINOR TIDAL FLOODING WILL BE
  FLOODED THIS MORNING. FLOODING IS ALSO POSSIBLE WITH THURSDAY
  MORNINGS HIGH TIDE CYCLE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS
ANTICIPATED. MINOR TIDAL FLOODING OFTEN RESULTS IN SOME ROADS
CLOSURES. USUALLY...THE MOST VULNERABLE ROADWAYS WILL FLOOD.

DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE
WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING
YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO
COSTLY REPAIR.

FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR
COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER
CASE).

&&

$$

DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 1:54 AM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Morris and 4 more51 min
Sep 28, 3:56 AM EDTFlash Flood WatchPHIHunterdon, Morris, Somerset, Sussex, Warren39 hr
Sep 28, 4:09 AM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Warren51 min
Sep 28, 4:10 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more7 hr
Sep 28, 4:49 AM EDTAreal Flood WarningPHIHunterdon, Morris, Warren7 hr
Sep 28, 5:45 AM EDTRiver Flood WarningPHIHunterdon, Somerset22 hr
Sep 28, 6:29 AM EDTFlash Flood WarningPHISussex, Warren7 hr
Sep 28, 9:17 AM EDTSpecial Weather StatementPHISussex58 min
Sep 28, 10:02 AM EDTCoastal Flood StatementPHIBurlington, Camden, Gloucester, Salem8 hr
Sep 28, 12:00 PM EDTAreal Flood WarningPHIHunterdon, Morris, Somerset, Warren6 hr
Sep 28, 3:29 PM EDTCoastal Flood StatementPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean9 hr
Sep 28, 5:58 PM EDTAreal Flood WarningPHIHunterdon, Morris, Somerset, Sussex, Warren26 hr
Sep 27, 8:16 PM EDTAreal Flood WarningPHICarbon, Monroe3 hr
Sep 28, 4:38 AM EDTAreal Flood WarningPHIBucks3 hr
Sep 28, 5:45 AM EDTSpecial Weather StatementPHIMontgomery60 min
Sep 28, 11:15 AM EDTSpecial Weather StatementPHIBerks60 min
Sep 28, 12:24 PM EDTSpecial Weather StatementPHILehigh51 min
Sep 28, 3:20 PM EDTSpecial Weather StatementPHIChester, Delaware, Montgomery55 min
Sep 28, 3:59 PM EDTSpecial Weather StatementPHIBerks, Chester, Delaware, Montgomery61 min
Sep 28, 4:21 PM EDTSpecial Weather StatementPHICarbon54 min
Sep 28, 4:33 PM EDTAreal Flood AdvisoryPHIBerks, Chester, Montgomery2 hr
Sep 28, 4:36 PM EDTFlash Flood WarningPHIBerks, Chester3 hr
Sep 28, 4:48 PM EDTSpecial Weather StatementPHINorthampton57 min
Sep 28, 4:59 PM EDTAreal Flood AdvisoryPHIBucks, Northampton3 hr
Sep 28, 5:02 PM EDTSpecial Weather StatementPHIBerks, Lehigh58 min
Sep 28, 5:12 PM EDTSpecial Weather StatementPHILehigh63 min
Sep 28, 5:29 PM EDTSpecial Weather StatementPHICarbon61 min
Sep 28, 5:32 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Northampton58 min
Sep 28, 5:42 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more3 hr
Sep 28, 6:31 PM EDTSpecial Weather StatementPHINorthampton59 min
Sep 28, 6:35 PM EDTAreal Flood WarningPHIBucks2 hr
Sep 28, 6:41 PM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton3 hr
Sep 28, 7:44 PM EDTAreal Flood WarningPHIChester3 hr
Sep 28, 8:30 AM EDTSpecial Weather StatementPHISussex2 hr
Sep 28, 9:10 AM EDTSpecial Weather StatementPHISussex35 min
Sep 28, 9:32 AM EDTAreal Flood AdvisoryPHIKent, Sussex3 hr
Sep 28, 10:05 AM EDTSpecial Weather StatementPHIKent40 min
Sep 28, 10:45 AM EDTSpecial Weather StatementPHIKent60 min
Sep 28, 1:31 PM EDTSpecial Weather StatementPHISussex59 min
Sep 28, 1:58 PM EDTSevere Thunderstorm WarningPHIKent62 min
Sep 28, 2:14 PM EDTAreal Flood AdvisoryPHIKent, Sussex2 hr
Sep 28, 2:41 PM EDTSpecial Weather StatementPHIKent64 min
Sep 28, 2:59 PM EDTSpecial Weather StatementPHINew Castle61 min
Sep 28, 3:54 PM EDTSpecial Weather StatementPHIKent, New Castle66 min

Nearby

Coastal Flood Statements in New Jersey, 2011Coastal Flood Statements in Pennsylvania, 2011Coastal Flood Statements in Delaware, 2011Every coastal flood statement 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.