Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 38, NWS Philadelphia/Mount Holly

September 28, 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 28, 2011, 10:02 AM EDT for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Sep 28, 2011, 10:02 AM EDT (14:02 UTC)
Expired
Sep 28, 2011, 6:00 PM EDT
In force
8 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 14:01 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, 2.0 hours before the alert went out and 86 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 2011-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 822 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 2011-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
822 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

633 
WHUS41 KPHI 281402
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1002 AM EDT WED SEP 28 2011

DEZ002>004-NJZ012>014-020>027-281515-
/O.CON.KPHI.CF.Y.0046.000000T0000Z-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-
1002 AM EDT WED SEP 28 2011

...COASTAL FLOOD ADVISORY REMAINS 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 IS PRODUCING MINOR TIDAL FLOODING.

* TIMING...UNTIL 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).

&&

$$

DEZ001-NJZ016>019-PAZ070-071-282200-
/O.NEW.KPHI.CF.S.0038.110928T1402Z-110928T2200Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
1002 AM EDT WED SEP 28 2011

* LOCATION...THE TIDAL DELAWARE RIVER.

* COASTAL FLOODING...MINOR TIDAL FLOODING POSSIBLE WITH THE
  UPCOMING HIGH TIDE. 

* TIMING...HIGH TIDE AT REEDY POINT IS AROUND NOON AND JUST BEFORE
  300 PM AT PHILADELPHIA. 

* IMPACTS...VULNERABLE ROADWAYS TO MINOR TIDAL FLOODING MAY BE
  FLOODED. FLOODING IS ALSO POSSIBLE WITH THURSDAY'S HIGH TIDE
  CYCLE.

$$
2 follow-up statements
258 
WHUS41 KPHI 281510
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1110 AM EDT WED SEP 28 2011

DEZ002>004-NJZ012>014-020>027-281615-
/O.EXP.KPHI.CF.Y.0046.000000T0000Z-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-
1110 AM EDT WED SEP 28 2011

...COASTAL FLOOD ADVISORY HAS EXPIRED...

MINOR TIDAL FLOODING OCCURRED EARLIER TODAY WITH HIGH TIDE. THE
TIDE HAS PASSED AND LEVELS WILL FALL THIS AFTERNOON. MORE TIDAL
FLOODING IS POSSIBLE THURSDAY MORNING. 

$$

DEZ001-NJZ016>019-PAZ070-071-282200-
/O.CON.KPHI.CF.S.0038.000000T0000Z-110928T2200Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
1110 AM EDT WED SEP 28 2011

* LOCATION...THE TIDAL DELAWARE RIVER.

* COASTAL FLOODING...MINOR TIDAL FLOODING POSSIBLE WITH THE 
  UPCOMING HIGH TIDE. 

* TIMING...HIGH TIDE AT REEDY POINT IS AROUND NOON AND JUST 
  BEFORE 300 PM AT PHILADELPHIA. 

* IMPACTS...VULNERABLE ROADWAYS TO MINOR TIDAL FLOODING MAY BE 
  FLOODED. FLOODING IS ALSO POSSIBLE WITH THURSDAY'S HIGH TIDE 
  CYCLE. 

$$
471 
WHUS41 KPHI 281929
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 PM EDT WED SEP 28 2011

DEZ002>004-NJZ013-014-020>027-282200-
/O.NEW.KPHI.CF.S.0039.110928T2300Z-110929T0400Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
329 PM EDT WED SEP 28 2011

* LOCATION...THE COASTAL AREAS OF DELAWARE AND NEW JERSEY
  INCLUDING THE BACK BAYS. THE LOWER DELAWARE BAY. 

* COASTAL FLOODING...THERE IS THE POSSIBILITY OF MINOR TIDAL
  FLOODING WITH THE NEXT TIDE CYCLE EARLY TONIGHT. 

* TIMING...HIGH TIDE AT SANDY HOOK NJ AND ATLANTIC CITY NJ IS
  AROUND 900 PM. THE BACK BAYS AND THE LOWER DELAWARE RIVER WILL
  BE CLOSER TO 1030 PM

* IMPACTS...VULNERABLE ROADWAYS TO MINOR TIDAL FLOODING MAY BE 
  FLOODED. FLOODING IS ALSO POSSIBLE WITH THURSDAY'S HIGH TIDE 
  CYCLE. 

$$

DEZ001-NJZ016>019-PAZ070-071-282200-
/O.CON.KPHI.CF.S.0038.000000T0000Z-110928T2200Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
329 PM EDT WED SEP 28 2011

* LOCATION...THE TIDAL DELAWARE RIVER.

* COASTAL FLOODING...MINOR TIDAL FLOODING OCCURRING WITH THE
  PRESENT HIGH TIDE.

* TIMING...HIGH TIDE IS OCCURRING AT PHILADELPHIA NOW...WITH
  MINOR TIDAL FLOODING OCCURRING. THE TIDAL FLOODING WILL TAKE FEW
  MORE HOURS TO REACH FURTHER UP THE RIVER INTO BURLINGTON NJ AND
  NEWBOLD PA.

* IMPACTS...VULNERABLE ROADWAYS TO MINOR TIDAL FLOODING MAY BE 
  FLOODED. FLOODING IS ALSO POSSIBLE WITH THURSDAY'S HIGH TIDE 
  CYCLE. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 11:53 PM EDTCoastal Flood StatementPHIBurlington, Camden, Gloucester, Salem4 hr
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, 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.