Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 44, NWS Philadelphia/Mount Holly

October 12, 20114 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 12, 2011, 11:57 AM 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
Oct 12, 2011, 11:57 AM EDT (15:57 UTC)
Expired
Oct 12, 2011, 4:00 PM 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 15:59 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, 4.0 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 2011-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 2011-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
262 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.

682 
WHUS41 KPHI 121557
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1157 AM EDT WED OCT 12 2011

DEZ002>004-NJZ012>014-020>027-121700-
/O.EXP.KPHI.CF.Y.0054.000000T0000Z-111012T1600Z/
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-
1157 AM EDT WED OCT 12 2011

...COASTAL FLOOD ADVISORY WILL EXPIRE AT NOON EDT TODAY...

MINOR TIDAL FLOODING HAD OCCURRED OVER THE AREA AND WAS ENDING
LATE THIS MORNING. 

$$

DEZ001-NJZ016>019-PAZ070-071-122000-
/O.NEW.KPHI.CF.S.0044.111012T1600Z-111012T2000Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
1157 AM EDT WED OCT 12 2011

* LOCATION...ALONG THE TIDAL DELAWARE RIVER AND ITS TIDAL
  TRIBUTARIES.

* COASTAL FLOODING...SPOTTY AND MINOR. 

* TIMING...FROM NOON TO 4 PM EDT.

* IMPACTS...THOSE AREAS MOST PRONE TO TIDAL FLOODING WILL
  EXPERIENCE MINOR FLOODING. 

$$

MPD
1 follow-up statement
711 
WHUS41 KPHI 121753
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
153 PM EDT WED OCT 12 2011

MDZ008-012-015-019-020-130100-
/O.NEW.KPHI.CF.Y.0055.111012T2100Z-111013T0100Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
153 PM EDT WED OCT 12 2011

...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING. 

* LOCATION...THE NORTHERN MARYLAND EASTERN SHORE. 

* COASTAL FLOODING...MINOR TIDAL FLOODING. 

* TIMING...AROUND THE TIME OF HIGH TIDE, WHICH IS FROM AROUND 5 PM
  EDT NEAR CAMBRIDGE TO NEAR 9 PM EDT NORTH OF TOLCHESTER. 

* IMPACTS...AREAS PRONE TO TIDAL FLOODING WILL EXPERIENCE MINOR
  FLOODING. 

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-PAZ070-071-122000-
/O.CON.KPHI.CF.S.0044.000000T0000Z-111012T2000Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
153 PM EDT WED OCT 12 2011

* LOCATION...ALONG THE TIDAL DELAWARE RIVER AND ITS TIDAL 
  TRIBUTARIES. 

* COASTAL FLOODING...SPOTTY AND MINOR.

* TIMING...FROM NOON TO 4 PM EDT.

* IMPACTS...THOSE AREAS MOST PRONE TO TIDAL FLOODING WILL 
  EXPERIENCE MINOR FLOODING. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 4:04 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more8 hr
Oct 12, 6:51 PM EDTCoastal Flood StatementPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean4 hr

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.