Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 45, NWS Philadelphia/Mount Holly

October 12, 2011Kent County, Sussex County, Delaware; 6 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 12, 2011, 6:51 PM EDT for Kent County, Sussex County, Delaware; 6 counties in New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 2011, 6:51 PM EDT (22:51 UTC)
Expired
Oct 12, 2011, 11:00 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 22:50 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, 10.9 hours before the alert went out and 110 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.

548 
WHUS41 KPHI 122251
CFWPHI

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

MDZ008-012-015-019-020-130100-
/O.CON.KPHI.CF.Y.0055.000000T0000Z-111013T0100Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
651 PM EDT WED OCT 12 2011

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 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).

&&

$$

DEZ002>004-NJZ013-014-020>027-130300-
/O.NEW.KPHI.CF.S.0045.111012T2251Z-111013T0300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
651 PM EDT WED OCT 12 2011

* LOCATION...THE COASTAL ATLANTIC SHORE AREAS INCLUDING THE BACK
  BAYS AND THE LOWER DELAWARE BAY. 

* COASTAL FLOODING...SPOTTY MINOR TIDAL FLOODING MAY OCCUR WITH
  THE UPCOMING HIGH TIDE. 

* TIMING...THROUGH 11 PM TONIGHT. 

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

$$
1 follow-up statement
155 
WHUS41 KPHI 130105
CFWPHI

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

MDZ008-012-015-019-020-130215-
/O.EXP.KPHI.CF.Y.0055.000000T0000Z-111013T0100Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
905 PM EDT WED OCT 12 2011

...COASTAL FLOOD ADVISORY HAS EXPIRED...

HIGH TIDE IN THE CHESAPEAKE BAY AT TOLCHESTER AND CAMBRIDGE HAS
PASSED. 

$$

DEZ002>004-NJZ013-014-020>027-130300-
/O.CON.KPHI.CF.S.0045.000000T0000Z-111013T0300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
905 PM EDT WED OCT 12 2011

* LOCATION...THE COASTAL ATLANTIC SHORE AREAS INCLUDING THE BACK 
  BAYS AND THE LOWER DELAWARE BAY. 

* COASTAL FLOODING...SPOTTY MINOR TIDAL FLOODING MAY OCCUR WITH 
  THE UPCOMING HIGH TIDE. 

* TIMING...THROUGH 11 PM TONIGHT.

* IMPACTS...AREAS PRONE TO TIDAL FLOODING MAY 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 AdvisoryPHIKent, Sussex8 hr
Oct 12, 11:57 AM EDTCoastal Flood StatementPHINew Castle4 hr

Nearby

Coastal Flood Statements in New Jersey, 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.