Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 32, NWS Philadelphia/Mount Holly

September 2, 2011Delaware County, Philadelphia County, Pennsylvania; Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Sep 2, 2011, 2:18 AM EDT for Delaware County, Philadelphia County, Pennsylvania; Burlington County, Camden County, Gloucester County, New Jersey. It took effect at Sep 2, 2011, 3:00 AM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 2, 2011, 2:18 AM EDT (06:18 UTC)
In effect from
Sep 2, 2011, 3:00 AM EDT
Expired
Sep 2, 2011, 7:00 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 06:19 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

Brookhaven, NY (KOKX), launched 00:00Z, 6.3 hours before the alert went out and 217 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, Brookhaven, NY at 00:00Z on 2011-09-02Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2011-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1578 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
28 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.

698 
WHUS41 KPHI 020618
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
218 AM EDT FRI SEP 2 2011

NJZ017>019-PAZ070-071-021100-
/O.NEW.KPHI.CF.S.0032.110902T0700Z-110902T1100Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
218 AM EDT FRI SEP 2 2011

* LOCATION...TIDAL PORTIONS OF THE DELAWARE RIVER. 

* COASTAL FLOODING...THE EARLY MORNING HIGH TIDE CYCLE MAY COM
  CLOSE TO THE MINOR TIDAL FLOODING BENCHMARK...AND A FEW PLACES
  COULD SEE MINOR TIDAL FLOODING.

* TIMING...HIGH TIDE OCCURS BETWEEN 3 AM AND 6 AM.

* IMPACTS...THE MOST VULNERABLE ROADWAYS 
  SUCH AS THE ADMIRAL WILSON BOULEVARD MIGHT EXPERIENCE TIDAL 
  FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE AROUND BARRICADES. PLEASE TAKE ROADWAYS THAT ARE NOT
PRONE TO MINOR TIDAL FLOODING. 

$$

HAYES
1 follow-up statement
787 
WHUS41 KPHI 020741
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
341 AM EDT FRI SEP 2 2011

DEZ003-004-NJZ012>014-020-022>027-021545-
/O.NEW.KPHI.CF.Y.0035.110902T1500Z-110902T1800Z/
INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
341 AM EDT FRI SEP 2 2011

...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
2 PM EDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO
2 PM EDT THIS AFTERNOON. 

* LOCATION...ALONG THE OCEAN FRONT AND BACK BAYS OF NEW JERSEY AND
  DELAWARE. 

* COASTAL FLOODING...MINOR TIDAL FLOODING IS EXPECTED WITH THE
  LATE MORNING AND EARLY AFTERNOON HIGH TIDE CYCLE.

* TIMING...HIGH TIDE OCCURS ON THE OCEAN FRONT BETWEEN 1130 AM AND
  1230 PM...AND LATER IN THE BACK BAYS.

* SEAS...3 TO 4 FEET.

* IMPACTS...THE MORE FLOOD PRONE AREAS WILL EXPERIENCE MINOR TIDAL
  FLOODING. THIS MAY RESULT IN SOME ROAD CLOSURE DURING THE 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).

&&

$$

NJZ017>019-PAZ070-071-021100-
/O.CON.KPHI.CF.S.0032.000000T0000Z-110902T1100Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
341 AM EDT FRI SEP 2 2011

* LOCATION...TIDAL PORTIONS OF THE DELAWARE RIVER.

* COASTAL FLOODING...THE EARLY MORNING HIGH TIDE CYCLE MAY COME 
  CLOSE TO THE MINOR TIDAL FLOODING BENCHMARK...AND A FEW PLACES 
  COULD SEE MINOR TIDAL FLOODING. 

* TIMING...HIGH TIDE OCCURS THROUGH 600 AM.

* IMPACTS...THE MOST VULNERABLE ROADWAYS SUCH AS THE ADMIRAL 
  WILSON BOULEVARD MIGHT EXPERIENCE TIDAL FLOODING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE AROUND BARRICADES. PLEASE TAKE ROADWAYS THAT ARE NOT
PRONE TO MINOR TIDAL FLOODING.

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 3:41 AM EDTCoastal Flood AdvisoryPHIDelaware, Philadelphia16 hr

Nearby

Coastal Flood Statements in New Jersey, 2011Coastal Flood Statements in Pennsylvania, 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.