Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 34, NWS Philadelphia/Mount Holly

September 13, 2011Burlington County, Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Sep 13, 2011, 12:26 AM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2011, 12:26 AM EDT (04:26 UTC)
Expired
Sep 13, 2011, 4:00 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 04:24 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, 4.4 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 2011-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 661 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2011-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939587897Sfc1 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
661 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
986 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
51 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.

538 
WHUS41 KPHI 130426
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1226 AM EDT TUE SEP 13 2011

...HIGH WATER LEVELS ARE EXPECTED AROUND THE TIME OF HIGH TIDE
EARLY THIS MORNING...

NJZ017>019-PAZ070-071-130800-
/O.NEW.KPHI.CF.S.0034.110913T0426Z-110913T0800Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
1226 AM EDT TUE SEP 13 2011

* LOCATION...THE TIDAL PORTION OF THE DELAWARE RIVER AND ITS
  TRIBUTARIES...UPSTREAM FROM THE PENNSYLVANIA AND DELAWARE STATE
  LINE.

* COASTAL FLOODING...WATER LEVELS WILL APPROACH OR JUST REACH
  MINOR TIDAL FLOOD HEIGHTS AROUND THE TIME OF HIGH TIDE EARLY
  THIS MORNING. HIGH TIDE IS AT 2:39 AM AT PHILADELPHIA...AND IS
  ABOUT AN HOUR LATER UPSTREAM AT BURLINGTON AND NEWBOLD.

* IMPACTS...WHILE WIDESPREAD MINOR TIDAL FLOODING IS NOT EXPECTED,
  THE HIGH VOLUME OF WATER MOVING DOWN THE DELAWARE RIVER COULD
  CAUSE SOME SPILLOVER IN THE MOST VULNERABLE LOCATIONS EARLY THIS
  MORNING.

$$

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.