Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 10, NWS Philadelphia/Mount Holly

March 12, 2011Burlington County, Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Mar 12, 2011, 3:00 AM EST for Burlington County, Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania. It took effect at Mar 12, 2011, 4:00 AM EST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 12, 2011, 3:00 AM EST (08:00 UTC)
In effect from
Mar 12, 2011, 4:00 AM EST
Expired
Mar 12, 2011, 8:00 AM EST
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 08:06 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, 8.0 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 2011-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Brookhaven, NY at 00:00Z on 2011-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.1939587897117136Sfc1 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
8 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
97 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
7 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.

783 
WHUS41 KPHI 120800
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
300 AM EST SAT MAR 12 2011


NJZ017>019-PAZ070-071-121300-
/O.NEW.KPHI.CF.S.0010.110312T0900Z-110312T1300Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
300 AM EST SAT MAR 12 2011

...WATER LEVELS TO APPROACH MINOR TIDAL FLOOD HEIGHTS THIS MORNING...

RUNOFF FROM YESTERDAYS RAIN CONTINUES TO FLOW INTO THE DELAWARE
RIVER THIS MORNING. TIDAL DEPARTURES HAVE BEEN FLUCTUATING BETWEEN
1.5 FEET AND A LITTLE OVER 3 FEET ABOVE NORMAL. THIS WILL PUSH
WATER LEVELS CLOSE TO MINOR TIDAL FLOOD HEIGHTS AROUND THE TIME OF
HIGH TIDE THIS MORNING. HIGH TIDE IN PHILADELPHIA WILL BE AT 6:22
AM.

$$

RPW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 8:01 PM ESTAreal Flood WarningPHIMorris5 days
Mar 12, 3:46 PM ESTSmall Craft AdvisoryPHI22 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.