Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 3, NWS Philadelphia/Mount Holly

January 13, 20114 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jan 13, 2011, 2:26 AM EST for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania. It was in force for 94 min.

The area

The counties it named.

The facts

Issued
Jan 13, 2011, 2:26 AM EST (07:26 UTC)
Expired
Jan 13, 2011, 4:00 AM EST
In force
94 min
Issued by
NWS Philadelphia/Mount Holly

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

The radar

The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 07:25 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, 7.4 hours before the alert went out and 208 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 2011-01-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2011-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
613 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
187 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.

525 
WHUS41 KPHI 130726
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
226 AM EST THU JAN 13 2011


NJZ015-017>019-PAZ069>071-130900-
/O.NEW.KPHI.CF.S.0003.110113T0726Z-110113T0900Z/
MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-BUCKS-DELAWARE-
PHILADELPHIA-
226 AM EST THU JAN 13 2011

TIDES ON PORTIONS OF THE DELAWARE RIVER FROM TRENTON TO MARCUS
HOOK INCLUDING PHILADELPHIA ARE MARGINALLY VERY LOW JUST AFTER
2 AM THIS MORNING.

THESE LOW WATER CONDITIONS AT LOW TIDE AS INDICATED BY THE 
PHILADELPHIA TIDE GAGE...WILL RETURN TO WITHIN NORMAL VALUES
BETWEEN 3 AM AND 4 AM AS THE TIDES INCREASE FROM THEIR LOWEST
CURRENT VALUES.



$$
..THIS CORRECTS THE ZONE CONFIGURATION JUST ISSUED AT 223AM..

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 12:30 AM ESTCoastal Flood StatementPHISalem90 min
Jan 13, 9:45 AM ESTCoastal Flood StatementPHIBurlington, Camden, Gloucester, Mercer, Salem27 min

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.