Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 4, NWS Philadelphia/Mount Holly

January 13, 2011New Castle County, Delaware; 5 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jan 13, 2011, 9:45 AM EST for New Castle County, Delaware; 5 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania. It took effect at Jan 13, 2011, 12:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 13, 2011, 9:45 AM EST (14:45 UTC)
In effect from
Jan 13, 2011, 12:00 PM EST
Expired
Jan 13, 2011, 10:12 AM EST
In force
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 14:43 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, 2.8 hours before the alert went out and 93 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 2011-01-13Temperature 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 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 2011-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
1031 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
113 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.

067 
WHUS41 KPHI 131445
CFWPHI

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

DEZ001-NJZ015>019-PAZ069>071-132100-
/O.NEW.KPHI.CF.S.0004.110113T1700Z-110113T2100Z/
NEW CASTLE-MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
BUCKS-DELAWARE-PHILADELPHIA-
945 AM EST THU JAN 13 2011

...LOW WATER LEVELS ON THE TIDAL PORTION OF THE DELAWARE RIVER...

A PERSISTENT AND BRISK NORTHWEST WIND WILL CONTINUE TO PUSH WATER
AWAY FROM THE COAST TODAY. THE PATTERN HAS BEEN RESULTING IN LOWER
THAN NORMAL WATER LEVELS ON THE TIDAL PORTION OF THE DELAWARE
RIVER.

AROUND THE TIME OF THIS AFTERNOON'S LOW TIDE, WATER LEVELS MAY
APPROACH THOSE THAT HAVE A NEGATIVE IMPACT ON NAVIGATION. HOWEVER,
THE SITUATION WILL BE MARGINAL AND ANY NEGATIVE IMPACTS SHOULD BE
LIMITED.

LOW TIDE OCCURS ALONG THE TIDAL PORTION OF THE DELAWARE RIVER
BETWEEN NOON AND 400 PM TODAY.

WATER LEVELS SHOULD RECOVER GRADUALLY DURING TONIGHT AND FRIDAY
AS THE NORTHWEST WIND DIMINISHES.

$$

IOVINO
1 follow-up statement
902 
WHUS41 KPHI 131512
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1012 AM EST THU JAN 13 2011

DEZ001-NJZ015>019-PAZ069>071-131615-
/O.CAN.KPHI.CF.S.0004.110113T1700Z-110113T2100Z/
NEW CASTLE-MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
BUCKS-DELAWARE-PHILADELPHIA-
1012 AM EST THU JAN 13 2011

...LOW WATER LEVELS ON THE TIDAL PORTION OF THE DELAWARE RIVER...

A PERSISTENT AND BRISK NORTHWEST WIND WILL CONTINUE TO PUSH WATER
AWAY FROM THE COAST TODAY. THE PATTERN HAS BEEN RESULTING IN LOWER
THAN NORMAL WATER LEVELS ON THE TIDAL PORTION OF THE DELAWARE
RIVER.

AROUND THE TIME OF THIS AFTERNOON'S LOW TIDE, WATER LEVELS MAY
APPROACH THOSE THAT HAVE A NEGATIVE IMPACT ON NAVIGATION. HOWEVER,
THE SITUATION WILL BE MARGINAL AND ANY NEGATIVE IMPACTS SHOULD BE
LIMITED.

LOW TIDE OCCURS ALONG THE TIDAL PORTION OF THE DELAWARE RIVER
BETWEEN NOON AND 400 PM TODAY.

WATER LEVELS SHOULD RECOVER GRADUALLY DURING TONIGHT AND FRIDAY
AS THE NORTHWEST WIND DIMINISHES.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 12:30 AM ESTCoastal Flood StatementPHINew Castle90 min
Jan 13, 2:26 AM ESTCoastal Flood StatementPHIBurlington, Camden, Gloucester, Mercer94 min

Nearby

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