Alert archive / New Jersey / Coastal Flood Statements in 2012

Coastal Flood Statement 26, NWS Philadelphia/Mount Holly

October 19, 201210 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 19, 2012, 4:15 AM EDT for 10 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware; Delaware County, Philadelphia County, Pennsylvania. It took effect at Oct 19, 2012, 10:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 19, 2012, 4:15 AM EDT (08:15 UTC)
In effect from
Oct 19, 2012, 10:00 AM EDT
Expired
Oct 19, 2012, 6:00 PM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 08:14 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 8.3 hours before the alert went out and 195 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, Wallops Is Stn, VA at 00:00Z on 2012-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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, Wallops Is Stn, VA at 00:00Z on 2012-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
21 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

061 
WHUS41 KPHI 190815
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
415 AM EDT FRI OCT 19 2012

DEZ002>004-NJZ012>014-020>027-191800-
/O.NEW.KPHI.CF.S.0026.121019T1400Z-121019T1800Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
415 AM EDT FRI OCT 19 2012

...SPOTTY MINOR TIDAL FLOODING TODAY...

* LOCATION...COASTAL AREAS OF NEW JERSEY AND DELAWARE, AND ALONG
  DELAWARE BAY.

* COASTAL FLOODING...SPOTTY MINOR FLOODING IS ANTICIPATED AROUND
  THE TIME OF THE LATE MORNING TO EARLY AFTERNOON HIGH TIDE.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONT
  OCCURS BETWEEN 1030 AM AND 1130 AM. HIGH TIDE ON THE BACK BAYS,
  ALONG DELAWARE BAY AND ALONG RARITAN BAY OCCURS LATER THAN THE
  HIGH TIDE ON THE OCEANFRONT.

* IMPACTS...SHALLOW WATER MAY ENCROACH ON THE AREA ROADWAYS THAT
  ARE USUALLY MOST SUSCEPTIBLE TO TIDAL FLOODING.

$$

DEZ001-NJZ016>019-PAZ070-071-192200-
/O.NEW.KPHI.CF.S.0026.121019T1800Z-121019T2200Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
415 AM EDT FRI OCT 19 2012

...SPOTTY MINOR TIDAL FLOODING THIS AFTERNOON...

* LOCATION...THE TIDAL DELAWARE RIVER AND ITS TIDAL TRIBUTARIES.

* COASTAL FLOODING...SPOTTY MINOR FLOODING IS ANTICIPATED AROUND
  THE TIME OF THIS AFTERNOON'S HIGH TIDE.

* TIMING...HIGH TIDE WORKS ITS WAY UP THE LOWER DELAWARE RIVER
  BETWEEN ABOUT 200 PM AND 600 PM.

* IMPACTS...SHALLOW WATER MAY ENCROACH ON THE AREA ROADWAYS THAT
  ARE USUALLY MOST SUSCEPTIBLE TO TIDAL FLOODING.

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 11:52 AM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset105 min
Oct 19, 12:48 AM EDTSpecial Weather StatementPHICarbon42 min
Oct 19, 1:30 AM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh45 min
Oct 19, 2:00 AM EDTSpecial Weather StatementPHICarbon, Lehigh, Monroe, Northampton45 min
Oct 19, 3:33 AM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton3 hr

Nearby

Coastal Flood Statements in New Jersey, 2012Coastal Flood Statements in Delaware, 2012Coastal Flood Statements in Pennsylvania, 2012Every coastal flood statement in 2012

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.