Alert archive / New Jersey / Coastal Flood Statements in 2012

Coastal Flood Statement 19, NWS Philadelphia/Mount Holly

July 3, 2012Kent County, New Castle County, Sussex County, Delaware; 8 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jul 3, 2012, 2:19 PM EDT for Kent County, New Castle County, Sussex County, Delaware; 8 counties in New Jersey. It took effect at Jul 3, 2012, 8:00 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 3, 2012, 2:19 PM EDT (18:19 UTC)
In effect from
Jul 3, 2012, 8:00 PM EDT
Expired
Jul 4, 2012, 12:00 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 18:19 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, 6.3 hours before the alert went out and 103 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 2012-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
212 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1559 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

593 
WHUS41 KPHI 031819
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
219 PM EDT TUE JUL 3 2012

DEZ001>004-NJZ012>014-016-020>027-040400-
/O.NEW.KPHI.CF.S.0019.120704T0000Z-120704T0400Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
219 PM EDT TUE JUL 3 2012

...SOME LOW-END MINOR TIDAL FLOODING THIS EVENING...

* LOCATION...THE ATLANTIC COASTLINE, RARITAN BAY, ADJACENT BACK
  BAYS AND DELAWARE BAY.

* COASTAL FLOODING...SOME LOW-END MINOR TIDAL FLOODING. 

* TIMING...FROM 800 PM TO 900 PM ALONG THE COAST AND RARITAN BAY.
  LATER ALONG ADJACENT BACK BAYS. FROM 900 PM TO MIDNIGHT UP
  DELAWARE BAY.

* IMPACTS...THE MORE FLOOD-PRONE LOCATIONS WILL SEE LOW-END MINOR
  TIDAL FLOODING. 

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 3:47 AM EDTExcessive Heat WatchPHINew Castle12 hr
Jul 3, 3:28 PM EDTExcessive Heat WarningPHIKent, New Castle, Sussex5 days

Nearby

Coastal Flood Statements in New Jersey, 2012Coastal Flood Statements in Delaware, 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.