Alert archive / New Jersey / Coastal Flood Statements in 2012

Coastal Flood Statement 18, NWS Philadelphia/Mount Holly

July 2, 20127 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jul 2, 2012, 2:56 PM EDT for 7 counties in New Jersey; Kent County, Sussex County, Delaware. It took effect at Jul 2, 2012, 7:00 PM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 2, 2012, 2:56 PM EDT (18:56 UTC)
In effect from
Jul 2, 2012, 7:00 PM EDT
Expired
Jul 2, 2012, 10:00 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent 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

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 18:55 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 12:00Z, 6.9 hours before the alert went out and 190 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 12:00Z on 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 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 12:00Z on 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
27 J/kg
Mixed-layer CIN
-427 J/kg
Mixed-layer LCL
2051 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
169 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.

029 
WHUS41 KPHI 021856
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
256 PM EDT MON JUL 2 2012

DEZ002>004-NJZ012>014-020>027-030200-
/O.NEW.KPHI.CF.S.0018.120702T2300Z-120703T0200Z/
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-
256 PM EDT MON JUL 2 2012

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

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

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

* TIMING...700 PM TO 745 PM ALONG THE COAST AND RARITAN BAY AND
  800 PM TO 1000 PM ALONG ADJACENT BACK BAYS AND LOWER DELAWARE
  BAY.

* IMPACTS...LOW-END MINOR TIDAL FLOODING OF THE MOST FLOOD-PRONE
  AREAS.

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:16 PM EDTSpecial Weather StatementPHIOcean44 min
Jul 1, 8:33 PM EDTSevere Thunderstorm WarningPHIOcean57 min
Jul 1, 8:39 PM EDTSpecial Marine WarningPHI66 min
Jul 1, 9:45 PM EDTSpecial Marine WarningPHI2 hr
Jul 1, 9:51 PM EDTSpecial Weather StatementPHIAtlantic24 min
Jul 1, 9:58 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May62 min
Jul 1, 10:04 PM EDTSpecial Marine WarningPHI116 min
Jul 2, 4:13 AM EDTSpecial Weather StatementPHIKent, Sussex62 min

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.