Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 6, 2012Atlantic County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 6, 2012, 3:32 AM EDT for Atlantic County, Cumberland County, New Jersey. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 6, 2012, 3:32 AM EDT (07:32 UTC)
Expired
Aug 6, 2012, 4:30 AM EDT
In force
58 min
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Cumberland County, NJ

The radar

The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 07:35 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, 7.5 hours before the alert went out and 193 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 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1399 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 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939Sfc1 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
1399 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

441 
WWUS81 KPHI 060732
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 AM EDT MON AUG 6 2012

NJZ020>027-060830-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-OCEAN NJ-
SOUTHEASTERN BURLINGTON NJ-
332 AM EDT MON AUG 6 2012

...STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...BURLINGTON...CAPE
MAY...CUMBERLAND AND OCEAN COUNTIES...

AT 331 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES NORTH OF
ATLANTIC CITY TO 4 MILES EAST OF MILLVILLE...MOVING EAST AT 25 MPH.
THE THUNDERSTORMS WILL BE NEAR WADING RIVER...EGG HARBOR CITY AROUND
345 AM...NEW GRETNA...DOROTHY AROUND 400 AM...SURF CITY...BEACH HAVEN
WEST AROUND 415 AM...NORTH BEACH HAVEN AND ABSECON AROUND 430 AM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.

VERY HEAVY RAINFALL WILL OCCUR OVER AREAS THAT RECEIVED HEAVY RAINS
EARLIER. BE ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING.

LAT...LON 3955 7423 3950 7429 3945 7430 3941 7434
      3927 7458 3933 7519 3967 7458 3970 7413

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:17 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem58 min
Aug 5, 9:48 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Monmouth57 min
Aug 5, 10:00 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Monmouth, Ocean60 min
Aug 5, 10:14 PM EDTSpecial Marine WarningPHI2 hr
Aug 5, 10:42 PM EDTSpecial Weather StatementPHIMonmouth48 min
Aug 5, 10:47 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean43 min
Aug 5, 11:02 PM EDTSpecial Weather StatementPHIOcean58 min
Aug 5, 11:25 PM EDTSpecial Marine WarningPHI65 min
Aug 5, 11:31 PM EDTAreal Flood AdvisoryPHISalem3 hr
Aug 5, 11:42 PM EDTSpecial Weather StatementPHIGloucester, Salem63 min
Aug 6, 12:00 AM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester60 min
Aug 6, 12:38 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
Aug 6, 12:46 AM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean59 min
Aug 6, 1:09 AM EDTSpecial Weather StatementPHIAtlantic66 min
Aug 6, 1:36 AM EDTSpecial Marine WarningPHI54 min
Aug 6, 2:23 AM EDTSpecial Weather StatementPHIAtlantic67 min
Aug 6, 5:21 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cumberland, Gloucester, Ocean113 min
Aug 5, 10:50 PM EDTSpecial Weather StatementPHINew Castle55 min

Nearby

Special Weather Statements in New Jersey, 2012Every special weather 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.