Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

March 3, 2012Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Mar 3, 2012, 2:46 AM EST for Atlantic County, New Jersey. It was in force for 44 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
Mar 3, 2012, 2:46 AM EST (07:46 UTC)
Expired
Mar 3, 2012, 3:30 AM EST
In force
44 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.8 hours before the alert went out and 180 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 2012-03-03Temperature 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 km15 km-30°-20°-10°0°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 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 586 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
586 m²/s²
0-3 km storm-relative helicity
926 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.

853 
WWUS81 KPHI 030746
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
246 AM EST SAT MAR 3 2012

NJZ021>026-030830-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-
246 AM EST SAT MAR 3 2012

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...CAPE 
MAY...CUMBERLAND AND OCEAN COUNTIES...

AT 242 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STRONG THUNDERSTORMS 14 MILES WEST OF ATLANTIC CITY... 
MOVING NORTHEAST AT 40 MPH. THE THUNDERSTORMS WILL BE NEAR 
PLEASANTVILLE AND NORTHFIELD AROUND 300 AM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS...AS IS SMALL 
HAIL.

LAT...LON 3945 7430 3936 7440 3930 7454 3919 7464
      3910 7490 3917 7491 3918 7501 3935 7509
      3956 7448 3956 7445 3954 7444 3955 7441
      3950 7440 3949 7437 3956 7432 3951 7428

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 1:59 AM ESTSpecial Weather StatementPHIAtlantic, Cape May, Cumberland61 min
Mar 3, 2:43 AM ESTSpecial Marine WarningPHI62 min
Mar 3, 6:12 AM ESTDense Fog AdvisoryPHIBurlington, Camden, Gloucester, Mercer, Salem3 hr
Mar 3, 4:15 PM ESTWind AdvisoryPHIBurlington, Hunterdon, Mercer, Middlesex, Morris, Somerset and 2 more2 hr

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.