Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

March 3, 2012Atlantic County, Cape May County, Cumberland County, New Jersey; Kent County, Delaware

NWS Philadelphia/Mount Holly issued this special weather statement at Mar 3, 2012, 1:59 AM EST for Atlantic County, Cape May County, Cumberland County, New Jersey; Kent County, Delaware. It was in force for 61 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, 1:59 AM EST (06:59 UTC)
Expired
Mar 3, 2012, 3:00 AM EST
In force
61 min
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 07:00 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, 7.0 hours before the alert went out and 156 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°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.

196 
WWUS81 KPHI 030659
SPSPHI

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

DEZ001-002-NJZ016-020>027-030800-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-KENT DE-
NEW CASTLE DE-OCEAN NJ-SALEM NJ-SOUTHEASTERN BURLINGTON NJ-
159 AM EST SAT MAR 3 2012

...STRONG THUNDERSTORMS WILL CONTINUE TO AFFECT PORTIONS OF 
ATLANTIC...BURLINGTON...CAPE MAY...CUMBERLAND...KENT...NEW 
CASTLE...OCEAN AND SALEM COUNTIES...

AT 155 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF HEAVY SHOWERS AND STRONG THUNDERSTORMS FROM NORTHERN AND 
CENTRAL DELAWARE EASTWARD ACROSS SOUTHEASTERN NEW JERSEY. THIS 
ACTIVITY IS MOVING EASTWARD AT 40 MPH. 

HAIL UP TO HALF AN INCH IN DIAMETER AND FREQUENT CLOUD TO GROUND 
LIGHTNING CAN BE EXPECTED WITH THE STRONGER STORMS.

HEAVY RAIN WILL OCCUR WITH THESE SHOWERS AND THUNDERSTORMS, AND THIS 
WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL POOR DRAINAGE 
AREAS. IF TRAVELING, BE ALERT FOR REDUCED VISIBILITIES DUE TO 
THE LOCALLY HEAVY RAIN.


LAT...LON 3945 7430 3925 7460 3905 7475 3903 7495
      3917 7491 3921 7504 3918 7515 3935 7539
      3907 7539 3899 7532 3895 7569 3941 7576
      3945 7557 3932 7544 3937 7540 3945 7552
      3955 7504 3951 7499 3958 7492 3973 7411

$$

FORECASTER: GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 2:43 AM ESTSpecial Marine WarningPHI62 min
Mar 3, 2:46 AM ESTSpecial Weather StatementPHIAtlantic44 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, 2012Special Weather Statements in Delaware, 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.