Alert archive / New Jersey / Special Weather Statements in 2014

Special Weather Statement, NWS Philadelphia/Mount Holly

September 2, 20145 counties in New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 2, 2014, 9:13 PM EDT for 5 counties in New Jersey. It was in force for 77 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
Sep 2, 2014, 9:13 PM EDT (01:13 UTC)
Expired
Sep 2, 2014, 10:30 PM EDT
In force
77 min
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 01:16 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, 1.2 hours before the alert went out and 170 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 2014-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 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 2014-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1428 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1526 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

063 
WWUS81 KPHI 030113
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
913 PM EDT TUE SEP 2 2014

DEZ001-002-NJZ016>019-021>025-027-030230-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-CUMBERLAND NJ-GLOUCESTER NJ-KENT DE-NEW CASTLE DE-
NORTHWESTERN BURLINGTON NJ-SALEM NJ-SOUTHEASTERN BURLINGTON NJ-
913 PM EDT TUE SEP 2 2014

...STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...CUMBERLAND...EASTERN
NEW CASTLE...GLOUCESTER...NORTHERN CAPE MAY...NORTHERN KENT...
SALEM...SOUTHERN BURLINGTON AND SOUTHERN CAMDEN COUNTIES...

AN AREA OF STRONG THUNDERSTORMS WAS MOVING ACROSS NEW CASTLE COUNTY 
DELAWARE AND WILL AFFECT PORTIONS  OF ATLANTIC... 
BURLINGTON...CAMDEN...CAPE MAY...CUMBERLAND...GLOUCESTER... 
KENT...NEW CASTLE AND SALEM COUNTIES THROUGH 1030 PM EDT. THE STRONG 
THUNDERSTORMS WERE GENERALLY MOVING EAST AT 45 MPH.

WIND GUSTS TO 40 MPH AND SOME LIGHTNING STRIKES ARE POSSIBLE WITH 
THESE STRONG THUNDERSTORMS. 

VERY HEAVY RAIN WILL FALL FROM THESE STRONG THUNDERSTORMS...AND WILL
CAUSE WATER TO POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN
CAN CAUSE RAPID RISES ON SMALL STREAMS AND CREEKS. 

IF THESE STORMS STRENGTHEN, THEN WARNINGS MAY NEED TO BE ISSUED.

LAT...LON 3920 7464 3920 7518 3923 7518 3929 7526
      3928 7529 3943 7547 3946 7555 3957 7552
      3959 7555 3951 7555 3947 7558 3931 7543
      3921 7538 3920 7575 3983 7555 3983 7548
      3980 7541 3984 7536 3987 7452 3930 7452

$$

FORECASTER:

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 8:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden38 min
Sep 2, 8:25 PM EDTSpecial Weather StatementPHISalem65 min
Sep 2, 8:40 PM EDTSpecial Marine WarningPHI95 min
Sep 2, 9:18 PM EDTSpecial Marine WarningPHI87 min
Sep 2, 10:23 PM EDTSpecial Weather StatementPHIAtlantic52 min
Sep 2, 10:28 PM EDTSpecial Marine WarningPHI92 min
Sep 2, 11:28 PM EDTSpecial Weather StatementPHICamden, Gloucester62 min
Sep 2, 8:38 PM EDTSevere Thunderstorm WarningPHICecil, Kent52 min
Sep 2, 9:05 PM EDTSpecial Weather StatementPHIKent, Queen Anne's70 min
Sep 2, 9:31 PM EDTSpecial Weather StatementPHICaroline89 min
Sep 2, 11:43 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot62 min
Sep 3, 12:52 AM EDTSpecial Weather StatementPHICaroline53 min
Sep 3, 1:01 AM EDTAreal Flood AdvisoryPHICaroline, Queen Anne's, Talbot3 hr

Nearby

Special Weather Statements in New Jersey, 2014Every special weather statement in 2014

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.