Alert archive / New Jersey / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

November 30, 2016Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Nov 30, 2016, 8:41 PM EST for Gloucester County, Salem County, New Jersey. It was in force for 34 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
Nov 30, 2016, 8:41 PM EST (01:41 UTC)
Expired
Nov 30, 2016, 9:15 PM EST
In force
34 min
Issued by
NWS Philadelphia/Mount Holly

Counties Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 01:42 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, 1.7 hours before the alert went out and 185 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 2016-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2016-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

156 
WWUS81 KPHI 010141
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
841 PM EST WED NOV 30 2016

NJZ016-017-010215-
SALEM-GLOUCESTER-
841 PM EST WED NOV 30 2016

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GLOUCESTER AND SALEM
COUNTIES...

AT 840 PM EST...A STRONG THUNDERSTORM WAS LOCATED OVER
PENNSVILLE...OR NEAR WILMINGTON...MOVING NORTHEAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WILMINGTON...VINELAND...DEPTFORD...WEST DEPTFORD...GLASSBORO...
PENNSVILLE...WOODBURY...PITMAN...CLAYTON...CARNEYS POINT...
PAULSBORO...PENNS GROVE...SALEM...WOODSTOWN...ALLOWAY...
WOODBURY HEIGHTS...NATIONAL PARK...QUINTON...SWEDESBORO AND ELMER.

HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS. IF THREATENING WEATHER APPROACHES, GO INDOORS QUICKLY. 

LAT...LON 3978 7544 3978 7541 3976 7540 3987 7517
      3967 7497 3962 7513 3957 7506 3946 7508
      3956 7524 3946 7537 3945 7542 3940 7541
      3939 7543 3944 7546 3946 7554 3954 7554
      3957 7551 3959 7555 3963 7556
TIME...MOT...LOC 0140Z 239DEG 27KT 3963 7549 

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 8:17 PM ESTSpecial Weather StatementPHISalem28 min
Nov 30, 8:21 PM ESTSpecial Marine WarningPHI39 min
Nov 30, 9:15 PM ESTSpecial Weather StatementPHIBurlington, Camden, Gloucester30 min
Nov 30, 9:46 PM ESTSpecial Weather StatementPHIMercer, Middlesex29 min
Nov 30, 7:38 PM ESTSpecial Weather StatementPHICecil, Kent37 min
Nov 30, 10:08 PM ESTSpecial Weather StatementPHICaroline, Kent, Queen Anne's, Talbot37 min
Nov 30, 10:32 PM ESTSpecial Weather StatementPHICecil28 min

Nearby

Special Weather Statements in New Jersey, 2016Every special weather statement in 2016

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.