Alert archive / New Jersey / Special Weather Statements in 2015

Special Weather Statement, NWS Philadelphia/Mount Holly

August 4, 2015Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 4, 2015, 8:04 PM EDT for Cumberland County, New Jersey. It was in force for 56 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 4, 2015, 8:04 PM EDT (00:04 UTC)
Expired
Aug 4, 2015, 9:00 PM EDT
In force
56 min
Issued by
NWS Philadelphia/Mount Holly

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 56 km from the middle of the area, began a volume at 00:06 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, 0.1 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 2015-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 961 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 2015-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 km3 km6 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
961 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
75 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.

587 
WWUS81 KPHI 050004
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
804 PM EDT TUE AUG 4 2015
 
DEZ001-002-NJZ016-021-050100-
KENT-NEW CASTLE-SALEM-CUMBERLAND-
804 PM EDT TUE AUG 4 2015

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN NEW CASTLE...
NORTHERN KENT...SOUTHWESTERN SALEM AND SOUTHWESTERN CUMBERLAND
COUNTIES...

AT 802 PM EDT...A STRONG THUNDERSTORM WAS OVER GREEN SPRING...OR 8
MILES SOUTHEAST OF MIDDLETOWN...MOVING EAST AT 25 MPH.

WIND GUSTS UP TO 40 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MILLVILLE...BRIDGETON...MIDDLETOWN...SMYRNA...CLAYTON...GREENWICH...
FORTESQUE...WOODLAND BEACH...FAIRTON...NEWPORT MEADOWS...GREEN
SPRING...NEWPORT...CEDARVILLE...TOWNSEND...LEIPSIC AND CHAMBERSVILLE.

LAT...LON 3944 7556 3935 7549 3940 7543 3944 7548
      3946 7514 3923 7510 3923 7517 3927 7524
      3930 7525 3929 7529 3934 7535 3928 7542
      3925 7540 3924 7542 3925 7572 3943 7573
TIME...MOT...LOC 0002Z 268DEG 22KT 3935 7564 
$$

SZATKOWSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 10:07 PM EDTSpecial Weather StatementPHICape May53 min
Aug 4, 10:30 PM EDTAreal Flood AdvisoryPHICape May4 hr
Aug 4, 10:40 PM EDTSpecial Marine WarningPHI50 min
Aug 4, 10:56 PM EDTSpecial Weather StatementPHICape May19 min
Aug 4, 11:22 PM EDTSpecial Marine WarningPHI53 min
Aug 4, 10:44 PM EDTSpecial Weather StatementPHITalbot31 min
Aug 4, 11:10 PM EDTSpecial Weather StatementPHICaroline, Talbot50 min
Aug 4, 11:28 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot32 min
Aug 4, 9:01 PM EDTSpecial Weather StatementPHINew Castle59 min
Aug 4, 10:24 PM EDTSpecial Weather StatementPHISussex51 min
Aug 4, 11:06 PM EDTSpecial Weather StatementPHISussex24 min
Aug 4, 11:18 PM EDTAreal Flood AdvisoryPHISussex4 hr
Aug 4, 11:35 PM EDTFlash Flood WarningPHISussex4 hr
Aug 4, 11:43 PM EDTSpecial Weather StatementPHISussex47 min
Aug 5, 12:04 AM EDTSpecial Weather StatementPHISussex41 min
Aug 5, 12:39 AM EDTFlash Flood WarningPHISussex4 hr
Aug 5, 12:52 AM EDTSpecial Weather StatementPHISussex23 min

Nearby

Special Weather Statements in New Jersey, 2015Every special weather statement in 2015

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.