Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 119, NWS Philadelphia/Mount Holly

November 1, 2013Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 1, 2013, 9:25 AM EDT for Cumberland County, Salem County, New Jersey. It was in force for 65 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 1, 2013, 9:25 AM EDT (13:25 UTC)
Expired
Nov 1, 2013, 10:30 AM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 62 km from the middle of the area, began a volume at 13:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 1, 6:25 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 1.4 hours before the alert went out and 66 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 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
2 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
505 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.

996 
WUUS51 KPHI 011325
SVRPHI
NJC011-033-011430-
/O.NEW.KPHI.SV.W.0119.131101T1325Z-131101T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
925 AM EDT FRI NOV 1 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
  WESTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1030 AM EDT

* AT 921 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM. THE STORM WAS NEAR SAINT GEORGES IN NEW       
  CASTLE COUNTY...DELAWARE...MOVING EAST AT 35 MPH. THIS STORM IS    
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HOPE CREEK AROUND 930 AM EDT...
  HANCOCKS BRIDGE AND QUINTON AROUND 940 AM EDT...
  QUINTON AND ALLOWAY AROUND 945 AM EDT...
  ALLOWAY AND GREENWICH AROUND 950 AM EDT...
  SHILOH AROUND 955 AM EDT...
  SEABROOK FARMS AND BRIDGETON AROUND 1000 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT TO HEAR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3958 7551 3954 7506 3918 7514 3920 7518
      3923 7518 3929 7526 3928 7529 3934 7534
      3933 7537 3935 7539 3943 7547 3946 7553
      3955 7554
TIME...MOT...LOC 1323Z 273DEG 32KT 3952 7564

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 2:21 AM EDTSpecial Weather StatementPHIHunterdon, Sussex, Warren84 min
Nov 1, 3:14 AM EDTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more9 hr
Nov 1, 7:53 AM EDTSevere Thunderstorm WarningPHIWarren67 min
Nov 1, 8:37 AM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Morris, Somerset, Sussex, Warren68 min
Nov 1, 9:11 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 4 more79 min
Nov 1, 10:09 AM EDTSpecial Marine WarningPHI81 min
Nov 1, 10:29 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cumberland, Monmouth, Ocean76 min
Nov 1, 1:40 PM EDTSmall Craft AdvisoryPHI3 days

Nearby

Severe Thunderstorm Warnings in New Jersey, 2013Every severe thunderstorm warning in 2013

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.