Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 111, NWS Philadelphia/Mount Holly

June 27, 2007Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 2007, 10:57 PM EDT for Atlantic County, New Jersey. It was in force for 63 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
Jun 27, 2007, 10:57 PM EDT (02:57 UTC)
Expired
Jun 28, 2007, 12:00 AM EDT
In force
63 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Atlantic County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.0 hours before the alert went out and 195 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 2007-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3328 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2007-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
3328 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
145 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.

000 
WUUS51 KPHI 280257
SVRPHI
NJC001-280400-
/O.NEW.KPHI.SV.W.0111.070628T0257Z-070628T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1057 PM EDT WED JUN 27 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL MIDNIGHT EDT

* AT 1054 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  NORTHWEST OF FOLSOM...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FOLSOM BY 1110 PM EDT...
  HAMMONTON BY 1115 PM EDT...
  ELWOOD BY 1125 PM EDT...
  EGG HARBOR CITY BY 1140 PM EDT...
  8 MILES NORTH OF POMONA BY 1150 PM EDT...
  PORT REPUBLIC BY 1155 PM EDT...

THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3941 7458 3960 7488 3971 7476 3968 7468
      3962 7466 3961 7463 3961 7462 3954 7447
      3955 7444 3954 7444 3955 7442 3954 7442

$$
 
TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:18 PM EDTSevere Thunderstorm WarningPHIWarren87 min
Jun 27, 8:56 PM EDTSevere Thunderstorm WarningPHIMorris69 min
Jun 27, 9:38 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester67 min
Jun 27, 10:02 PM EDTSpecial Marine WarningPHI58 min
Jun 27, 10:09 PM EDTSevere Thunderstorm WarningPHIMercer66 min
Jun 27, 10:40 PM EDTSevere Thunderstorm WarningPHIBurlington80 min
Jun 27, 10:47 PM EDTSevere Thunderstorm WarningPHICamden43 min
Jun 27, 11:06 PM EDTSevere Thunderstorm WarningPHIMonmouth69 min
Jun 27, 11:10 PM EDTSpecial Marine WarningPHI95 min
Jun 27, 11:30 PM EDTSevere Thunderstorm WarningPHIOcean59 min
Jun 28, 3:40 PM EDTSpecial Marine WarningPHI95 min
Jun 28, 4:51 PM EDTSevere Thunderstorm WarningPHISussex54 min
Jun 28, 5:00 PM EDTFlash Flood WarningPHISussex3 hr
Jun 28, 5:29 PM EDTSevere Thunderstorm WarningPHIMorris61 min
Jun 28, 7:24 PM EDTSevere Thunderstorm WarningPHIMercer66 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2007Every severe thunderstorm warning in 2007

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.