Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 187, NWS Philadelphia/Mount Holly

July 18, 2006Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2006, 10:00 PM EDT for Cape May County, New Jersey. It was in force for 60 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
Jul 18, 2006, 10:00 PM EDT (02:00 UTC)
Expired
Jul 18, 2006, 11:00 PM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 02:02 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
Jul 18, 6:37 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.0 hours before the alert went out and 147 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 2006-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2454 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 2006-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
2454 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1125 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
67 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 190200
SVRPHI
NJC009-190300-
/O.NEW.KPHI.SV.W.0187.060719T0200Z-060719T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1000 PM EDT TUE JUL 18 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CAPE MAY COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 1100 PM EDT

* AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTHWEST OF CAPE MAY
  COURT HOUSE...OR ABOUT 23 MILES SOUTH OF VINELAND...AND MOVING EAST
  AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAPE MAY COURT HOUSE BY 1005 PM EDT...
  AVALON AND STONE HARBOR BY 1020 PM EDT...
  SEA ISLE CITY BY 1030 PM EDT...

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 3926 7488 3904 7490 3898 7458 3920 7453

$$

MPD
1 follow-up statement
000 
WWUS51 KPHI 190255
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1054 PM EDT TUE JUL 18 2006

NJC009-190304-
/O.EXP.KPHI.SV.W.0187.000000T0000Z-060719T0300Z/
CAPE MAY NJ-
1054 PM EDT TUE JUL 18 2006

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CAPE MAY COUNTY
EXPIRES AT 1100 PM EDT...

THUNDERSTORMS HAVE WEAKENED OVER THE AREA AND NO LONGER POSE A 
THREAT FOR SEVERE WEATHER.

LAT...LON 3926 7488 3904 7490 3898 7458 3920 7453

$$

AMC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:19 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Ocean, Somerset71 min
Jul 18, 8:27 PM EDTSevere Thunderstorm WarningPHIBurlington63 min
Jul 18, 9:14 PM EDTSevere Thunderstorm WarningPHICumberland61 min
Jul 18, 9:21 PM EDTSpecial Marine WarningPHI84 min
Jul 18, 9:27 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean51 min
Jul 18, 9:37 PM EDTSpecial Marine WarningPHI83 min
Jul 18, 9:58 PM EDTSpecial Marine WarningPHI2 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006Every severe thunderstorm warning in 2006

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.