Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly

June 1, 2004Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2004, 5:09 PM EDT for Cape May County, New Jersey. It was in force for 36 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 1, 2004, 5:09 PM EDT (21:09 UTC)
Expired
Jun 1, 2004, 5:45 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Cape May County, NJ

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 1, 11:45 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.2 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 12:00Z on 2004-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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 12:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
134 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

859 
WUUS51 KPHI 012109
SVRPHI
NJC009-012145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
509 PM EDT TUE JUN 1 2004

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 504 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED OVER NORTHEASTERN CAPE MAY COUNTY...OR ABOUT 17
  MILES SOUTHWEST OF ATLANTIC CITY...AND MOVING SOUTHEAST AT 15 MPH.

LAT...LON 3926 7468 3916 7478 3914 7475 3927 7462

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 3:25 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May50 min
Jun 1, 3:31 PM EDTSevere Thunderstorm WarningPHIBurlington44 min
Jun 1, 3:36 PM EDTSevere Thunderstorm WarningPHISussex69 min
Jun 1, 4:11 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean79 min
Jun 1, 4:27 PM EDTSevere Thunderstorm WarningPHIMonmouth33 min
Jun 1, 4:44 PM EDTSevere Thunderstorm WarningPHISussex46 min
Jun 1, 4:59 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset61 min
Jun 1, 5:34 PM EDTSevere Thunderstorm WarningPHIMiddlesex41 min
Jun 1, 5:39 PM EDTSevere Thunderstorm WarningPHIMorris36 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2004Every severe thunderstorm warning in 2004

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.