Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 68, NWS Philadelphia/Mount Holly

June 1, 2004Middlesex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2004, 5:34 PM EDT for Middlesex County, New Jersey. It was in force for 41 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, 5:34 PM EDT (21:34 UTC)
Expired
Jun 1, 2004, 6:15 PM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Middlesex County, NJ

The radar

The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 21:35 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
Jun 1, 12:25 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.6 hours before the alert went out and 133 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, Brookhaven, NY at 12:00Z on 2004-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
-93 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.

130 
WUUS51 KPHI 012134
SVRPHI
NJC023-012215-

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
  
* UNTIL 615 PM EDT

* AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 6 MILES NORTH OF SOCIETY HILL...OR ABOUT 10 MILES
  NORTH OF NEW BRUNSWICK...AND MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SOCIETY HILL BY 540 PM EDT
  EDISON BY 550 PM EDT
  7 MILES NORTH OF SAYREVILLE BY 600 PM EDT
  PERTH AMBOY BY 605 PM EDT

LAT...LON 4058 7445 4053 7447 4043 7432 4058 7423

$$

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, 5:09 PM EDTSevere Thunderstorm WarningPHICape May36 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; radar from the NEXRAD Level II archive.