Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly

May 24, 2004Middlesex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 24, 2004, 6:46 PM EDT for Middlesex County, New Jersey. It was in force for 59 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
May 24, 2004, 6:46 PM EDT (22:46 UTC)
Expired
May 24, 2004, 7:45 PM EDT
In force
59 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), 54 km from the middle of the area, began a volume at 22:45 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
May 24, 4:55 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.8 hours before the alert went out and 143 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 2004-05-24Temperature 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, Brookhaven, NY at 12:00Z on 2004-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
-444 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

188 
WUUS51 KPHI 242246
SVRPHI
NJC023-242345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
643 PM EDT MON MAY 24 2004

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF NEW BRUNSWICK

* UNTIL 745 PM EDT

* AT 640 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 15 MILES WEST OF
  KENDALL PARK...OR ABOUT 12 MILES NORTH OF TRENTON...AND MOVING EAST
  AT 35 MPH.  THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  KENDALL PARK BY 705 PM EDT
  DAYTON AND 7 MILES SOUTH OF NORTH BRUNSWICK BY 710 PM EDT
  JAMESBURG AND CLEARBROOK PARK BY 715 PM EDT
  EAST BRUNSWICK BY 720 PM EDT
  9 MILES SOUTH OF SAYREVILLE BY 725 PM EDT

  OTHER THUNDERSTORMS WILL AFFECT THE COUNTY NORHT OF THE PATHCAST   
  LOCATIONS.
 
LAT...LON 4035 7462 4026 7442 4060 7424 4058 7442

$$

RPW

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 5:08 PM EDTSevere Thunderstorm WarningPHIHunterdon52 min
May 24, 6:27 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Somerset63 min
May 24, 7:25 PM EDTSevere Thunderstorm WarningPHISomerset35 min
May 24, 7:32 PM EDTSevere Thunderstorm WarningPHIMonmouth43 min
May 24, 7:44 PM EDTSevere Thunderstorm WarningPHIMiddlesex61 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.