Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

July 6, 2003Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2003, 11:14 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 61 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 6, 2003, 11:14 PM EDT (03:14 UTC)
Expired: Jul 7, 2003, 12:15 AM EDT
In force: 61 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Cumberland County, NJ, Salem County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.2 hours before the alert went out and 166 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3982 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 980 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

495 
WUUS51 KPHI 070314
SVRPHI
NJC011-033-070415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1110 PM EDT SUN JUL 6 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SALEM COUNTY IN SOUTHERN NEW JERSEY.
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY.

* UNTIL 1215 AM EDT.

* AT 1105 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  AREA OF SEVERE THUNDERSTORMS IN DELAWARE ON THE WESTERN SHORE OF   
  THE DELAWARE BAY MOVING EAST NORTHEAST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  ALLOWAY...
  BRIDGETON...
  FAIRTON...
  MILLVILLE...
  SALEM...
  SEABROOK FARMS...
  SHILOH...

DAMAGING WINDS IN EXCESS OF 55 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. HEAVY RAIN 
OF 2 TO 3 INCHES IS ALSO POSSIBLE WITH THESE STORMS RESULTING IN 
FLOODING OF POOR DRAINAGE AREAS. INTENSE LIGHTNING IS ALSO OCCURRING.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER 
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE 
TELEVISION OUTLET.

LAT...LON 3938 7545 3944 7552 3953 7556 3966 7539
          3930 7490 3925 7526
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 10:52 PM EDT	Special Marine Warning	PHI		68 min
Jul 6, 11:12 PM EDT	Special Marine Warning	PHI		93 min
Jul 6, 11:12 PM EDT	Special Marine Warning	PHI		93 min
Jul 6, 11:56 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester	49 min
Jul 7, 12:02 AM EDT	Special Marine Warning	PHI		58 min
Jul 7, 12:04 AM EDT	Severe Thunderstorm Warning	PHI	Camden	41 min
Jul 7, 12:28 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	47 min
Jul 7, 7:09 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester	36 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2003 Every severe thunderstorm warning in 2003

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.