Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 43, NWS Philadelphia/Mount Holly

July 6, 2003Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2003, 5:51 PM EDT for Atlantic County, New Jersey. It was in force for 39 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, 5:51 PM EDT (21:51 UTC)
Expired: Jul 6, 2003, 6:30 PM EDT
In force: 39 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 21:54 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 nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.9 hours before the alert went out and 178 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: 1760 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 43 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.

759 
WUUS51 KPHI 062151
SVRPHI
NJC001-062230-

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY.

* UNTIL 630 PM EDT.

* AT 544 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 11 MILES WEST OF MAYS LANDING...MOVING EAST
  AT 20 MPH.

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 
CAN ALSO BE EXPECTED WITH PONDING OF WATER IN AREAS OF POOR DRAINAGE.
NUMEROUS LIGHTNING STRIKES CAN ALSO BE EXPECTED.

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

LAT...LON 3954 7494 3944 7490 3930 7467 3945 7447
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 12:16 AM EDT	Severe Thunderstorm Warning	PHI	Cumberland	59 min
Jul 6, 12:20 AM EDT	Special Marine Warning	PHI		55 min
Jul 6, 12:41 AM EDT	Special Marine Warning	PHI		49 min
Jul 6, 12:55 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May	65 min
Jul 6, 4:53 PM EDT	Severe Thunderstorm Warning	PHI	Salem	37 min
Jul 6, 5:34 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	41 min
Jul 6, 5:55 PM EDT	Special Marine Warning	PHI		65 min
Jul 6, 6:05 PM EDT	Special Marine Warning	PHI		115 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; radar from the NEXRAD Level II archive.