Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 162, NWS Philadelphia/Mount Holly

October 27, 200310 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Oct 27, 2003, 3:29 PM EST for 10 counties in 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 counties it named.

The facts

Issued
Oct 27, 2003, 3:29 PM EST (20:29 UTC)
Expired
Oct 27, 2003, 4:30 PM EST
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 20:29 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 124 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, Phillips Aaf/Abe, MD at 12:00Z on 2003-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2003-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
23 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
178 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.

000 
WUUS51 KPHI 272029
SVRPHI
NJC001-005-007-011-015-021-023-025-029-033-272130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 PM EST MON OCT 27 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERCER COUNTY IN CENTRAL NEW JERSEY.
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY.
  MIDDLESEX COUNTY IN NORTHERN NEW JERSEY.
  SALEM COUNTY IN SOUTHERN NEW JERSEY.
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY.   
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY.
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY.  
  OCEAN COUNTY IN SOUTHERN NEW 
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY.
  BURLINGTON COUNTY IN SOUTHERN NEW JERSEY.

* UNTIL 430 PM EST.

* AT 323 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS... ALONG A LINE EXTENDING FROM 6 MILES NORTH
  OF HOPEWELL TO 2 MILES SOUTHEAST OF SHILOH...MOVING NORTHEAST AT 20
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  TURNERSVILLE...PENNINGTON...HOPEWELL...CHERRY HILL AT 335 PM.
  ROSENHAYN...LINDENWOLD...EWING...CLAYTON AT 340 PM.
  WILLINGBORO...MILLVILLE AT 345 PM.

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

$$
LAT...LON 3946 7445 3935 7537 3996 7511 4009 7484
          4026 7489 4051 7448 4045 7411

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 2:49 PM ESTSpecial Marine WarningPHI116 min
Oct 27, 3:23 PM ESTTornado WarningPHIHunterdon, Somerset52 min
Oct 27, 3:35 PM ESTSevere Thunderstorm WarningPHIMorris40 min
Oct 27, 3:46 PM ESTTornado WarningPHIMercer, Middlesex44 min
Oct 27, 4:02 PM ESTTornado WarningPHIMonmouth, Ocean58 min
Oct 27, 4:14 PM ESTSpecial Marine WarningPHI91 min
Oct 27, 4:25 PM ESTSevere Thunderstorm WarningPHIMonmouth, Ocean50 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2003Every 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.