Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 150, NWS Philadelphia/Mount Holly

September 23, 20034 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 23, 2003, 9:05 AM EDT for 4 counties in New Jersey. It was in force for 70 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
Sep 23, 2003, 9:05 AM EDT (13:05 UTC)
Expired
Sep 23, 2003, 10:15 AM EDT
In force
70 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Atlantic County, NJ, Burlington County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 8 km from the middle of the area, began a volume at 13:07 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, 1.1 hours before the alert went out and 150 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 2003-09-23Temperature 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 km-30°-20°-10°0°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 2003-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -118 square meters per square second.19395878Sfc1 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
705 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-118 m²/s²
0-3 km storm-relative helicity
-69 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 231305
SVRPHI
NJC001-005-025-029-231415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
901 AM EDT TUE SEP 23 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY.
  OCEAN COUNTY IN SOUTHERN NEW JERSEY.
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY.
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY.

* UNTIL 1015 AM EDT.

* AT 857 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE LINE OF THUNDERSTORMS...ALONG A LINE EXTENDING FROM 4 MILES 
  EAST OF PRESIDENTIAL LAKES TO 4 MILES NORTH OF MAYS LANDING...     
  MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CEDAR GLEN LAKES...EGG HARBOR CITY AT 910 AM.
  POMONA AT 915 AM.
  LAKEHURST...PORT REPUBLIC AT 925 AM.
  HOLIDAY CITY AT 930 AM.
  WEST FREEHOLD AT 935 AM.
  PLEASANT PLAINS...LAKEWOOD...BEACHWOOD AT 940 AM.

THIS LINE OF STORMS HAS THE POTENTIAL OF PRODUCING STRONG GUSTY 
WINDS IN EXCESS OF 50 MPH. SEVERE THUNDERSTORMS ALSO HAVE THE 
POTENTIAL OF PRODUCE TORNADOES. THIS LINE OF STORMS HAS A HISTORY OF 
DOWNING TREES AND POWERLINES. 

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

$$

LAT...LON 3950 7490 3935 7460 3966 7429 4040 7403
          4033 7430

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 7:13 AM EDTSpecial Marine WarningPHI62 min
Sep 23, 7:54 AM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Somerset36 min
Sep 23, 8:01 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer44 min
Sep 23, 8:14 AM EDTTornado WarningPHIBurlington, Mercer31 min
Sep 23, 8:21 AM EDTSevere Thunderstorm WarningPHIMorris39 min
Sep 23, 8:26 AM EDTTornado WarningPHIMiddlesex, Monmouth49 min
Sep 23, 8:33 AM EDTSevere Thunderstorm WarningPHIMiddlesex, Somerset27 min
Sep 23, 8:40 AM EDTSpecial Marine WarningPHI65 min
Sep 23, 8:40 AM EDTSpecial Marine WarningPHI65 min
Sep 23, 9:48 AM EDTSpecial Marine WarningPHI72 min
Sep 23, 9:48 AM EDTSpecial Marine WarningPHI72 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.