Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 140, NWS Philadelphia/Mount Holly

July 14, 2004Atlantic County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2004, 5:55 PM EDT for Atlantic County, Cumberland County, New Jersey. It was in force for 65 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 14, 2004, 5:55 PM EDT (21:55 UTC)
Expired
Jul 14, 2004, 7:00 PM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Atlantic County, NJ, Cumberland County, NJ

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 21:56 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.

What was reported inside it

TimeReportWhereRemark
Jul 14, 5:55 PM EDTHAIL 0.25Rosenhayn, NJ
Jul 14, 6:00 PM EDTFUNNEL CLOUDVineland, NJ
Jul 14, 6:15 PM EDTTSTM WND GST 58Estell Manor, NJSEVERAL TREES DOWN.
Jul 14, 6:20 PM EDTFUNNEL CLOUDMays Landing, NJ
Jul 14, 6:20 PM EDTTSTM WND DMGEstell Manor, NJTOWN OF DOROTHY. TREES DOWN ON HOMES. 5600 PEOPLE WITHOUT POWER.
Jul 14, 6:35 PM EDTTSTM WND DMGMargate City, NJLARGE TREES BLOWN INTO POWER LINES.
Jul 14, 6:38 PM EDTHAIL 0.25Estell Manor, NJ
Jul 14, 6:45 PM EDTHAIL 1.75Northfield, NJGOLF BALL SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 14, 12:50 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.9 hours before the alert went out and 109 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 2004-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2004-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
3 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
125 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 142155
SVRPHI
NJC001-011-142300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
555 PM EDT WED JUL 14 2004

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF ATLANTIC CITY
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF VINELAND

* UNTIL 700 PM EDT

* AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MILLVILLE...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MILLVILLE BY 600 PM EDT...
  VINELAND BY 605 PM EDT...
  ESTELL MANOR AND MAYS LANDING BY 625 PM EDT...
  SOMERS POINT BY 640 PM EDT...
  LONGPORT BY 645 PM EDT...
  VENTNOR CITY AND ABSECON BY 650 PM EDT...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3932 7521 3950 7519 3950 7515 3945 7509
      3950 7506 3949 7439 3947 7430 3942 7432
      3930 7452 3931 7459 3929 7473 3932 7486
      3930 7489 3930 7495

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:22 PM EDTSevere Thunderstorm WarningPHIHunterdon53 min
Jul 14, 3:20 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset55 min
Jul 14, 3:40 PM EDTFlash Flood WarningPHIHunterdon, Monmouth77 days
Jul 14, 4:15 PM EDTSevere Thunderstorm WarningPHISalem60 min
Jul 14, 4:19 PM EDTSevere Thunderstorm WarningPHISomerset56 min
Jul 14, 5:04 PM EDTSevere Thunderstorm WarningPHICumberland, Salem56 min
Jul 14, 5:10 PM EDTTornado WarningPHICumberland, Salem35 min
Jul 14, 5:17 PM EDTFlash Flood WarningPHISalem3 hr
Jul 14, 5:41 PM EDTSevere Thunderstorm WarningPHIBurlington64 min
Jul 14, 5:53 PM EDTSevere Thunderstorm WarningPHIMercer52 min
Jul 14, 7:07 PM EDTSevere Thunderstorm WarningPHICape May53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.