Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly

July 1, 2005Burlington County, Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2005, 4:56 PM EDT for Burlington County, Mercer County, New Jersey. It was in force for 49 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 1, 2005, 4:56 PM EDT (20:56 UTC)
Expired
Jul 1, 2005, 5:45 PM EDT
In force
49 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Burlington County, NJ, Mercer County, NJ

The radar

The Philadelphia radar (KDIX), 43 km from the middle of the area, began a volume at 20:57 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, 8.9 hours before the alert went out and 141 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 2005-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 558 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 2005-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
558 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1029 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
40 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 012058
SVRPHI
NJC005-021-012145-
/O.NEW.KPHI.SV.W.0067.050701T2056Z-050701T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
456 PM EDT FRI JUL 1 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MERCER COUNTY IN CENTRAL NEW JERSEY
  THIS INCLUDES THE CITY OF TRENTON
  NORTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 545 PM EDT

* AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 8
  MILES WEST OF EWING AND MOVING EAST AT 35 MPH. NATIONAL WEATHER
  SERVICE DOPPLER RADAR SHOWED A LARGE AREA OF GREATER THAN 50 MPH
  WINDS MOVING THROUGH BUCKS COUNTY AND DAMAGING WINDS WERE REPORTED
  IN RICHBORO IN BUCKS COUNTY.


* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EWING BY 505 PM EDT
  LAWRENCEVILLE...TRENTON...WHITE HORSE AND BORDENTOWN BY 510 PM EDT
  MERCERVILLE-HAMILTON SQUARE BY 515 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

ANOTHER POSSIBLY SEVERE THUNDERSTORM WAS ALSO JUST EAST OF MEDFORD
AND WILL BE MOVING TOWARD PEMBERTON.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 4033 7464 4007 7460 4011 7482 4011 7475
      4014 7472 4017 7472 4025 7484 4030 7487
      4032 7491 4032 7491

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 2:48 PM EDTSpecial Weather StatementPHICape May72 min
Jul 1, 3:39 PM EDTSevere Thunderstorm WarningPHICamden51 min
Jul 1, 3:54 PM EDTSevere Thunderstorm WarningPHIBurlington66 min
Jul 1, 4:03 PM EDTSevere Thunderstorm WarningPHIMercer, Monmouth57 min
Jul 1, 4:07 PM EDTSevere Thunderstorm WarningPHISalem38 min
Jul 1, 4:25 PM EDTSevere Thunderstorm WarningPHIOcean65 min
Jul 1, 4:33 PM EDTSevere Thunderstorm WarningPHIMonmouth57 min
Jul 1, 5:14 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester61 min
Jul 1, 5:21 PM EDTTornado WarningPHIBurlington24 min
Jul 1, 5:30 PM EDTSevere Thunderstorm WarningPHIMonmouth75 min
Jul 1, 5:43 PM EDTSevere Thunderstorm WarningPHIBurlington62 min
Jul 1, 5:48 PM EDTSevere Thunderstorm WarningPHIOcean72 min
Jul 1, 6:26 PM EDTSpecial Marine WarningPHI94 min
Jul 1, 6:34 PM EDTSevere Thunderstorm WarningPHIMorris26 min
Jul 1, 7:18 PM EDTSpecial Marine WarningPHI57 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005Every severe thunderstorm warning in 2005

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.