Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 68, NWS Philadelphia/Mount Holly

July 1, 2005Camden County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2005, 5:14 PM EDT for Camden County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 61 min. 2 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 1, 2005, 5:14 PM EDT (21:14 UTC)
Expired
Jul 1, 2005, 6:15 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Camden County, NJ, Gloucester County, NJ, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 21:14 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 1, 5:18 PM EDTHAIL 0.75Philadelphia, PAPENNY-SIZE HAIL.
Jul 1, 5:28 PM EDTTSTM WND DMG4 N Bellmawr, NJTREES AND WIRES DOWN AND SHINGLES OFF ROOFS IN CAMDEN.

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

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.2 hours before the alert went out and 101 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 012115
SVRPHI
NJC007-015-PAC101-012215-
/O.NEW.KPHI.SV.W.0068.050701T2114Z-050701T2215Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PHILADELPHIA IN SOUTHEAST PENNSYLVANIA
  NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF CAMDEN
  NORTH CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 615 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM ROXBOROUGH IN PHILADELPHIA 
  TO 7 MILES SOUTHWEST OF PHILADELPHIA TO 7 MILES WEST OF 
  WOODBURY. THIS LINE IS MOVING EAST AT 30 MPH AND HAS PRODUCED WIND
  DAMAGE IN CHESTER COUNTY.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PHILADELPHIA BY 525 PM EDT
  WOODBURY BY 610 PM EDT
  GLOUCESTER CITY...CAMDEN...BELLMAWR AND MAGNOLIA BY 615 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.

LAT...LON 4004 7499 3999 7507 3997 7503 3994 7503
      3990 7496 3979 7515 3997 7522 3998 7523
      3989 7524 3989 7524 3998 7526 4009 7500

$$

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, 4:56 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer49 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
Jul 1, 3:58 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery32 min
Jul 1, 4:18 PM EDTSevere Thunderstorm WarningPHIChester72 min
Jul 1, 4:45 PM EDTSevere Thunderstorm WarningPHIBucks60 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.