Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 70, NWS Philadelphia/Mount Holly

July 1, 2005Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2005, 5:43 PM EDT for Burlington County, New Jersey. It was in force for 62 min. 1 report 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, 5:43 PM EDT (21:43 UTC)
Expired: Jul 1, 2005, 6:45 PM EDT
In force: 62 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 32 km from the middle of the area, began a volume at 21:44 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

Time	Report	Where	Remark
Jul 1, 6:00 PM EDT	TSTM WND DMG	Brown Mills, NJ	TREES DOWN.

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, 9.7 hours before the alert went out and 129 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 012144
SVRPHI
NJC005-012245-
/O.NEW.KPHI.SV.W.0070.050701T2143Z-050701T2245Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED
THE  

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 645 PM EDT

* AT 540 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 8 MILES NORTH OF WRIGHTSTOWN TO
  BEVERLY TO 9 MILES WEST OF MARLTON AND MOVING EAST AT 20 MPH. 
  TREES WERE BEING KNOCKED DOWN IN MAPLE SHADE AT 540 PM.


* SEVERE THUNDERSTORMS WILL BE NEAR...
  WILLINGBORO BY 600 PM EDT
  RIVERSIDE AND MARLTON BY 605 PM EDT
  BEVERLY BY 610 PM EDT
  WILLINGBORO BY 615 PM EDT
  MEDFORD BY 620 PM EDT
  MOUNT HOLLY BY 625 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.

THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE AND HAIL 
IN NORTHWEST BURLINGTON COUNTY AND PHILADELPHIA. THIS IS AN 
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4011 7459 4007 7457 3986 7454 3989 7495
      3994 7501 3998 7501 4005 7496 4007 7488
      4011 7482 4013 7461

$$

TFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 2:48 PM EDT	Special Weather Statement	PHI	Cape May	72 min
Jul 1, 3:39 PM EDT	Severe Thunderstorm Warning	PHI	Camden	51 min
Jul 1, 3:54 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	66 min
Jul 1, 4:03 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Monmouth	57 min
Jul 1, 4:07 PM EDT	Severe Thunderstorm Warning	PHI	Salem	38 min
Jul 1, 4:25 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	65 min
Jul 1, 4:33 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	57 min
Jul 1, 4:56 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer	49 min
Jul 1, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	61 min
Jul 1, 5:21 PM EDT	Tornado Warning	PHI	Burlington	24 min
Jul 1, 5:30 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	75 min
Jul 1, 5:48 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	72 min
Jul 1, 6:26 PM EDT	Special Marine Warning	PHI		94 min
Jul 1, 6:34 PM EDT	Severe Thunderstorm Warning	PHI	Morris	26 min
Jul 1, 7:18 PM EDT	Special Marine Warning	PHI		57 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005 Every 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.