Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 102, NWS Philadelphia/Mount Holly

June 29, 2006Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2006, 10:11 PM EDT for Gloucester County, New Jersey. It was in force for 34 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: Jun 29, 2006, 10:11 PM EDT (02:11 UTC)
Expired: Jun 29, 2006, 10:45 PM EDT
In force: 34 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 02:12 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
Jun 29, 10:30 PM EDT	HAIL 1	1 S Turnersville, NJ	NICKEL TO QUARTER SIZE HAIL IN WASHINGTON TOWNSHIP

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.

Issued	Product	Office	Lasted
Jun 29, 4:44 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.2 hours before the alert went out and 198 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: 1851 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 567 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 300212
SVRPHI
NJC015-300245-
/O.NEW.KPHI.SV.W.0102.060630T0211Z-060630T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1011 PM EDT THU JUN 29 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 1045 PM EDT

* AT 1011 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
  MULLICA HILL...OR ABOUT 14 MILES EAST OF WILMINGTON...AND MOVING
  EAST AT 15 TO 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GLASSBORO AND 6 MILES SOUTH OF WOODBURY BY 1030 PM EDT...
  6 MILES NORTH OF CLAYTON BY 1035 PM EDT...
  TURNERSVILLE BY 1040 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...OCCASIONAL TO 
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 
MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE 
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH 
TO BE STRUCK BY LIGHTNING.

LAT...LON 3978 7539 3957 7506 3960 7504 3961 7493
      3986 7516

$$

JRP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 10:07 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	23 min
Jun 29, 10:25 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex	35 min
Jun 29, 10:42 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	48 min
Jun 30, 6:28 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	47 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006 Every severe thunderstorm warning in 2006

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.