Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 94, NWS Philadelphia/Mount Holly

June 29, 2006Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2006, 3:21 AM EDT for Gloucester County, New Jersey. It was in force for 24 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, 3:21 AM EDT (07:21 UTC)
Expired: Jun 29, 2006, 3:45 AM EDT
In force: 24 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 07:23 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, 3:43 AM EDT	TSTM WND DMG	5 Nw Glassboro, NJ	TREES AND WIRES DOWN FROM SOUTH HARRISON NORTHEAST THROUGH DEPTFORD TOWNSHIP

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.4 hours before the alert went out and 208 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: 1766 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 290722
SVRPHI
NJC015-290745-
/O.NEW.KPHI.SV.W.0094.060629T0721Z-060629T0745Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 345 AM EDT

* AT 317 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR BECKETT AND    
  MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GIBBSTOWN AND MULLICA HILL BY 330 AM EDT...


LAT...LON 3979 7508 3978 7509 3977 7507 3968 7532
      3973 7537 3978 7541 3985 7529 3984 7525
      3987 7519 3988 7515

$$

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 3:13 AM EDT	Severe Thunderstorm Warning	PHI	Salem	32 min
Jun 29, 3:56 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	34 min
Jun 29, 4:08 PM EDT	Special Marine Warning	PHI		37 min
Jun 29, 4:43 PM EDT	Special Marine Warning	PHI		32 min
Jun 29, 6:54 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex	36 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.