Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 104, NWS Philadelphia/Mount Holly

June 29, 2006Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2006, 10:42 PM EDT for Burlington County, New Jersey. It was in force for 48 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
Jun 29, 2006, 10:42 PM EDT (02:42 UTC)
Expired
Jun 29, 2006, 11:30 PM EDT
In force
48 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), 30 km from the middle of the area, began a volume at 02:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 4:44 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 191 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, Brookhaven, NY at 00:00Z on 2006-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 674 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, Brookhaven, NY at 00:00Z on 2006-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.19395878Sfc1 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
674 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 300242
SVRPHI
NJC005-300330-
/O.NEW.KPHI.SV.W.0104.060630T0242Z-060630T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1042 PM EDT THU JUN 29 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 1130 PM EDT

* AT 1041 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR MOUNT HOLLY...OR ABOUT 14 MILES SOUTH OF   
TRENTON...AND MOVING NORTHEAST AT 15 TO 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PEMBERTON HEIGHTS...MOORESTOWN-LENOLA...MEDFORD LAKES...FORT DIX
  AND COUNTRY LAKE ESTATES

LAT...LON 3999 7502 3970 7465 3985 7447 4014 7467

$$

JRP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 10:07 PM EDTSevere Thunderstorm WarningPHIMercer23 min
Jun 29, 10:11 PM EDTSevere Thunderstorm WarningPHIGloucester34 min
Jun 29, 10:25 PM EDTSevere Thunderstorm WarningPHIMiddlesex35 min
Jun 30, 6:28 PM EDTSevere Thunderstorm WarningPHISussex47 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.