Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 184, NWS Philadelphia/Mount Holly

July 18, 2006Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2006, 9:14 PM EDT for Cumberland County, New Jersey. It was in force for 61 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: Jul 18, 2006, 9:14 PM EDT (01:14 UTC)
Expired: Jul 18, 2006, 10:15 PM EDT
In force: 61 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 01:18 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.

Issued	Product	Office	Lasted
Jul 18, 6:37 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.2 hours before the alert went out and 161 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: 2454 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 67 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 190114
SVRPHI
NJC011-190215-
/O.NEW.KPHI.SV.W.0184.060719T0114Z-060719T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
914 PM EDT TUE JUL 18 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF VINELAND

* UNTIL 1015 PM EDT

* AT 906 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 6 MILES
  NORTHWEST OF PORT NORRIS...OR ABOUT 14 MILES SOUTHWEST OF
  VINELAND...AND MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTH OF MILLVILLE BY 920 PM EDT...
  PORT NORRIS AND LAUREL LAKE BY 925 PM EDT...

WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY DEVELOP. IF A TORNADO 
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY 
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3939 7523 3921 7518 3920 7493 3941 7485
      3952 7502

$$

AMC/MPD

1 follow-up statement

000 
WWUS51 KPHI 190212
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1012 PM EDT TUE JUL 18 2006

NJC011-190222-
/O.EXP.KPHI.SV.W.0184.000000T0000Z-060719T0215Z/
CUMBERLAND NJ-
1012 PM EDT TUE JUL 18 2006

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CUMBERLAND COUNTY
EXPIRES AT 1015 PM EDT...

THUNDERSTORMS OVER CUMBERLAND COUNTY HAVE WEAKENED AND NO LONGER 
POSE A THREAT FOR SEVERE WEATHER.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR SOUTHWESTERN DELAWARE AND NORTHEASTERN MARYLAND
AND NORTHWESTERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.

LAT...LON 3939 7523 3921 7518 3920 7493 3941 7485
      3952 7502

$$

AMC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 8:19 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Ocean, Somerset	71 min
Jul 18, 8:27 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	63 min
Jul 18, 9:21 PM EDT	Special Marine Warning	PHI		84 min
Jul 18, 9:27 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	51 min
Jul 18, 9:37 PM EDT	Special Marine Warning	PHI		83 min
Jul 18, 9:58 PM EDT	Special Marine Warning	PHI		2 hr
Jul 18, 10:00 PM EDT	Severe Thunderstorm Warning	PHI	Cape May	60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.