Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 178, NWS Philadelphia/Mount Holly

July 18, 20064 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2006, 8:19 PM EDT for 4 counties in New Jersey. It was in force for 71 min. 12 reports 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 18, 2006, 8:19 PM EDT (00:19 UTC)
Expired
Jul 18, 2006, 9:30 PM EDT
In force
71 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 00:20 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

TimeReportWhereRemark
Jul 18, 8:37 PM EDTTSTM WND DMGNew Egypt, NJ75 MPH WIND GUST IN NEW EGYPT.
Jul 18, 8:37 PM EDTTSTM WND GST 75New Egypt, NJA 75 MPH THUNDERSTORM WIND GUST WAS REPORTED IN NEW EGYPT.
Jul 18, 8:37 PM EDTHAIL 0.88New Egypt, NJNICKEL SIZE HAIL IN NEW EGYPT.
Jul 18, 8:37 PM EDTHAIL 0.88New Egypt, NJNICKEL SIZE HAIL REPORTED IN NEW EGYPT.
Jul 18, 8:42 PM EDTTSTM WND DMGMillstone, NJWIRES DOWN.
Jul 18, 9:05 PM EDTTSTM WND DMG5 Ssw Colonia, NJ60 MPH WIND GUST IN EDISON.
Jul 18, 9:05 PM EDTTSTM WND DMG7 Nnw Lakehurst, NJTREES DOWN IN JACKSON TOWNSHIP.
Jul 18, 9:05 PM EDTTSTM WND DMG7 Nnw Lakehurst, NJTREES DOWN IN JACKSON TWP.
Jul 18, 9:05 PM EDTTSTM WND GST 605 Ssw Colonia, NJA 60 MPH THUNDERSTORM WIND GUST WAS REPORTED IN EDISON.
Jul 18, 9:06 PM EDTTSTM WND DMGBrielle, NJNUMEROUS TREES DOWN
Jul 18, 9:06 PM EDTTSTM WND DMGBrielle, NJNUMEROUS TREES REPORTED DOWN.
Jul 18, 9:15 PM EDTTSTM WND GST 55Belmar, NJA 55 MPH THUNDERSTORM WIND GUST WAS MEASURED AT THE BELMAR-FARMINGDALE AIRPORT.

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.

IssuedProductOfficeLasted
Jul 18, 6:37 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.3 hours before the alert went out and 152 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 2006-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1523 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 2006-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.193958Sfc1 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
1523 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1554 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 190021
SVRPHI
NJC023-025-029-035-190130-
/O.NEW.KPHI.SV.W.0178.060719T0019Z-060719T0130Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY
  MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
  THIS INCLUDES THE CITIES OF...PERTH AMBOY...NEW BRUNSWICK
  SOMERSET COUNTY IN NORTHERN NEW JERSEY
  OCEAN COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 930 PM EDT

* AT 816 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE   
  EXTENDING FROM 15 MILES NORTHWEST OF TRENTON TO 22 MILES SOUTHEAST 
  OF CAMDEN...AND MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROCKY HILL BY 835 PM EDT...
  MILLSTONE AND KENDALL PARK BY 840 PM EDT...
  ROOSEVELT...DAYTON...CLEARBROOK PARK AND CEDAR GLEN LAKES BY 845 PM
  EDT...
  NEW BRUNSWICK...SOMERSET AND SOCIETY HILL BY 850 PM EDT...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
THE LOWER DELAWARE VALLEY. THIS IS A DANGEROUS SITUATION. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

WIND DAMAGE MAY OCCUR WITH THE GUST FRONT WELL IN ADVANCE OF RAIN 
AND THUNDER.

LAT...LON 4047 7478 4026 7449 4015 7459 3978 7439
      3976 7409 4039 7397 4071 7472

$$

AMC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:27 PM EDTSevere Thunderstorm WarningPHIBurlington63 min
Jul 18, 9:14 PM EDTSevere Thunderstorm WarningPHICumberland61 min
Jul 18, 9:21 PM EDTSpecial Marine WarningPHI84 min
Jul 18, 9:27 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean51 min
Jul 18, 9:37 PM EDTSpecial Marine WarningPHI83 min
Jul 18, 9:58 PM EDTSpecial Marine WarningPHI2 hr
Jul 18, 10:00 PM EDTSevere Thunderstorm WarningPHICape May60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.