Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly

June 14, 2008Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2008, 6:04 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 56 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 14, 2008, 6:04 PM EDT (22:04 UTC)
Expired
Jun 14, 2008, 7:00 PM EDT
In force
56 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 121 km from the middle of the area, began a volume at 22:07 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
Jun 14, 6:10 PM EDTTSTM WND DMGGreat Meadows-Vienna, NJTREES DOWN IN INDEPENDENCE TOWNSHIP.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.1 hours before the alert went out and 140 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 12:00Z on 2008-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2008-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
29 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1159 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
72 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 142204
SVRPHI
NJC027-037-041-142300-
/O.NEW.KPHI.SV.W.0067.080614T2204Z-080614T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
604 PM EDT SAT JUN 14 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
  SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
  EAST CENTRAL WARREN COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 700 PM EDT

* AT 602 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GREAT MEADOWS-VIENNA...OR ABOUT 29 MILES NORTHEAST OF BETHLEHEM...
  AND MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALLAMUCHY...ALLAMUCHY-PANTHER VALLEY AND HACKETTSTOWN BY 610 PM...
  GREENDELL AND BUDD LAKE BY 615 PM...
  ANDOVER AND STANHOPE BY 625 PM...
  HOPATCONG BY 630 PM...
  LAKE MOHAWK BY 635 PM...
  OGDENSBURG BY 645 PM...

THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS 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 4119 7436 4108 7449 4104 7449 4105 7444
      4101 7439 4101 7435 4100 7430 4096 7428
      4095 7428 4076 7501 4084 7505 4105 7485
      4129 7456
TIME...MOT...LOC 2204Z 235DEG 26KT 4088 7489

$$
 
TFG
1 follow-up statement
000 
WWUS51 KPHI 142236
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
636 PM EDT SAT JUN 14 2008

NJC041-142246-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-080614T2300Z/
WARREN NJ-
636 PM EDT SAT JUN 14 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARREN COUNTY IS
CANCELLED...

THE STORM HAS MOVED EAST OF THE COUNTY.

LAT...LON 4108 7449 4103 7449 4105 7444 4101 7440
      4100 7432 4099 7430 4095 7428 4082 7477
      4083 7477 4093 7477 4096 7471 4119 7443
      4119 7438
TIME...MOT...LOC 2236Z 235DEG 26KT 4084 7477

$$

NJC027-037-142300-
/O.CON.KPHI.SV.W.0067.000000T0000Z-080614T2300Z/
SUSSEX NJ-MORRIS NJ-
636 PM EDT SAT JUN 14 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHERN MORRIS AND SOUTHEASTERN SUSSEX COUNTIES...

AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS TO 60 MPH.  THIS STORM WAS
LOCATED NEAR BUDD LAKE...OR 30 MILES NORTHWEST OF NEW BRUNSWICK...
MOVING NORTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NETCONG...STANHOPE AND SUCCASUNNA BY 645 PM EDT...
  MOUNT ARLINGTON...WHARTON...HOPATCONG AND DOVER BY 655 PM EDT...
  WHITE MEADOW LAKE...LAKE TELEMARK AND ROCKAWAY BY 700 PM EDT...

IF YOU SEE THREATENING WEATHER, PLEASE HEAD INDOORS IMMEDIATELY.

LAT...LON 4108 7449 4103 7449 4105 7444 4101 7440
      4100 7432 4099 7430 4095 7428 4082 7477
      4083 7477 4093 7477 4096 7471 4119 7443
      4119 7438
TIME...MOT...LOC 2236Z 235DEG 26KT 4084 7477

$$
 
TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:56 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester79 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2008Every severe thunderstorm warning in 2008

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.