Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 49, NWS Philadelphia/Mount Holly

June 8, 2008Morris County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2008, 8:33 PM EDT for Morris County, Warren County, New Jersey. It was in force for 42 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 8, 2008, 8:33 PM EDT (00:33 UTC)
Expired
Jun 8, 2008, 9:15 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Morris County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 114 km from the middle of the area, began a volume at 00:33 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 160 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 2008-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 606 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 00:00Z on 2008-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
606 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
244 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 090033
SVRPHI
NJC027-041-090115-
/O.NEW.KPHI.SV.W.0049.080609T0033Z-080609T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
833 PM EDT SUN JUN 8 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 915 PM EDT

* AT 828 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 6 MILES
  NORTH OF ALLAMUCHY-PANTHER VALLEY...OR ABOUT 36 MILES WEST OF
  PATERSON...AND MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES NORTHEAST OF HACKETTSTOWN BY 840 PM...
  BUDD LAKE BY 845 PM...
  SUCCASUNNA BY 850 PM...
  DOVER BY 855 PM...

LAT...LON 4091 7477 4091 7473 4090 7471 4090 7469
      4091 7465 4093 7464 4096 7464 4089 7448
      4078 7479 4101 7510 4102 7505 4108 7497
TIME...MOT...LOC 0033Z 303DEG 30KT 4098 7480

$$

KRUZDLO
2 follow-up statements
000 
WWUS51 KPHI 090050
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
849 PM EDT SUN JUN 8 2008

NJC027-041-090115-
/O.CON.KPHI.SV.W.0049.000000T0000Z-080609T0115Z/
WARREN NJ-MORRIS NJ-
849 PM EDT SUN JUN 8 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR WEST CENTRAL MORRIS AND EAST CENTRAL WARREN COUNTIES...

AT 841 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED NEAR NETCONG...MOVING SOUTHEAST AT 32 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUCCASUNNA BY 855 PM EDT...
  VICTORY GARDENS...DOVER AND WHARTON BY 900 PM EDT...  

LAT...LON 4091 7477 4091 7473 4090 7469 4091 7465
      4093 7464 4095 7464 4089 7448 4078 7479
      4093 7499 4101 7489
TIME...MOT...LOC 0049Z 307DEG 28KT 4090 7469

$$

KRUZDLO
000 
WWUS51 KPHI 090109
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
908 PM EDT SUN JUN 8 2008

NJC027-041-090115-
/O.CON.KPHI.SV.W.0049.000000T0000Z-080609T0115Z/
WARREN NJ-MORRIS NJ-
908 PM EDT SUN JUN 8 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR WEST CENTRAL MORRIS AND EAST CENTRAL WARREN COUNTIES...

AT 907 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS 
LOCATED NEAR SUCCASUNNA...MOVING SOUTHEAST AT 30 MPH.

LAT...LON 4078 7479 4085 7488 4091 7478 4091 7477
      4091 7473 4090 7471 4090 7469 4091 7465
      4094 7464 4089 7448
TIME...MOT...LOC 0108Z 313DEG 26KT 4081 7459

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:56 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.