Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 77, NWS Philadelphia/Mount Holly

June 15, 2008Atlantic County, Cape May County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 15, 2008, 2:36 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 54 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 15, 2008, 2:36 PM EDT (18:36 UTC)
Expired
Jun 15, 2008, 3:30 PM EDT
In force
54 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 18:39 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.6 hours before the alert went out and 147 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, Wallops Is Stn, VA at 12:00Z on 2008-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 756 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, Wallops Is Stn, VA at 12:00Z on 2008-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
756 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
17 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 151836
SVRPHI
NJC001-009-011-151930-
/O.NEW.KPHI.SV.W.0077.080615T1836Z-080615T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
236 PM EDT SUN JUN 15 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 330 PM EDT

* AT 231 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
  ELDORA...OR ABOUT 15 MILES SOUTH OF VINELAND...AND MOVING EAST AT
  23 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WOODBINE...DENNISVILLE AND GOSHEN BY 250 PM...
  SEA ISLE CITY...SEAVILLE AND 6 MILES NORTH OF AVALON BY 305 PM...

IF YOU SEE THREATENING WEATHER, HEAD INDOORS IMMEDIATELY.

LAT...LON 3930 7451 3930 7455 3928 7454 3920 7464
      3907 7472 3895 7485 3892 7490 3892 7497
      3899 7498 3909 7491 3915 7490 3918 7495
      3918 7501 3920 7501 3935 7485 3933 7448
TIME...MOT...LOC 1836Z 291DEG 20KT 3924 7490

$$
 
TFG
1 follow-up statement
000 
WWUS51 KPHI 151853
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
253 PM EDT SUN JUN 15 2008

NJC011-151903-
/O.CAN.KPHI.SV.W.0077.000000T0000Z-080615T1930Z/
CUMBERLAND NJ-
253 PM EDT SUN JUN 15 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...

THE THUNDERSTORM HAS MOVED EAST OF THE COUNTY.

LAT...LON 3930 7451 3930 7455 3928 7455 3926 7459
      3922 7461 3920 7464 3907 7472 3901 7480
      3902 7482 3917 7486 3919 7488 3929 7483
      3933 7448
TIME...MOT...LOC 1853Z 287DEG 19KT 3923 7480

$$

NJC001-009-151930-
/O.CON.KPHI.SV.W.0077.000000T0000Z-080615T1930Z/
CAPE MAY NJ-ATLANTIC NJ-
253 PM EDT SUN JUN 15 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR SOUTH CENTRAL ATLANTIC AND CAPE MAY COUNTIES...

AT 251 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE 
HAIL...AND WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR 
WOODBINE...OR 19 MILES SOUTHEAST OF VINELAND...MOVING EAST AT 22 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES SOUTH OF CORBIN CITY BY 300 PM EDT...
  SEAVILLE...SEA ISLE CITY AND 8 MILES NORTH OF AVALON BY 310 PM
  EDT...
  MARMORA BY 315 PM EDT...
  OCEAN CITY BY 320 PM EDT...

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 3930 7451 3930 7455 3928 7455 3926 7459
      3922 7461 3920 7464 3907 7472 3901 7480
      3902 7482 3917 7486 3919 7488 3929 7483
      3933 7448
TIME...MOT...LOC 1853Z 287DEG 19KT 3923 7480

$$
 
TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:26 PM EDTSpecial Marine WarningPHI64 min
Jun 14, 8:35 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Somerset55 min
Jun 14, 8:38 PM EDTSevere Thunderstorm WarningPHIMonmouth52 min
Jun 14, 8:55 PM EDTFlash Flood WarningPHIMonmouth3 hr
Jun 14, 9:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean57 min
Jun 14, 9:25 PM EDTSpecial Marine WarningPHI65 min
Jun 14, 9:52 PM EDTSpecial Marine WarningPHI53 min
Jun 14, 9:56 PM EDTSevere Thunderstorm WarningPHICape May64 min
Jun 14, 10:42 PM EDTSpecial Marine WarningPHI63 min
Jun 15, 2:23 PM EDTSpecial Marine WarningPHI2 hr
Jun 15, 2:38 PM EDTSpecial Marine WarningPHI2 hr
Jun 15, 2:50 PM EDTSevere Thunderstorm WarningPHIMonmouth25 min
Jun 15, 3:40 PM EDTSpecial Marine WarningPHI95 min
Jun 15, 3:51 PM EDTSpecial Marine WarningPHI61 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.