Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 33, NWS Philadelphia/Mount Holly

May 31, 2008Atlantic County, Cape May County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 31, 2008, 2:50 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 55 min. 2 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: May 31, 2008, 2:50 PM EDT (18:50 UTC)
Expired: May 31, 2008, 3:45 PM EDT
In force: 55 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), 78 km from the middle of the area, began a volume at 18:53 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

Time	Report	Where	Remark
May 31, 3:10 PM EDT	FUNNEL CLOUD	3 Ese Woodbine, NJ	A POSSIBLE FUNNEL CLOUD WAS REPORTED EAST OF WOODBINE.
May 31, 3:35 PM EDT	HAIL 0.5	Goshen, NJ	PEA TO DIME SIZE HAIL REPORTED IN GOSHEN.

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.

Issued	Product	Office	Lasted
May 31, 10:20 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.8 hours before the alert went out and 156 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: 395 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 690 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 311850
SVRPHI
NJC001-009-011-311945-
/O.NEW.KPHI.SV.W.0033.080531T1850Z-080531T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
250 PM EDT SAT MAY 31 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 345 PM EDT

* AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.  THIS STORM WAS LOCATED NEAR
  WOODBINE...OR ABOUT 17 MILES SOUTHEAST OF VINELAND...AND MOVING
  EAST AT 39 MPH. ALSO, ADDITION SEVERE THUNDERSTORMS WERE APPROACHING 
  FROM DELAWARE AND NORTHEAST MARYLAND.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SEAVILLE...CORBIN CITY...6 MILES NORTH OF SEA ISLE CITY AND 7 MILES
  SOUTH OF ENGLISH CREEK BY 300 PM...
  MARMORA AND SOMERS POINT BY 305 PM...
  OCEAN CITY BY 310 PM...
  LONGPORT AND 7 MILES SOUTH OF VENTNOR CITY BY 315 PM...
  8 MILES SOUTH OF ATLANTIC CITY BY 320 PM...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM SATURDAY AFTERNOON FOR
DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEASTERN
PENNSYLVANIA.

LAT...LON 3935 7441 3930 7455 3928 7454 3925 7460
      3900 7478 3893 7488 3892 7497 3899 7498
      3911 7490 3915 7490 3917 7492 3939 7475
      3940 7447 3939 7445 3939 7437
TIME...MOT...LOC 1850Z 270DEG 34KT 3924 7481

$$

RNS

1 follow-up statement

000 
WWUS51 KPHI 311932
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
331 PM EDT SAT MAY 31 2008

NJC001-009-011-311945-
/O.CON.KPHI.SV.W.0033.000000T0000Z-080531T1945Z/
CUMBERLAND NJ-CAPE MAY NJ-ATLANTIC NJ-
331 PM EDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN ATLANTIC...CAPE MAY AND EXTREME SOUTHEASTERN
CUMBERLAND COUNTIES...

AT 328 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 GREEN CREEK...OR 26 MILES SOUTH OF VINELAND...MOVING
EAST AT 48 MPH. ADDITIONAL THUNDERSTORMS WERE ALSO MOVING OVER THE 
NORTHERN PART OF CAPE MAY COUNTY AND THE SOUTHERN PART OF ATLANTIC
COUNTY. THESE THUNDERSTORMS COULD ALSO BECOME SEVERE.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTH OF NORTH WILDWOOD AND 9 MILES SOUTH OF WOODBINE BY
  335 PM EDT...
  AVALON...SCOTCH BONNET...STONE HARBOR AND SEA ISLE CITY BY 340 PM
  EDT...
  7 MILES SOUTH OF SEAVILLE BY 345 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SATURDAY AFTERNOON
FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.

LAT...LON 3935 7441 3930 7455 3928 7454 3925 7460
      3900 7478 3893 7488 3892 7497 3899 7498
      3911 7490 3915 7490 3917 7492 3939 7475
      3940 7447 3939 7445 3939 7437
TIME...MOT...LOC 1931Z 267DEG 42KT 3909 7489

$$

RNS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 1:18 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden	42 min
May 31, 1:45 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cumberland, Ocean	9 min
May 31, 1:50 PM EDT	Special Marine Warning	PHI		85 min
May 31, 1:57 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Ocean	34 min
May 31, 2:01 PM EDT	Special Marine Warning	PHI		59 min
May 31, 2:56 PM EDT	Special Marine Warning	PHI		94 min
May 31, 5:44 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	61 min
May 31, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	33 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2008 Every 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.