Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 202, NWS Philadelphia/Mount Holly

August 2, 2008Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2008, 5:40 PM EDT for Ocean County, New Jersey. It was in force for 65 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
Aug 2, 2008, 5:40 PM EDT (21:40 UTC)
Expired
Aug 2, 2008, 6:45 PM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 21:43 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
Aug 2, 5:43 PM EDTTSTM WND DMGBrookville, NJTRAFFIC LIGHT AND WIRES DOWN IN OCEAN TWP.

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
Aug 2, 10:39 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 151 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 2008-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 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 2008-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
84 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1436 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
65 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 022140
SVRPHI
NJC029-022245-
/O.NEW.KPHI.SV.W.0202.080802T2140Z-080802T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
540 PM EDT SAT AUG 2 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 645 PM EDT

* AT 539 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
  BAMBER LAKE...OR ABOUT 9 MILES SOUTHWEST OF TOMS RIVER...AND MOVING
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEACHWOOD AND 7 MILES NORTHWEST OF FORKED RIVER BY 600 PM...
  TOMS RIVER AND 6 MILES SOUTHEAST OF PLEASANT PLAINS BY 605 PM...
  SEASIDE HEIGHTS BY 620 PM...
  MANTOLOKING BY 635 PM...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
SOUTHEASTERN PENNSYLVANIA.

LAT...LON 4003 7404 4000 7403 3978 7408 3978 7412
      3980 7413 3982 7410 3991 7409 3992 7409
      3989 7412 3985 7412 3977 7418 3976 7437
      3992 7446 4008 7404 4007 7402
TIME...MOT...LOC 2140Z 246DEG 17KT 3987 7432

$$

MPD
2 follow-up statements
000 
WWUS51 KPHI 022206
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
606 PM EDT SAT AUG 2 2008

NJC029-022245-
/O.CON.KPHI.SV.W.0202.000000T0000Z-080802T2245Z/
OCEAN NJ-
606 PM EDT SAT AUG 2 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR EAST CENTRAL OCEAN COUNTY...

AT 605 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A COMPLEX OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LAVALLETTE TO 
WARETOWN...OR ALONG A LINE EXTENDING FROM TOMS RIVER TO 13 MILES 
SOUTH OF TOMS RIVER...MOVING EAST AT 27 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL EASTERN OCEAN COUNTY AT 620 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA.

LAT...LON 3978 7408 3978 7412 3980 7413 3982 7410
      3992 7409 3989 7412 3985 7412 3977 7418
      3977 7427 3988 7417 4000 7410 4002 7407
      4000 7407 4003 7404 4000 7403
TIME...MOT...LOC 2206Z 283DEG 23KT 3996 7407 3977 7421

$$

MPD
000 
WWUS51 KPHI 022239
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
639 PM EDT SAT AUG 2 2008

NJC029-022249-
/O.EXP.KPHI.SV.W.0202.000000T0000Z-080802T2245Z/
OCEAN NJ-
639 PM EDT SAT AUG 2 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OCEAN COUNTY WILL
EXPIRE AT 645 PM EDT...

THE THREAT FOR SEVERE WEATHER HAS DIMINISHED. THE WARNING HAS BEEN
ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA.

LAT...LON 3978 7408 3978 7412 3980 7413 3982 7410
      3992 7409 3989 7412 3985 7412 3977 7418
      3977 7427 3988 7417 4000 7410 4002 7407
      4000 7407 4003 7404 4000 7403
TIME...MOT...LOC 2239Z 283DEG 23KT 3991 7380 3972 7394

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 6:55 AM EDTSpecial Marine WarningPHI65 min
Aug 2, 7:20 AM EDTSpecial Marine WarningPHI115 min
Aug 2, 7:40 AM EDTSevere Thunderstorm WarningPHICape May65 min
Aug 2, 8:08 AM EDTSevere Thunderstorm WarningPHIAtlantic52 min
Aug 2, 8:31 AM EDTSpecial Marine WarningPHI119 min
Aug 2, 9:22 AM EDTSpecial Marine WarningPHI24 min
Aug 2, 10:51 AM EDTAreal Flood AdvisoryPHISussex, Warren3 hr
Aug 2, 11:31 AM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset59 min
Aug 2, 12:06 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset54 min
Aug 2, 12:54 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth66 min
Aug 2, 1:22 PM EDTSpecial Marine WarningPHI53 min
Aug 2, 4:35 PM EDTSevere Thunderstorm WarningPHIBurlington55 min
Aug 2, 5:50 PM EDTSevere Thunderstorm WarningPHIWarren55 min
Aug 2, 5:58 PM EDTSpecial Marine WarningPHI62 min
Aug 2, 6:19 PM EDTSevere Thunderstorm WarningPHISussex, Warren56 min
Aug 2, 6:35 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren26 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.