Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 195, NWS Philadelphia/Mount Holly

August 2, 2008Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2008, 8:08 AM EDT for Atlantic County, New Jersey. It was in force for 52 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
Aug 2, 2008, 8:08 AM EDT (12:08 UTC)
Expired
Aug 2, 2008, 9:00 AM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 12:12 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, 0.1 hours before the alert went out and 178 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 2008-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1936 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 2008-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.19395878Sfc1 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
1936 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1225 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 021208
SVRPHI
NJC001-021300-
/O.NEW.KPHI.SV.W.0195.080802T1208Z-080802T1300Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 900 AM EDT

* AT 803 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR CORBIN CITY...OR ABOUT 17
  MILES SOUTHWEST OF ATLANTIC CITY...AND MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SOMERS POINT AND ENGLISH CREEK BY 815 AM...
  LONGPORT BY 820 AM...
  VENTNOR CITY BY 825 AM...
  ATLANTIC CITY AND ABSECON BY 830 AM...
  BRIGANTINE BY 835 AM...

NUMEROUS CLOUD TO GROUND LIGHTNING STRIKES AND SMALL HAIL ARE ALSO 
POSSIBLE WITH THIS STORM.

LAT...LON 3939 7436 3929 7453 3930 7456 3930 7464
      3928 7467 3928 7473 3929 7475 3934 7482
      3953 7442 3949 7439 3948 7435 3947 7435
      3945 7431
TIME...MOT...LOC 1207Z 233DEG 33KT 3926 7468

$$

JJM

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, 8:31 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, 5:40 PM EDTSevere Thunderstorm WarningPHIOcean65 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.