Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 20, NWS Philadelphia/Mount Holly

May 28, 2005Camden County, Gloucester County, Salem County, New Jersey; Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 28, 2005, 3:46 PM EDT for Camden County, Gloucester County, Salem County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 44 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
May 28, 2005, 3:46 PM EDT (19:46 UTC)
Expired
May 28, 2005, 4:30 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 19:46 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, 7.8 hours before the alert went out and 218 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 2005-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 2005-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939587897Sfc1 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
6 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
1813 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
132 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 281947
SVRPHI
NJC007-015-033-PAC101-282030-
/O.NEW.KPHI.SV.W.0020.050528T1946Z-050528T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
346 PM EDT SAT MAY 28 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA
  NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF CAMDEN
  NORTHERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY
  NORTH CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 430 PM EDT

* AT 343 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
  AND SCATTERED THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THESE SHOWERS AND STORMS WAS LOCATED NEAR WOODSTOWN...OR ABOUT 8
  MILES SOUTHEAST OF WILMINGTON...AND MOVING NORTHEAST AT 40 MPH. IN ADDITION
  GUST FRONTS AHEAD OF THE SHOWERS AND STORMS COULD ALSO PRODUCE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MULLICA HILL AND GIBBSTOWN BY 355 PM EDT
  WOODBURY BY 405 PM EDT
  TURNERSVILLE...BELLMAWR...GLOUCESTER CITY AND CAMDEN BY 410 PM EDT
  LINDENWOLD...MAGNOLIA AND BERLIN BY 415 PM EDT

LAT...LON 3999 7507 3997 7503 3994 7503 3990 7496
      3979 7491 3962 7534 3977 7543 3985 7532
      3984 7525 3987 7524 3988 7526 4002 7504

$$

RNS/MJG
1 follow-up statement
000 
WWUS51 KPHI 282007
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
405 PM EDT SAT MAY 28 2005

NJC033-282015-
/O.CAN.KPHI.SV.W.0020.000000T0000Z-050528T2030Z/
SALEM NJ-
405 PM EDT SAT MAY 28 2005

...THE SEVERE THUNDERSTORM WARNING FOR SALEM COUNTY IS CANCELLED...

THE STORMS MOVED OUT OF THE REGION.

LAT...LON 4002 7507 3998 7504 3995 7504 3991 7497
      3979 7491 3973 7513 3985 7532 3986 7533
      3985 7526 3996 7515 3989 7527 4003 7505

$$

NJC007-015-PAC101-282030-
/O.CON.KPHI.SV.W.0020.000000T0000Z-050528T2030Z/
CAMDEN NJ-GLOUCESTER NJ-PHILADELPHIA PA-
405 PM EDT SAT MAY 28 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 430 PM EDT FOR
SOUTHERN PHILADELPHIA...NORTH CENTRAL GLOUCESTER AND NORTHWESTERN
CAMDEN COUNTIES...

AT 400 PM EDT...THE OFFICIAL WEATHER OBSERVER AT THE PHILADELPHIA
INTERNATIONAL AIRPORT REPORTED A SEVERE THUNDERSTORM PRODUCING 
WIND GUSTS OF 69 MPH. THIS STORM WAS LOCATED NEAR PAULSBORO...OR ABOUT
12 MILES SOUTHWEST OF CAMDEN...MOVING NORTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NATIONAL PARK AND WOODBURY BY 410 PM EDT
  BROOKLAWN AND WESTVILLE BY 415 PM EDT
  WOODLYNNE...GLOUCESTER CITY...OAKLYN AND AUDUBON PARK BY 420 PM EDT
  CAMDEN BY 425 PM EDT

LAT...LON 4002 7507 3998 7504 3995 7504 3991 7497
      3979 7491 3973 7513 3985 7532 3986 7533
      3985 7526 3996 7515 3989 7527 4003 7505

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 2:53 PM EDTSpecial Marine WarningPHI97 min
May 28, 4:10 PM EDTSevere Thunderstorm WarningPHIBurlington50 min
May 28, 4:15 PM EDTSevere Thunderstorm WarningPHIMercer30 min
May 28, 4:27 PM EDTTornado WarningPHIBurlington33 min
May 28, 4:36 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean54 min
May 28, 4:41 PM EDTTornado WarningPHIBurlington22 min
May 28, 4:45 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Somerset45 min
May 28, 4:56 PM EDTSevere Thunderstorm WarningPHIAtlantic36 min
May 28, 5:03 PM EDTSpecial Marine WarningPHI42 min
May 28, 5:42 PM EDTSpecial Marine WarningPHI63 min
May 28, 5:46 PM EDTSevere Thunderstorm WarningPHIOcean29 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005Severe Thunderstorm Warnings in Pennsylvania, 2005Every severe thunderstorm warning in 2005

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.