Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 162, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2008, 8:44 PM EDT for Burlington County, Camden County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 31 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
- Jul 23, 2008, 8:44 PM EDT (00:44 UTC)
- Expired
- Jul 23, 2008, 9:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Camden County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 00:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 23, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.7 hours before the alert went out and 215 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.
- Mixed-layer CAPE
- 2352 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 240045
SVRPHI
NJC005-007-PAC017-101-240130-
/O.NEW.KPHI.SV.W.0162.080724T0044Z-080724T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
844 PM EDT WED JUL 23 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME SOUTH CENTRAL BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
EASTERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
WEST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 930 PM EDT
* AT 842 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
MAGNOLIA...AND MOVING NORTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHERRY HILL...GREENTREE AND SPRINGDALE BY 850 PM...
MARLTON BY 855 PM...
MOUNT LAUREL AND PALMYRA BY 900 PM...
HOLMESBURG BY 905 PM...
RIVERSIDE AND ANDALUSIA BY 910 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 1000 PM WEDNESDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
LAT...LON 3973 7499 3978 7508 3979 7507 3980 7509
3983 7509 3985 7510 3988 7514 3988 7516
4014 7502 4013 7499 3990 7484
TIME...MOT...LOC 0044Z 208DEG 29KT 3985 7503
$$
IOVINO1 follow-up statement
000
WWUS51 KPHI 240115
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
915 PM EDT WED JUL 23 2008
NJC005-007-PAC017-101-240125-
/O.CAN.KPHI.SV.W.0162.000000T0000Z-080724T0130Z/
CAMDEN NJ-PHILADELPHIA PA-BUCKS PA-BURLINGTON NJ-
915 PM EDT WED JUL 23 2008
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BURLINGTON...
EXTREME SOUTH CENTRAL BUCKS...EASTERN PHILADELPHIA AND NORTHWESTERN
CAMDEN COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM HAS MOVED AWAY FROM THE AFFECTED AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3973 7499 3978 7508 3979 7507 3980 7508
3983 7509 3985 7510 3988 7514 3988 7516
4014 7502 4013 7499 3990 7484
TIME...MOT...LOC 0115Z 208DEG 29KT 4007 7488
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 45 min |
| Jul 23, 8:24 PM EDT | Areal Flood Advisory | PHI | Camden, Gloucester | 3 hr |
| Jul 23, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Somerset | 54 min |
| Jul 23, 8:49 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 1 more | 3 hr |
| Jul 23, 11:31 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 78 min |
| Jul 24, 1:20 AM EDT | Special Marine Warning | PHI | 55 min | |
| Jul 23, 10:49 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 107 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Severe Thunderstorm Warnings in Pennsylvania, 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.