Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 161, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2008, 8:36 PM EDT for 5 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 54 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, 8:36 PM EDT (00:36 UTC)
- Expired
- Jul 23, 2008, 9:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Somerset County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 43 km from the middle of the area, began a volume at 00:35 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, 0.6 hours before the alert went out and 167 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 240037 SVRPHI NJC005-021-023-025-035-PAC017-240130- /O.NEW.KPHI.SV.W.0161.080724T0036Z-080724T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 836 PM EDT WED JUL 23 2008 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MERCER COUNTY IN CENTRAL NEW JERSEY... SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY... SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY... SOUTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY... SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA... NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY... * UNTIL 930 PM EDT * AT 835 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 WILLINGBORO...AND MOVING NORTHEAST AT 28 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BRISTOL AND JACKSONVILLE BY 845 PM... FLORENCE AND LEVITTOWN BY 850 PM... BORDENTOWN AND TRENTON BY 900 PM... WHITE HORSE AND CROSSWICKS BY 905 PM... MERCERVILLE-HAMILTON SQUARE AND ALLENTOWN 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 4052 7464 4025 7425 3995 7487 4013 7498 TIME...MOT...LOC 0036Z 223DEG 24KT 4005 7487 $$ IOVINO
The 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, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 31 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.