Alert archive / Pennsylvania / Tornado Warnings in 2008
Tornado Warning 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Sep 6, 2008, 6:11 PM EDT for Burlington County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 49 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
- Sep 6, 2008, 6:11 PM EDT (22:11 UTC)
- Expired
- Sep 6, 2008, 7:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 22:13 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
Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 204 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
- 756 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS51 KPHI 062211
TORPHI
NJC005-PAC017-101-062300-
/O.NEW.KPHI.TO.W.0009.080906T2211Z-080906T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
611 PM EDT SAT SEP 6 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* TORNADO WARNING FOR...
EXTREME SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHEASTERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 700 PM EDT
* AT 608 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
VERY HEAVY TROPICAL SHOWER CAPABLE OF PRODUCING A TORNADO NEAR
RIVERSIDE...OR 9 MILES EAST OF PHILADELPHIA...MOVING NORTHWEST AT
20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BEVERLY...WISSINOMING...TACONY...HOLMESBURG...ANDALUSIA AND
NORTHEAST PHILADELPHIA
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 3996 7501 4004 7512 4012 7499 4003 7488
3995 7500
TIME...MOT...LOC 2210Z 154DEG 17KT 4003 7498
$$
EBERWINEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 4:43 PM EDT | Areal Flood Warning | PHI | Morris, Sussex, Warren | 6 hr |
| Sep 6, 5:39 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer | 5 hr |
| Sep 6, 5:47 PM EDT | Areal Flood Warning | PHI | Hunterdon, Middlesex, Somerset | 5 hr |
| Sep 6, 6:41 PM EDT | Areal Flood Warning | PHI | Monmouth | 5 hr |
| Sep 6, 3:33 PM EDT | Areal Flood Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 6 hr |
| Sep 6, 4:22 PM EDT | Areal Flood Warning | PHI | Chester | 6 hr |
Nearby
Tornado Warnings in Pennsylvania, 2008Tornado Warnings in New Jersey, 2008Every tornado warning in 2008Tornadoes 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.