Alert archive / Pennsylvania / Tornado Warnings in 2006
Tornado Warning 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Sep 28, 2006, 7:58 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 40 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 28, 2006, 7:58 PM EDT (23:58 UTC)
- Expired
- Sep 28, 2006, 8:38 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 00:03 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 |
|---|---|---|---|
| Sep 28, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 12.0 hours before the alert went out and 130 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
- 9 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KPHI 282359 TORPHI PAC011-077-290100- /O.NEW.KPHI.TO.W.0008.060928T2358Z-060929T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 758 PM EDT THU SEP 28 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA... LEHIGH COUNTY IN EASTERN PENNSYLVANIA... THIS INCLUDES THE CITY OF ALLENTOWN... * UNTIL 900 PM EDT * AT 754 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF ANCIENT OAKS...OR ABOUT 16 MILES WEST OF ALLENTOWN...MOVING NORTHEAST AT 40 MPH. * THE TORNADO IS WILL BE NEAR... 9 MILES NORTHWEST OF ANCIENT OAKS BY 805 PM EDT... SCHNECKSVILLE BY 815 PM EDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR NORTHWEST NEW JERSEY AND EASTERN PENNSYLVANIA. LAT...LON 4061 7587 4044 7571 4054 7540 4079 7563 $$ NIERENBERG
1 follow-up statement
000 WWUS51 KPHI 290038 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 836 PM EDT THU SEP 28 2006 PAC011-077-290046- /O.CAN.KPHI.TO.W.0008.000000T0000Z-060929T0100Z/ BERKS PA-LEHIGH PA- 836 PM EDT THU SEP 28 2006 ...THE TORNADO WARNING FOR LEHIGH AND NORTHEASTERN BERKS COUNTIES IS CANCELLED... THE THUNDERSTORM HAS WEAKENED IN LEHIGH COUNTY AND NO LONGER APPEARS TORNADIC. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING NORTHEASTERN PENNSYLVANIA. LAT...LON 4061 7587 4044 7571 4054 7540 4079 7563 $$ NIERENBERG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 94 min |
| Sep 28, 7:23 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 67 min |
| Sep 28, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 62 min |
| Sep 28, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 50 min |
Nearby
Tornado Warnings in Pennsylvania, 2006Every tornado warning in 2006Tornadoes in 2006
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.