Alert archive / Pennsylvania / Tornado Warnings in 2001
Tornado Warning 4, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Aug 19, 2001, 3:39 PM EDT for Forest County, Pennsylvania. It was in force for 51 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 19, 2001, 3:39 PM EDT (19:39 UTC)
- Expired
- Aug 19, 2001, 4:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Forest County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 3:55 PM EDT | Tornado F1 | Duhring, PA | An F1 tornado touched down just southwest of the town of Duhring. The tornado continued moving along a sporadic path to the northeast, exiting Forest County approximately 2 miles northeast of Duhring.As the tornado passed near Duhring it reached its maximum p |
| Aug 19, 4:00 PM EDT | Hail 1.75 | Duhring, PA | Golfball-sized hail was observed in Duhring. In addition, hail the size of nickels covered the ground. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 19, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.7 hours before the alert went out and 142 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
- 22 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
624 WFUS51 KPBZ 191939 TORPBZ PAC053-192030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 339 PM EDT SUN AUG 19 2001 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * TORNADO WARNING FOR... FOREST COUNTY IN PENNSYLVANIA * UNTIL 430 PM EDT * AT 339 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 8 MILES SOUTHWEST OF MARIENVILLE...MOVING NORTHEAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE... NEAR MARIENVILLE AT 345 PM... 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. EVACUATE MOBILE HOMES AND GET INSIDE A SUBSTANTIAL SHELTER.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 57 min |
| Aug 19, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 54 min |
| Aug 19, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 63 min |
| Aug 19, 4:07 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 53 min |
| Aug 19, 4:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 62 min |
| Aug 19, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
Nearby
Tornado Warnings in Pennsylvania, 2001Every tornado warning in 2001Tornadoes in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.