Alert archive / Pennsylvania / Tornado Warnings in 1998
Tornado Warning 47, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Sep 27, 1998, 5:37 PM EDT for Armstrong County, Clarion County, Pennsylvania. It was in force for 43 min. 4 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
- Sep 27, 1998, 5:37 PM EDT (21:37 UTC)
- Expired
- Sep 27, 1998, 6:20 PM EDT
- In force
- 43 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Armstrong County, PA, Clarion County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 27, 5:43 PM EDT | Hail 0.75 | Templeton, PA | |
| Sep 27, 5:50 PM EDT | Hail 0.75 | Dayton, PA | |
| Sep 27, 5:50 PM EDT | Thunderstorm Wind | Dayton, PA | Thunderstorm winds downed several large tree limbs. |
| Sep 27, 5:55 PM EDT | Thunderstorm Wind | Elk City, PA | Thunderstorm winds destroyed a shed and blew the windows out of a house. Several trees were also downed. |
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 |
|---|---|---|---|
| Sep 27, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.6 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1444 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
744 WFUS1 KPIT 272138 RRA TORPIT PAC005-031-272221- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 537 PM EDT SUN SEP 27 1998 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * TORNADO WARNING FOR... ARMSTRONG COUNTY IN WESTERN PENNSYLVANIA. CLARION COUNTY IN WESTERN PENNSYLVANIA. * UNTIL 620 PM EDT. * AT 535 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR THE TOWN OF...NEAR EAST BRADY AND BRADYS BEND... MOVING EAST AT 45 MPH. * THE TORNADO WILL BE NEAR... WATTERSONVILLE AT 540 PM. KELLERSBURG AT 545 PM. NEW BETHLEHEM AT 555 PM. SOUTH BETHLEHEM AT 555 PM. <<CALL TO ACTION>>IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM AWAY FROM WINDOWS. .END/
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Sep 27, 5:10 PM EDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
510 PM EDT SUN SEP 27 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0450 PM GROVE CITY PA WIND DAMAGE
09/27/98 MERCER TREE DOWN
0450 PM GROVE CITY PA .75 INCH HAIL
09/27/98 MERCERLocal storm report, Sep 27, 5:10 PM EDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
510 PM EDT SUN SEP 27 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0450 PM GROVE CITY PA WIND DAMAGE
09/27/98 MERCER TREE DOWN
0450 PM GROVE CITY PA .75 INCH HAIL
09/27/98 MERCERThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 58 min |
| Sep 27, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 42 min |
| Sep 27, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 40 min |
| Sep 27, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Venango | 45 min |
| Sep 27, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 44 min |
| Sep 27, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 57 min |
Nearby
Tornado Warnings in Pennsylvania, 1998Every tornado warning in 1998Tornadoes in 1998
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.