Alert archive / Pennsylvania / Tornado Warnings in 1998
Tornado Warning 7, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Jun 2, 1998, 5:25 PM EDT for Beaver County, Pennsylvania. It was in force for 45 min. 6 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
- Jun 2, 1998, 5:25 PM EDT (21:25 UTC)
- Expired
- Jun 2, 1998, 6:10 PM EDT
- In force
- 45 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Beaver County, PA
The radar
The Pittsburgh radar (KPBZ), 20 km from the middle of the area, began a volume at 21:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 2, 5:25 PM EDT | Thunderstorm Wind | Shippingport, PA | |
| Jun 2, 5:25 PM EDT | Hail 0.75 | Monaca, PA | |
| Jun 2, 5:28 PM EDT | Hail 1 | Conway, PA | |
| Jun 2, 5:30 PM EDT | Tornado F1 | Shippingport, PA | |
| Jun 2, 5:42 PM EDT | Hail 0.75 | Shippingport, PA | |
| Jun 2, 5:42 PM EDT | Thunderstorm Wind | Monaca, PA | Thunderstorm winds blew a large tree down. |
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 |
|---|---|---|---|
| Jun 2, 4:15 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.4 hours before the alert went out and 37 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
- 158 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jun 2, 4:39 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
439 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0425 PM NORTH GEORGETOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0435 PM SALEM OH .88 INCH HAIL
06/02/98 COLUMBIANALocal storm report, Jun 2, 4:39 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
439 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0425 PM NORTH GEORGETOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0435 PM SALEM OH .88 INCH HAIL
06/02/98 COLUMBIANALocal storm report, Jun 2, 4:54 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
454 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0425 PM NORTH GEORGETOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0435 PM SALEM OH .88 INCH HAIL
06/02/98 COLUMBIANA
0437 PM SHARPSVILLE PA .88 INCH HAIL
06/02/98 MERCER
0442 PM SALEM OH 1.13 INCH HAIL
06/02/98 COLUMBIANA
0450 PM SALEM OH FLOODING
06/02/98 COLUMBIANA STREET FLOODINGLocal storm report, Jun 2, 4:54 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
454 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0425 PM NORTH GEORGETOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0435 PM SALEM OH .88 INCH HAIL
06/02/98 COLUMBIANA
0437 PM SHARPSVILLE PA .88 INCH HAIL
06/02/98 MERCER
0442 PM SALEM OH 1.13 INCH HAIL
06/02/98 COLUMBIANA
0450 PM SALEM OH FLOODING
06/02/98 COLUMBIANA STREET FLOODINGLocal storm report, Jun 2, 5:18 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
518 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0505 PM OIL CITY PA .75 INCH HAIL
06/02/98 VENANGO
0508 PM COOPERSTOWN PA 1 INCH HAIL
06/02/98 VENANGOLocal storm report, Jun 2, 5:18 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
518 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0505 PM OIL CITY PA .75 INCH HAIL
06/02/98 VENANGO
0508 PM COOPERSTOWN PA 1 INCH HAIL
06/02/98 VENANGOThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 4:33 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 57 min |
| Jun 2, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 56 min |
| Jun 2, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 63 min |
| Jun 2, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 58 min |
| Jun 2, 5:29 PM EDT | Tornado Warning | PBZ | Allegheny | 51 min |
| Jun 2, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 50 min |
| Jun 2, 5:50 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 55 min |
| Jun 2, 5:54 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 51 min |
| Jun 2, 6:09 PM EDT | Tornado Warning | PBZ | Westmoreland | 61 min |
| Jun 2, 6:13 PM EDT | Tornado Warning | PBZ | Allegheny | 27 min |
| Jun 2, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 60 min |
| Jun 2, 6:25 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 65 min |
| Jun 2, 6:35 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 2 hr |
| Jun 2, 6:36 PM EDT | Tornado Warning | PBZ | Jefferson | 59 min |
| Jun 2, 6:45 PM EDT | Tornado Warning | PBZ | Fayette | 45 min |
| Jun 2, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 57 min |
| Jun 2, 6:56 PM EDT | Tornado Warning | PBZ | Indiana | 34 min |
| Jun 2, 6:58 PM EDT | Tornado Warning | PBZ | Beaver, Lawrence | 62 min |
| Jun 2, 7:05 PM EDT | Tornado Warning | PBZ | Allegheny, Butler | 70 min |
| Jun 2, 7:14 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 61 min |
| Jun 2, 7:15 PM EDT | Flash Flood Warning | PBZ | Beaver | 105 min |
| Jun 2, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 62 min |
| Jun 2, 7:40 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 2 hr |
| Jun 2, 7:53 PM EDT | Tornado Warning | PBZ | Westmoreland | 67 min |
| Jun 2, 7:57 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 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; radar from the NEXRAD Level II archive.