Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 154, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 16, 1998, 4:36 PM EDT for Allegheny County, Westmoreland County, Pennsylvania. It was in force for 54 min. 22 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 16, 1998, 4:36 PM EDT (20:36 UTC)
- Expired
- Jun 16, 1998, 5:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Allegheny County, PA, Westmoreland County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 16, 4:56 PM EDT | Thunderstorm Wind | Bethel Park, PA | Thunderstorm winds blew down several large tree limbs. |
| Jun 16, 4:59 PM EDT | Thunderstorm Wind 57 | Pittsburgh, PA | Carnegie Science Center recorded a wind gust to 66 MPH. |
| Jun 16, 5:07 PM EDT | Thunderstorm Wind | West Newton, PA | Thunderstorm winds blew several trees down. |
| Jun 16, 5:09 PM EDT | Thunderstorm Wind | Herminie, PA | Thunderstorm winds blew several trees down. |
| Jun 16, 5:10 PM EDT | Thunderstorm Wind | Churchill, PA | Thunderstorm winds blew a large tree down. |
| Jun 16, 5:10 PM EDT | Thunderstorm Wind | Wall, PA | Thunderstorm winds blew down/uprooted at least two dozen trees. A few of these trees fell onto houses, causing minor damage. Upper boxes on five railroad piggyback cars tipped over. |
| Jun 16, 5:12 PM EDT | Thunderstorm Wind | Oakmont, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:14 PM EDT | Thunderstorm Wind | Crafton, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:18 PM EDT | Thunderstorm Wind | Pittsburgh, PA | A large tree was blown down by thunderstorm winds. |
| Jun 16, 5:20 PM EDT | Thunderstorm Wind | Jeanette, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:21 PM EDT | Thunderstorm Wind | Greensburg, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:21 PM EDT | Thunderstorm Wind | Harrison City, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:23 PM EDT | Thunderstorm Wind 54 | New Kensington, PA | A private citizen recorded a 62 MPH thunderstorm gust. |
| Jun 16, 5:26 PM EDT | Thunderstorm Wind | Greensburg, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:27 PM EDT | Thunderstorm Wind | Manor, PA | Thunderstorm winds blew down several large trees. |
| Jun 16, 5:28 PM EDT | Thunderstorm Wind | Wilkinsburg, PA | Several power lines were blown down by thunderstorm winds. |
| Jun 16, 5:28 PM EDT | Tornado F0 | Bagdad, PA | A weak F0 tornado damaged shingles on one house and snapped/uprooted 30 to 40 trees. |
| Jun 16, 5:30 PM EDT | Thunderstorm Wind | Pittsburgh, PA | Thunderstorm winds blew down several trees and power lines. |
| Jun 16, 5:35 PM EDT | Thunderstorm Wind | Munhall, PA | Thunderstorm winds blew down a large tree. |
| Jun 16, 5:38 PM EDT | Thunderstorm Wind | Stahlstown, PA | Thunderstorm winds blew the roof and porch off of a house. Several trees were also blown down. |
| Jun 16, 5:40 PM EDT | Thunderstorm Wind | Turtle Creek, PA | Thunderstorm winds blew the roof off of a house. |
| Jun 16, 5:40 PM EDT | Thunderstorm Wind | Glenfield, PA | Several buildings received minor damage from thunderstorm winds. |
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 16, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.6 hours before the alert went out and 32 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
- 419 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 severe thunderstorm 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 16, 4:03 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
403 PM EDT TUE JUN 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0240 PM ZANESVILLE OH WIND DAMAGE
06/16/98 MUSKINGUM TREES DOWN COUNTYWIDE
0307 PM CAMBRIDGE OH WIND DAMAGE
06/16/98 GUERNSEY TREES DOWN COUNTYWIDE
0340 PM WOODSFIELD OH .75 INCH HAIL
06/16/98 MONROE
0400 PM CADIZ OH .75 INCH HAIL
06/16/98 HARRISONThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 8:13 PM EDT | Flash Flood Warning | PBZ | Muskingum, Noble | 3 hr |
| Jun 16, 2:40 PM EDT | Severe Thunderstorm Warning | PBZ | Muskingum | 58 min |
| Jun 16, 2:50 PM EDT | Flash Flood Warning | PBZ | Muskingum | 4 hr |
| Jun 16, 3:05 PM EDT | Flash Flood Warning | PBZ | Guernsey, Noble | 4 hr |
| Jun 16, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Noble | 57 min |
| Jun 16, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 59 min |
| Jun 16, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 59 min |
| Jun 16, 3:41 PM EDT | Flash Flood Warning | PBZ | Belmont, Monroe | 4 hr |
| Jun 16, 3:48 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison, Tuscarawas | 55 min |
| Jun 16, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 59 min |
| Jun 16, 4:48 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 60 min |
| Jun 16, 5:27 PM EDT | Flash Flood Warning | PBZ | Columbiana | 4 hr |
| Jun 16, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Greene, Washington | 60 min |
| Jun 16, 4:36 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 54 min |
| Jun 16, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 60 min |
| Jun 16, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 58 min |
| Jun 16, 6:16 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 44 min |
| Jun 16, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 59 min |
| Jun 16, 4:08 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 59 min |
| Jun 16, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia | 59 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1998Every severe thunderstorm warning 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.