Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 73, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 2, 1998, 6:35 PM EDT for Allegheny County, Westmoreland County, Pennsylvania. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1998, 6:35 PM EDT (22:35 UTC)
- Expired
- Jun 2, 1998, 9:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Allegheny County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 45 km from the middle of the area, began a volume at 22:37 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 nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.6 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
- 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 flash flood 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, 5:18 PM EDT, 1 hour 17 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, 5:52 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
552 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0517 PM FREDERICKTOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0525 PM MONACA PA .75 INCH HAIL
06/02/98 BEAVER
0528 PM CONWAY PA 1 INCH HAIL
06/02/98 BEAVER
0542 PM SHIPPINGPORT PA .75 INCH HAIL
06/02/98 BEAVER
0542 PM MONACA PA WIND DAMAGE
06/02/98 BEAVER LARGE TREE KNOCKED DOWN.
0547 PM INGOMAR PA 1 INCH HAIL
06/02/98 ALLEGHENY
0550 PM WEXFORD PA 1 INCH HAIL
06/02/98 ALLEGHENYLocal storm report, Jun 2, 5:52 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
552 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0517 PM FREDERICKTOWN OH 1 INCH HAIL
06/02/98 COLUMBIANA
0525 PM MONACA PA .75 INCH HAIL
06/02/98 BEAVER
0528 PM CONWAY PA 1 INCH HAIL
06/02/98 BEAVER
0542 PM SHIPPINGPORT PA .75 INCH HAIL
06/02/98 BEAVER
0542 PM MONACA PA WIND DAMAGE
06/02/98 BEAVER LARGE TREE KNOCKED DOWN.
0547 PM INGOMAR PA 1 INCH HAIL
06/02/98 ALLEGHENY
0550 PM WEXFORD PA 1 INCH HAIL
06/02/98 ALLEGHENYLocal storm report, Jun 2, 6:16 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
616 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0525 PM SHIPPINGPORT PA WIND DAMAGE
06/02/98 BEAVER LARGE TREES KNOCKED DOWN.
0555 PM WILDWOOD PA .75 INCH HAIL
06/02/98 ALLEGHENY
0556 PM ETNA PA .75 INCH HAIL
06/02/98 ALLEGHENY
0605 PM PITTSBURGH PA TORNADO
06/02/98 ALLEGHENY MOUNT WASHINGTON SECTION.
ROOF OFF BUILDING. LARGE
TREES AND POWER LINES
KNOCKED DOWN.
0610 PM VERONA PA .75 INCH HAIL
06/02/98 ALLEGHENY
0615 PM PLEASANT HILLS PA .75 INCH HAIL
06/02/98 ALLEGHENYLocal storm report, Jun 2, 6:16 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
616 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0525 PM SHIPPINGPORT PA WIND DAMAGE
06/02/98 BEAVER LARGE TREES KNOCKED DOWN.
0555 PM WILDWOOD PA .75 INCH HAIL
06/02/98 ALLEGHENY
0556 PM ETNA PA .75 INCH HAIL
06/02/98 ALLEGHENY
0605 PM PITTSBURGH PA TORNADO
06/02/98 ALLEGHENY MOUNT WASHINGTON SECTION.
ROOF OFF BUILDING. LARGE
TREES AND POWER LINES
KNOCKED DOWN.
0610 PM VERONA PA .75 INCH HAIL
06/02/98 ALLEGHENY
0615 PM PLEASANT HILLS PA .75 INCH HAIL
06/02/98 ALLEGHENYLocal storm report, Jun 2, 6:21 PM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
621 PM EDT TUE JUN 02 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0605 PM PITTSBURGH PA .75 INCH HAIL
06/02/98 ALLEGHENY EAST LIBERTY SECTION.
0610 PM IRWIN PA .75 INCH HAIL
06/02/98 WESTMORELANDThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 3:50 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 60 min |
| Jun 2, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 60 min |
| Jun 2, 4:52 PM EDT | Tornado Warning | PBZ | Columbiana | 53 min |
| Jun 2, 6:49 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 56 min |
| Jun 2, 7:47 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 43 min |
| 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, 5:25 PM EDT | Tornado Warning | PBZ | Beaver | 45 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, 6:36 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
Flash Flood Warnings in Pennsylvania, 1998Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.