Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 94, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 26, 1998, 6:39 PM EDT for Washington County, Pennsylvania. It was in force for 3 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 26, 1998, 6:39 PM EDT (22:39 UTC)
- Expired
- Jun 26, 1998, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Washington County, PA
The radar
The Pittsburgh radar (KPBZ), 38 km from the middle of the area, began a volume at 22:40 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, 10.7 hours before the alert went out and 28 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
- 3262 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 15.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 262239 FFWPIT OHC081-PAC125-WVC029-270130- BULLETIN - EAS ACTIVIATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 639 PM EDT FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * FLASH FLOOD WARNING FOR... WASHINGTON COUNTY IN SOUTHWESTERN PENNSYLVANIA. NORTHERN JEFFERSON COUNTY OH IN EAST CENTRAL OHIO. HANCOCK COUNTY IN NORTHERN WEST VIRGINIA. * UNTIL 930 PM EDT. * BETWEEN 5 AND 630 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT VERY HEAVY RAIN FELL ACROSS NORTHERN JEFFERSON COUNTY OHIO...HANCOCK COUNTY WEST VIRGINIA AND WASHINGTON COUNTY PENNSYLVANIA. * THUNDERSTORMS HAVE DUMPED UP TO 2.5 INCHES OF RAIN IN PARTS OF THE W ARNED AREA. MORE THUNDERSTORMS ARE MOVING INTO AREAS ALREADY SATURATED FROM THESE THUNDERSTORM RAINS. <<CALL TO ACTION>>MOVE TO HIGHER GROUND IF FLOOD WATERS THREATEN. .END/REHAK
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 26, 1:22 PM EDT, 5 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
122 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0117 PM WOODSFIELD OH 1 INCH HAIL
06/26/98 MONROELocal storm report, Jun 26, 1:22 PM EDT, 5 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
122 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0117 PM WOODSFIELD OH 1 INCH HAIL
06/26/98 MONROELocal storm report, Jun 26, 2:31 PM EDT, 4 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
231 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0222 PM DAYBROOK WV WIND DAMAGE
06/26/98 MONONGALIA LARGE TREE LIMBS DOWNLocal storm report, Jun 26, 3:17 PM EDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
317 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0240 PM MORGANTOWN WV WIND DAMAGE
06/26/98 MONONGALIA LARGE LIMBS DOWN
0300 PM TERRA ALTA WV WIND DAMAGE
06/26/98 PRESTON TREES DOWN
0315 PM FRIENDSVILLE MD WIND DAMAGE
06/26/98 GARRETT TREES DOWNLocal storm report, Jun 26, 3:55 PM EDT, 2 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
355 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM COUNTY-WIDE WV WIND DAMAGE
06/26/98 MARION TREES DOWN COUNTY-WIDE. A
COUPLE OF TREES FELL INTO
HOMES.Local storm report, Jun 26, 6:25 PM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
625 PM EDT FRI JUN 26 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0613 PM FINLEYVILLE PA WIND DAMAGE
06/26/98 WASHINGTON LARGE TREE LIMBS DOWNThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 2:35 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Jun 26, 5:14 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Jun 26, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 60 min |
| Jun 26, 5:57 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jun 26, 5:58 PM EDT | Tornado Warning | PBZ | Washington | 47 min |
| Jun 26, 7:18 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.