Alert archive / Pennsylvania / Flash Flood Warnings in 1997
Flash Flood Warning 40, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at May 25, 1997, 7:55 PM EDT for Fayette County, Pennsylvania. It was in force for 8 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
- May 25, 1997, 7:55 PM EDT (23:55 UTC)
- Expired
- May 26, 1997, 4:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Fayette County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 67 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
- 114 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 252351 FFWPIT PAC003-005-007-019-051-063-125-129-WVC009-260800- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 755 PM EDT SUN MAY 25 1997 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 400 AM EDT FOR THE FOLLOWING LOCATIONS... IN WEST PENNSYLVANIA ...ALLEGHENY COUNTY...ARMSTRONG COUNTY...BEAVER COUNTY ...BUTLER COUNTY...FAYETTE COUNTY...INDIANA COUNTY ...WASHINGTON COUNTY...WESTMORELAND COUNTY IN THE WEST VIRGINIA PANHANDLE ...BROOKE COUNTY AT 755 PM EDT DOPPLER WEATHER RADAR INDICATED RAIN...MOSTLY LIGHT...CONTINUING ACROSS THE WARNED AREA. THIS RAINFALL... HOWEVER...WILL STILL CAUSE ADDITIONAL RUNOFF THIS EVENING THAT WILL PROLONG THE WIDESPREAD FLOOD PROBLEMS THROUGH THE REST OF THE EVENING HOURS. SOME OF THE HARDEST HIT AREAS MAY NOT SEE FLOOD WATERS RECEDE UNTIL MONDAY MORNING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE@ UP TO HIGHER GROUND. REMEMBER...NOW THAT IT IS DARK...BE ESPECIALLY CAREFUL AS IT IS HARDER TO SEE THE EXTENT OF THE FLOODING.
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, May 25, 6:50 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
650 PM EDT SUN MAY 25 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1040 AM RECTOR PA FLOODING
05/25/97 WESTMORELAND ROADS FLOODED.
1120 AM NORVELT PA FLOODING
05/25/97 WESTMORELAND STREET FLOODING
1125 AM 1N SARVER PA FLOODING
05/25/97 BUTLER 2.6 INCHES RAIN
LITTLE
BUFFALO CREEK OUT OF
BANKS.
1215 PM HARMONY PA FLOODING
05/25/97 BUTLER SMALL STREAMS/TRIBUTARIES
OF CONNOQUENESSING CREEK
FLOODED
1225 PM SALEM OH FLOODING
05/25/97 COLUMBIANA LOW-LAND FLOODING
1235 PM CABOT PA FLOODING
05/25/97 BUTLER SMALL TRIBUTARY
OF BUFFALO CREEK FLOODED.
BASEMENT AND ROAD
FLOODING.
0105 PM LIGONIER PA FLOODING
05/25/97 WESTMORELAND LOYALHANNA AND SMALL
TRIBUTARIES FLOODED
0114 PM PENN HILLS PA FLOODING
05/25/97 ALLEGHENY BASEMENT FLOODING AND RODI
ROAD FLOODED.
0114 PM 3W VERONA PA FLOODING
05/25/97 ALLEGHENY ALLEGHENY RIVER BLVD.
FLOODED AND CLOSED DUE TO
MUDSLIDE.
0128 PM 1SE BETHANY WV FLOODING
05/25/97 BROOKE BRIDGE FLOODED ALONG
CASTLEMAN RUN.
0131 PM COUNTY-WIDE OH FLOODING
05/25/97 COLUMBIANA A FEW SMALL STREAMS
FLOODED.
0135 PM WASHINGTON PA FLOODING
05/25/97 WASHINGTON BASEMENT AND ROAD
FLOODING.
0138 PM CRAIGSVILLE PA FLOODING
05/25/97 ARMSTRONG BASMENT FLOODING.
0140 PM SCHENLEY PA FLOODING
05/25/97 ARMSTRONG BASEMENT FLOODING.
0141 PM INDIANA PA FLOODING
05/25/97 INDIANA STREET FLOODING AND SMALL
STREAM FLOODING IN INDIANA
AND SOUTHERN PART OF THE
COUNTY.
LAGLocal storm report, May 25, 6:55 PM EDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
650 PM EDT SUN MAY 25 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1040 AM RECTOR PA FLOODING
05/25/97 WESTMORELAND ROADS FLOODED.
1120 AM NORVELT PA FLOODING
05/25/97 WESTMORELAND STREET FLOODING
1125 AM 1N SARVER PA FLOODING
05/25/97 BUTLER 2.6 INCHES RAIN
LITTLE
BUFFALO CREEK OUT OF
BANKS.
1215 PM HARMONY PA FLOODING
05/25/97 BUTLER SMALL STREAMS/TRIBUTARIES
OF CONNOQUENESSING CREEK
FLOODED
1225 PM SALEM OH FLOODING
05/25/97 COLUMBIANA LOW-LAND FLOODING
1235 PM CABOT PA FLOODING
05/25/97 BUTLER SMALL TRIBUTARY
OF BUFFALO CREEK FLOODED.
BASEMENT AND ROAD
FLOODING.
0105 PM LIGONIER PA FLOODING
05/25/97 WESTMORELAND LOYALHANNA AND SMALL
TRIBUTARIES FLOODED
0114 PM PENN HILLS PA FLOODING
05/25/97 ALLEGHENY BASEMENT FLOODING AND RODI
ROAD FLOODED.
0114 PM 3W VERONA PA FLOODING
05/25/97 ALLEGHENY ALLEGHENY RIVER BLVD.
FLOODED AND CLOSED DUE TO
MUDSLIDE.
0128 PM 1SE BETHANY WV FLOODING
05/25/97 BROOKE BRIDGE FLOODED ALONG
CASTLEMAN RUN.
0131 PM COUNTY-WIDE OH FLOODING
05/25/97 COLUMBIANA A FEW SMALL STREAMS
FLOODED.
0135 PM WASHINGTON PA FLOODING
05/25/97 WASHINGTON BASEMENT AND ROAD
FLOODING.
0138 PM CRAIGSVILLE PA FLOODING
05/25/97 ARMSTRONG BASMENT FLOODING.
0140 PM SCHENLEY PA FLOODING
05/25/97 ARMSTRONG BASEMENT FLOODING.
0141 PM INDIANA PA FLOODING
05/25/97 INDIANA STREET FLOODING AND SMALL
STREAM FLOODING IN INDIANA
AND SOUTHERN PART OF THE
COUNTY.
LAGThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 10:43 AM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| May 25, 11:00 AM EDT | Flash Flood Warning | PBZ | Beaver, Butler | 5 hr |
| May 25, 12:05 PM EDT | Flash Flood Warning | PBZ | Washington | 4 hr |
| May 25, 12:33 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana | 3 hr |
| May 25, 2:00 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 6 hr |
| May 25, 3:40 PM EDT | Flash Flood Warning | PBZ | Armstrong, Butler, Indiana | 4 hr |
| May 25, 3:40 PM EDT | Flash Flood Warning | PBZ | Beaver, Washington | 4 hr |
| May 25, 5:16 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| May 25, 7:55 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 8 hr |
| May 25, 7:55 PM EDT | Flash Flood Warning | PBZ | Washington | 8 hr |
| May 25, 7:55 PM EDT | Flash Flood Warning | PBZ | Indiana | 8 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1997Every flash flood warning in 1997
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.