Alert archive / Pennsylvania / Flash Flood Warnings in 1997
Flash Flood Warning 67, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 25, 1997, 9:32 PM EDT for Forest County, Pennsylvania. It was in force for 118 min. 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 25, 1997, 9:32 PM EDT (01:32 UTC)
- Expired
- Jun 25, 1997, 11:30 PM EDT
- In force
- 118 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Forest County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.5 hours before the alert went out and 142 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
- 1973 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 260130 FFWPIT PAC053-085-121-260330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 932 PM EDT WED JUN 25 1997 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1130 PM EDT FOR THE FOLLOWING LOCATIONS... IN NORTHWEST PENNSYLVANIA ...FOREST COUNTY...MERCER COUNTY...VENANGO COUNTY THUNDERSTORMS WITH VERY HEAVY AMOUNTS OF RAINFALL WERE MOVING ACROSS MERCER...FOREST...AND VENANGO COUNTIES. BE ALERT FOR FLOODED ROADWAYS AND LOW LYING AREAS. DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE A6BANDONED QUICKLY. MOVE TO HIGHER GROUND. KANE
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
Special weather statement, Jun 25, 6:35 PM EDT, 2 hours 57 minutes before
PAZ008-009-OHZ048-057-260400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 635 PM EDT WED JUN 25 1997 ...THE NATIONAL WEATHER SERVICE IN PITTSBURGH SAYS... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR COSHOCTON AND MUSKINGUM COUNTIES IN EAST CENTRAL OHIO UNTIL 11 PM. THUNDERSTORMS TO THE WEST OF THIS AREA WILL MOVE INTO COSHOCTON AND MUSKINGUM COUNTIES AFTER 9 PM. A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR FOREST AND VENANGO COUNTIES IN NORTHERN PENNSYLVANIA UNTIL MIDNIGHT. THUNDERSTORMS ALREADY EXIST JUST TO THE NORTH OF FOREST AND VENANGO COUNTIES. THESE STORMS ARE MOVING EAST. OTHER STORMS WILL LIKELY AFFECT FOREST AND VENANGO COUNTIES AFTER 8 PM. A FLASH FLOOD WATCH MAY BE NEEDED LATER THIS EVENING FOR NORTHERN PENNSYLVANIA. IF MORE THAN ONE AND A HALF INCHES OF RAIN SHOULD FALL IN AN HOUR...FLOODING WILL BEGIN.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:31 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 59 min |
| Jun 25, 8:56 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Jun 25, 9:20 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 55 min |
| Jun 25, 9:32 PM EDT | Flash Flood Warning | PBZ | Mercer, Venango | 118 min |
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.