Alert archive / Pennsylvania / Flash Flood Warnings in 1997
Flash Flood Warning 36, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at May 25, 1997, 5:16 PM EDT for Fayette 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
- May 25, 1997, 5:16 PM EDT (21:16 UTC)
- Expired
- May 25, 1997, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Fayette County, PA
The radar
The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 21:04 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, 9.3 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 252115 FFWPIT PAC051-260000- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 516 PM EDT SUN MAY 25 1997 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM EDT FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...FAYETTE COUNTY AT 515 PM EDT DOPPLER WEATHER RADAR INDICATED REPEATED HEAVY RAINS ACROSS NORTHERN FAYETTE COUNTY. SOME OF THE SMALL STREAMS IN NORTHERN FAYETTE COUNTY AND JACOBS CREEK ALONG THE FAYETTE/WESTMORELAND COUNTY LINE MAY COME OUT OF THEIR BANKS. ADDITIONAL RAIN MOVING THROUGH THE COUNTY BETWEEN 5 AND 7 PM MAY PUSH OTHER STREAMS IN THE COUNTY OUT OF THEIR BANKS AND ALSO CAUSE SOME STREET AND BASEMENT FLOODING. NEARLY 2.70 INCHES OF RAIN HAS BEEN REPORTED NEAR WHITE. BULLSKIN AND SALT LICK TOWNSHIPS MAY BE PARTICULARLY AFFECTED WITH FLOOD PROBLEMS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTAN|T TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS DURING THREATENING RAINS.
The 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, 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 |
| May 25, 7:55 PM EDT | Flash Flood Warning | PBZ | Fayette | 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; radar from the NEXRAD Level II archive.