Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 95, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jul 17, 1995, 3:19 PM EDT for Westmoreland County, Pennsylvania. It was in force for 116 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1995, 3:19 PM EDT (19:19 UTC)
- Expired
- Jul 17, 1995, 5:15 PM EDT
- In force
- 116 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.3 hours before the alert went out and 55 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
- 1129 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 171920 FFWPIT PAC129-172115- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 319 PM EDT MON JUL 17 1995 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 515 PM EDT FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...WESTMORELAND COUNTY WEATHER RADAR SHOWED SEVERE STORMS WITH REPEATED HEAVY DOWNPOURS MOVING ACROSS NORTHWEST WESTMORELAND COUNTY. BEWARE OF DAMAGING WIND AND LARGE HAIL...DEADLY LIGHTNING. REPEATED TORRENTIAL DOWNPOURS CAN CAUSE FLOODING...PARTICULARLY AROUND NEW KENSINGTON AND LOWER BURRELL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR SAFETY GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. HEAVY RAINS CAN QUICKLY CAUSE FLOODING. DO NOT CROSS WHERE WATER COVERS YOUR PATH.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:27 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jul 16, 11:18 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 57 min |
| Jul 16, 11:18 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 57 min |
| Jul 16, 11:26 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 49 min |
| Jul 17, 12:03 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jul 17, 12:13 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 47 min |
| Jul 17, 12:20 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 70 min |
| Jul 17, 12:53 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 67 min |
| Jul 17, 1:58 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Jul 17, 2:09 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler, Washington | 66 min |
| Jul 17, 2:41 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 64 min |
| Jul 17, 3:14 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 46 min |
| Jul 17, 3:35 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 55 min |
| Jul 17, 1:24 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 66 min |
| Jul 17, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 116 min |
| Jul 17, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 60 min |
| Jul 17, 4:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 53 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1995Every flash flood warning in 1995
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.