Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 41, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 24, 1995, 9:56 PM EDT for Allegheny County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 24, 1995, 9:56 PM EDT (01:56 UTC)
- Expired
- Jun 25, 1995, 12:00 AM EDT
- In force
- 2 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Allegheny County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.9 hours before the alert went out and 12 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
- 613 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 113 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 250201 FFWPIT PAC003-250400- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 956 PM EDT SAT JUN 24 1995 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT EDT FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...ALLEGHENY COUNTY THE THUNDERSTORMS HAVE EXITED THE HARDHIT PITTSBURGH SOUTH HILLS AREA...WHERE SERIOUS FLOODING HAS BEEN REPORTED. HOWEVER...STILL BE ALERT FOR ADDITIONAL FLOODING AS RUNOFF FROM THOSE TORRENTIAL RAINS IS STILL PILING UP AND CAN STILL CAUSE SERIOUS FLOODING TIL AROUND MIDNIGHT. BE CAREFUL NOW THAT ITS DARK AS IT IS HARDER TO RECOGNIZE THE DANGER OF FLOODS. IF YOU GET ANY INDICATION THAT FLOODS ARE APPROACHING...QUICKLY MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. AVOID FLOODING...PERIOD. THE SWIFT CURRENT AND DEBRIS CAN SWEEP YOU TO YOUR DEATH. KEEP CHILDREN AWAY AS IN THEIR EXCITEMENT THEY MAY NOT REALIZE THE DANGER. &
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 8:11 PM EDT | Flash Flood Warning | PBZ | Allegheny | 2 hr |
| Jun 24, 8:23 PM EDT | Tornado Warning | PBZ | Allegheny | 37 min |
| Jun 24, 8:59 PM EDT | Tornado Warning | PBZ | Allegheny | 31 min |
| Jun 24, 9:16 PM EDT | Tornado Warning | PBZ | Westmoreland | 44 min |
| Jun 24, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 48 min |
| Jun 24, 9:53 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 67 min |
| Jun 25, 1:22 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jun 25, 1:34 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 41 min |
| Jun 25, 1:45 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Jun 25, 2:08 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 52 min |
| Jun 25, 3:17 PM EDT | Flash Flood Warning | PBZ | Armstrong | 58 min |
| Jun 25, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Jun 25, 3:22 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 68 min |
| Jun 25, 4:05 PM EDT | Flash Flood Warning | PBZ | Armstrong | 3 hr |
| Jun 25, 4:28 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 92 min |
| Jun 25, 6:04 PM EDT | Flash Flood Warning | PBZ | Fayette | 116 min |
| Jun 25, 6:43 PM EDT | Flash Flood Warning | PBZ | Armstrong | 2 hr |
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.