Alert archive / Pennsylvania / Flash Flood Warnings in 1997
Flash Flood Warning 83, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Nov 7, 1997, 1:22 PM EST for Jefferson County, Pennsylvania. It was in force for 4 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
- Nov 7, 1997, 1:22 PM EST (18:22 UTC)
- Expired
- Nov 7, 1997, 5:30 PM EST
- In force
- 4 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Jefferson County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.4 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 133 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 071822 FFWPIT PAC065-072230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 122 PM EST FRI NOV 7 1997 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 530 PM EST FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...JEFFERSON COUNTY HEAVY RAINS CONTINUE TO MOVE ACROSS JEFFERSON COUNTY. A SKYWARN OBSERVER IN REYNOLDSVILLE REPORTED 2.25 INCHES OF RAIN AND BASEMENT FLOODING. RAINFALL OF 1.0 TO 1.5 INCHES OF RAIN IN THREE HOURS WILL BRING STREAMS BANKFUL. RADAR ESTIMATES THAT AS MUCH AS 2 INCHES OF RAIN HAS FALLEN OVEMUCH OF SOUTHEAST JEFFERSON COUNTY BETWEEN 10 AM AND 1 PM. 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. &
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, Nov 7, 7:42 AM EST, 5 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
744 AM EST FRI NOV 07 1997
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0600 AM FARMINGTON PA FLOODING
11/07/97 FAYETTE DEADMANS RUN WENT OUT OF
ITS BANKS
0730 AM FARMINGTON PA FLOODING
11/07/97 FAYETTE WHARTON-FURNACE ROAD WAS
FLOODED.Local storm report, Nov 7, 7:44 AM EST, 5 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
744 AM EST FRI NOV 07 1997
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0600 AM FARMINGTON PA FLOODING
11/07/97 FAYETTE DEADMANS RUN WENT OUT OF
ITS BANKS
0730 AM FARMINGTON PA FLOODING
11/07/97 FAYETTE WHARTON-FURNACE ROAD WAS
FLOODED.The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 7, 6:08 AM EST | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Nov 7, 5:20 PM EST | Flash Flood Warning | PBZ | Indiana, Westmoreland | 5 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.