Alert archive / Pennsylvania / Flash Flood Warnings in 1992
Flash Flood Warning 31, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Aug 8, 1992, 7:41 PM EDT for Butler County, Pennsylvania. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1992, 7:41 PM EDT (23:41 UTC)
- Expired
- Aug 8, 1992, 8:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Butler County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 11.7 hours before the alert went out and 58 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
- 262 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 8, 4:02 PM EDT, 3 hours 39 minutes before
PAZ001>006-013>015-WVZ001-090200- SPECIAL WEATHER STATEMENT--THUNDERSTORMS AND HEAVY DOWNPOURS AND WIND NATIONAL WEATHER SERVICE PITTSBURGH PA 405 PM EDT SAT AUG 08 1992 ...STILL BE ON THE LOOKOUT EARLY TONIGHT FOR THUNDERSTORMS WITH HEAVY DOWNPOURS AND GUSTY WIND ACROSS WESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA PANHANDLE... THIS EVENINGS CLOUDY BUT HUMID WEATHER WILL GENERALLY BE QUITE BEARABLE FOR MOST OUTDOOR ACTIVITIES...INCLUDING PITTSBURGHS THREE RIVERS REGATTA...FIREWORKS AND STEELERS PRESEASON GAME...AND VARIOUS AIR SHOWS. HOWEVER...BE ON THE LOOKOUT FOR DANGEROUS THUNDERTORMS WITH HEAVY DOWNPOURS...GUSTY WIND...AND POTENTIALLY DEADLY LIGHTNING. WHENEVER THUNDERSTORMS THREATEN...GO INSIDE IF POSSIBLE. GET OFF BOATS AND AWAY FROM THE WATER. IF YOU MUST TAKE SHELTER OUTDOORS...TAKE COVER FROM THE WIND AND LIGHTNING IN EITHER LOW OR COVERED AREAS AWAY FROM HIGH POINTY OBJECTS LIKE TALL TREES...POLES AND TOWERS. HOWEVER ALSO KEEP IN MIND...THAT YOU MAY HAVE TO TAKE HIGHER GROUND IF HEAVY DOWNPOURS BEGIN TO CAUSE FLOODING. NEVER GO THROUGH FLOODING TO GET TO HIGHER GROUND. SWIFT CURRENTS...EVEN SHALLOW ONES...CAN SWEEP YOU AWAY. GIORDANO
Special weather statement, Aug 8, 4:57 PM EDT, 2 hours 44 minutes before
PAZ001>006-013>015-WVZ001-090300- SPECIAL WEATHER STATEMENT--SEVERE THUNDERSTORMS WATCH NATIONAL WEATHER SERVICE PITTSBURGH PA 455 PM EDT SAT AUG 8 1992 ...SEVERE THUNDERSTORM WATCH UNTIL 11 PM FOR NORTHWESTERN PENNSYLVANIA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWESTERN PENNSYLVANIA UNTIL 1100 PM THIS EVENING. THE PENNSYLVANIA COUNTIES INCLUDED ARE... CRAWFORD LAWRENCE VENANGO ERIE MCKEAN WARREN FOREST MERCER LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDtERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. PALKO/HIGGINS
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:41 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1992Every flash flood warning in 1992
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.