Alert archive / Pennsylvania / Flash Flood Warnings in 1992
Flash Flood Warning 10, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jul 23, 1992, 5:15 PM EDT for Westmoreland County, Pennsylvania. It was in force for 105 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1992, 5:15 PM EDT (21:15 UTC)
- Expired
- Jul 23, 1992, 7:00 PM EDT
- In force
- 105 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.3 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
- 464 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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, Jul 23, 12:54 PM EDT, 4 hours 21 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 1250PM EDT THU JUL 23 1992 THE PITTSBURGH WEATHER SERVICE RADAR SHOWED THUNDERSTORMS MOVING INTO WESTERN PENNSYLVANIA. THESE STORMS WERE PRODUCING HEAVY RAIN AS THEY MOVED ACROSS EASTERN OHIO AND INTO THE NORTHERN PANHANDLE OF WEST VIRGINIA AND SOUTHWESTERN PENNSYLVANIA. THESE STORMS WILL AFFECT BEAVER...ALLEGHENY AND WASHINGTON COUNTIES IN SOUTHWESTERN PENNSYLVANIA AS WELL AS HANCOCK AND BROOKE COUNTIES IN THE WEST VIRGINIA PANHANDLE DURING THE NEXT HOUR. RAINFALL AMOUNTS OF UP TO ONE INCH IN AN HOUR HAVE BEEN REPORTED WITH THESE STORMS AS THEY MOVED ACROSS EASTERN OHIO. MOTORISTS SHOULD EXPECT PONDING OF WATER ON ROADWAYS...REDUCED VISIBILITY AND HEAVY DOWNPOURS FOR THE NEXT SEVERAL HOURS IN THE SOUTHWESTERN PENNSYLVANIA AREA.
Special weather statement, Jul 23, 12:58 PM EDT, 4 hours 17 minutes before
PAZ001>006-013>015-WV001-231800- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION FOR CODES NATIONAL WEATHER SERVICE PITTSBURGH PA 1255PM EDT THU JUL 23 1992 THE PITTSBURGH WEATHER SERVICE RADAR SHOWED THUNDERSTORMS MOVING INTO WESTERN PENNSYLVANIA. THESE STORMS WERE PRODUCING HEAVY RAIN AS THEY MOVED ACROSS EASTERN OHIO AND INTO THE NORTHERN PANHANDLE OF WEST VIRGINIA AND SOUTHWESTERN PENNSYLVANIA. THESE STORMS WILL AFFECT BEAVER...ALLEGHENY AND WASHINGTON COUNTIES IN SOUTHWESTERN PENNSYLVANIA AS WELL AS HANCOCK AND BROOKE COUNTIES IN THE WEST VIRGINIA PANHANDLE DURING THE NEXT HOUR. RAINFALL AMOUNTS OF UP TO ONE INCH IN AN HOUR HAVE BEEN REPORTED WITH THESE STORMS AS THEY MOVED ACROSS EASTERN OHIO. MOTORISTS SHOULD EXPECT PONDING OF WATER ON ROADWAYS...REDUCED VISIBILITY AND HEAVY DOWNPOURS FOR THE NEXT SEVERAL HOURS IN THE SOUTHWESTERN PENNSYLVANIA AREA. RWH/WR
Special weather statement, Jul 23, 2:52 PM EDT, 2 hours 23 minutes before
PAZ001>006-013>015-WV001-231800- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 245PM EDT THU JUL 23 1992 THE PITTSBURGH WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS OVER WESTMORELAND COUNTY JUST WEST OF LATROBE. MANY REPORTS OF STREET AND LOWLAND FLOODING HAVE BEEN RECEIVED FROM MURRYSVILLE AND LATROBE. THESE STORMS WERE MOVING INTO CAMBRIA AND SOMERSET COUNTIES. RAINFALL REPORTS WERE ON THE ORDER OF AN INCH TO AN INCH AND A HALF IN ONE HOUR. THESE STORMS WILL ALSO CONTAIN DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLY HAIL. DRIVERS SHOULD USE EXTRA CAUTION AS HEAVY RAINS WILL CAUSE PONDING ON THE ROADWAYS. THE STORMS WILL MOVE OUT OF SOMERSET >AND CAMBRIA COUNTIES BY 5 PM. ROLINSKI
Special weather statement, Jul 23, 3:58 PM EDT, 1 hour 17 minutes before
PAZ001>006-013>015-WV001-232050- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 350 PM EDT THU JUL 23 1992 ...FLASH FLOOD WARNING FOR SOMERSET...CAMBRIA AND AND WESTMORELAND COUNTIES TIL 5 PM... ...FLASH FLOOD WATCH FOR THE SOUTH CENTRAL MOUNTAINS AND SOUTH CENTRAL PENNSYLVANIA TIL 8 PM... THE PITTSBURGH WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS OVER BEDFORD AND BLAIR COUNTIES JUST NORTH AND WEST OF THE CITY OF BEDFORD. ANOTHER STORM WAS LOCATED IN FRANLIN COUNTY BETWEEN CHAMBERSBURG AND MERCERSBURG. MANY REPORTS OF STREET AND LOWLAND FLOODING HAVE BEEN RECEIVED FROM WESTMORELAND...CAMBRIA AND BEDFORD COUNTY. THESE STORMS WERE MOVING TO THE EAST AT 35 MPH AND WILL BE MOVING INTO FULTON AND ADAMS COUNTIES BY 4 PM...WITH ADDITIONAL STORMS BACK INTO FRANKLIN COUNTY BY 430 PM. ANOTHER LINE OF STORMS WAS ALONG THE PENNSYLVANIA-MARYLAND BORDER NEAR CUMBERLAND MARYLAND THEN SOUTHWEST TOWARD ELKINS WEST VIRGINIA. RAINFALL REPORTS WERE ON THE ORDER OF AN INCH TO AN INCH AND A HALF IN ONE HOUR...AND UP TO 2 INCHES OF RAIN IN AN HOUR AND A HALF. THESE STORMS WILL ALSO CONTAIN DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLY HAIL. DRIVERS SHOULD USE EXTRA CAUTION AS HEAVY RAINS WILL CAUSE PONDING ON THE ROADWAYS. ALESSI
Special weather statement, Jul 23, 5:02 PM EDT, 13 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 2:29 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Jul 23, 2:54 PM EDT | Flash Flood Warning | PBZ | Cambria, Somerset, Westmoreland | 2 hr |
| Jul 23, 3:58 PM EDT | Flash Flood Warning | PBZ | Bedford, Blair | 2 hr |
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.