Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 53, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 23, 1992, 2:29 PM EDT for Westmoreland County, Pennsylvania. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1992, 2:29 PM EDT (18:29 UTC)
- Expired
- Jul 23, 1992, 3:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.5 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 severe thunderstorm 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, 10:28 AM EDT, 4 hours 1 minute before
PAZ001>006-013>015-WVZ001-232000- SPECIAL WEATHER STATEMENT-HEAVY DOWNPOURS MOVING TOWARDS WESTERN NATIONAL WEATHER SERVICE PITTSBURGH PA PENNSYLVANNIA 1030 AM EDT THU JUL 23 1992 ...HEAVY DOWNPOURS POSSIBLE THROUGH THIS AFTERNOOON IN THE WESTERN PENNSYLVANIA REGION... AN AREA OF THUNDERSTORMS MOVING THROUGH CENTRAL OHIO WILL REACH EXTREME WESTERN PENNSYLVANIA AROUND NOON AND THE CENTRAL MOUNTAINS BETWEEN 130 AND 2PM. RAINFALL CAN BE EXPECTED TO BE HEAVY WITH THIS AREA AND COULD CAUSE PONDING OF WATER ON ROADWAYS AS WELL AS LOWLAND FLOODING. GUSTY WINDS...DANGEROUS LIGHTNING AND HAIL CAN ALSO BE EXPECTED. AREAS THAT HAVE BEEN ESPECIALLY HARD HIT WITH RAINS OVER THE PAST SEVERAL DAYS ARE MOST PRONE TO LOWLAND FLOODING. THIS INCLUDES THE NORTHWEST TIER OF PENNSYLVANIA COUNTIES. A FLASH FLOOD WATCH MAY BE NECESSARY FOR SOME AREAS EARLY THIS AFTERNOON DEPENDING ON THE MOVEMENT OF THIS THUNDERSTORM AREA. STAY TUNED FOR FURTHbER UPDATES AND POSSIBLE WATCHES OR WARNINGS THROUGH THIS AFTERNOON. SKYWARN OBSERVERS PLEASE REPORT RAINFALL AMOUNTS OF ONE INCH OR GREATER. RWH/RS
Special weather statement, Jul 23, 12:54 PM EDT, 1 hour 35 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, 1 hour 31 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
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Jul 23, 5:15 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 105 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm 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.