Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 55, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 24, 1992, 7:20 PM EDT for Butler County, Pennsylvania. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1992, 7:20 PM EDT (23:20 UTC)
- Expired
- Jul 24, 1992, 8:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Butler County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.3 hours before the alert went out and 306 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
- 404 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.1
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 24, 5:57 PM EDT, 1 hour 23 minutes before
PAZ001>006-013>015-WVZ001-250000- SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 555 PM EDT FRI JUL 24 1992 ...FLASH FLOOD WATCH FOR WEST CENTRAL PENNSYLVANIA UNTIL 8 PM. AT 530 PM RADAR SHOWED SCATTERED SHOWERES AND THUNDERSTORMS OVER EASTERN OHIO AND WESTERN PENNSYLVANIA. THE STRONGEST STORMS WERE OVER MAHONING COUNTY IN OHIO AND COULD PRODUCE DANGEROUS LIGHTNING...DESTRUCTIVE WINDS...HAIL AND HEAVY DOWNPOURS. OTHER STRONG STORMS WERE JUST SOUTH OF ZANESVILLE IN OHIO AND ALSO JUST SOUTH OF JOHNSTOWN IN PENNSYLVANIA. WHEN EVER THUNDERSTORMS THREATEN...REMEMBER THESE SAFETY RULES. SEEK SHELTER INDOORS...LIGHTNING KILLS...HEAVY RAINS CAN CAUSEv FLOODING SO AVOID FLOOD WATERS. WATERS OF ONLY 1 TO 2 FEET DEEP CAN SWEEP YOU AWAY. ROLINSKI/REHAK
Special weather statement, Jul 24, 6:52 PM EDT, 28 minutes before
PAZ001>006-013>015-WVZ001-250000- SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 655 PM EDT FRI JUL 24 1992 ...SEVERE THUNDERSTORM WARNING FOR BEAVER COUNTY TIL 745 PM... ...FLASH FLOOD WATCH FOR WEST CENTRAL PENNSYLVANIA UNTIL 8 PM... AT 640 PM RADAR SHOWED A SEVERE THUNDERSTORM MOVING OUT OF LAWRENCE COUNTY INTO NORTHERN BEAVER COUNTY. BEAVER FALLS IS IN THE PATH OF THIS STORM. WHEN STORMS THREATEN...TAKE SHELTER INDOORS FROM THE POTENTIALLY DAMAGING WIND HAIL AND LIGHTNING. AVOID FLOODING... SWIFT CURRENTS AS SHALLOW AS 1 OR 2 FEET CAN SWEEP YOU AWAY. RADAR SHOWED OTHER STORMS ACROSS LAWRENCE AND BUTLER COUNTIES...AND OVER SOMERSET COUNTY IN PENNSYLVANIA...AND IN GUERNSEY...PERRY AND MORGAN COUNTIES IN OHIO. ALL MOVING SOUTHEAST AT 25 MPH. GIORDANO/REHAK
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 11:25 PM EDT | Flash Flood Warning | PBZ | Fayette, Westmoreland | 3 hr |
| Jul 24, 7:25 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene, Washington | 3 hr |
| Jul 24, 8:13 AM EDT | Flash Flood Warning | PBZ | Somerset | 107 min |
| Jul 24, 8:50 AM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Jul 24, 9:12 AM EDT | Flash Flood Warning | PBZ | Bedford, Somerset | 108 min |
| Jul 24, 6:45 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 60 min |
| Jul 24, 7:25 AM EDT | Flash Flood Warning | PBZ | Marshall, Ohio | 3 hr |
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.