Alert archive / Pennsylvania / Flash Flood Warnings in 1992
Flash Flood Warning 19, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jul 24, 1992, 11:50 PM EDT for Bedford County, Somerset County, Pennsylvania. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1992, 11:50 PM EDT (03:50 UTC)
- Expired
- Jul 25, 1992, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Bedford County, PA, Somerset County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 3.8 hours before the alert went out and 123 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
- 1032 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 24, 5:57 PM EDT, 5 hours 53 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, 4 hours 58 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
Special weather statement, Jul 24, 7:53 PM EDT, 3 hours 57 minutes before
PAZ001>006-013>015-WVZ001-250145- SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 750 PM EDT FRI JUL 24 1992 ...SEVERE THUNDERSTORM WARNING FOR BUTLER COUNTY TIL 815 PM... ...FLASH FLOOD WATCH FOR PARTS OF WEST CENTRAL AND SOUTHWEST PENNSYLVANIA TIL 11 PM THIS EVENING.. AT 750 PM RADAR SHOWED A SEVERE THUNDERSTORM HAD MOVED OUT OF BEAVER COUNTY INTO BUTLER COUNTY...TOWARD THE SOUTHEAST AT 35 MPH. THE MAIN BRUNT OF THE STORM WILL MOVE ACROSS SOUTHERN BUTLER COUNTY. TAKE SHELTER INDOORS FROM THE POTENTIALLY DAMAGING WIND...LARGE HAIL AND LIGHTNING WHEN STORMS THREATEN. AVOID FLOODING...SWIFT CURRENTS AS SHALLOW AS 1 OR 2 FEET...CAN SWEEP YOU AWAY. RADAR ALSO SHOWED SHOWERS AND A FEW THUNDERSTORMS MOVING THROUGH NORTHERN BUTLER COUNTY. ANOTHER THUNDERSTORM WAS IN NORTHEAST INDIANA COUNTY MOVING TOWARD BARNESBORO. A FEW SHOWERS AND ISOLATED THUNDERSTORMS WERE IN BEDFORD COUNTY. A GROUP OF THUNDERSTORMS WAS CLUSTERED IN A SMALL AREA IN SOUTHEAST OHIO OVER NOBLE...WASHINGTON AND MONROE COUNTY. ALL THIS PRECIPITATION WAS HEADED EAST-SOUTHEAST AT 30 MPH. ALESSI/GIORDANO/REHAK
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:10 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 65 min |
| Jul 24, 9:18 PM EDT | Flash Flood Warning | PBZ | Indiana, Westmoreland | 117 min |
| Jul 24, 9:18 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 117 min |
| Jul 24, 10:00 PM EDT | Flash Flood Warning | PBZ | Somerset, Westmoreland | 2 hr |
| Jul 24, 10:00 PM EDT | Tornado Warning | PBZ | Somerset, Westmoreland | 2 hr |
| Jul 24, 11:50 PM EDT | Flash Flood Warning | PBZ | Fayette, Westmoreland | 4 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.