Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 78, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 15, 1998, 6:03 PM EDT for Westmoreland County, Pennsylvania. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 15, 1998, 6:03 PM EDT (22:03 UTC)
- Expired
- Jun 15, 1998, 8:00 PM EDT
- In force
- 117 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.1 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
- 7 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 152206 FFWPIT PAC129-160000- BULLETIN - EAS ACTIVIATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 603 PM EDT MON JUN 15 1998 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN WESTMORELAND COUNTY IN SOUTHWESTERN PENNSYLVANIA. * UNTIL 800 PM EDT. * AT 600 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF VERY HEAVY RAIN IN EASTERN WESTMORELAND COUNTY NEAR LATROBE...MOVING NORTHEAST AROUND 25 MPH. * THUNDERSTORMS WITH TORRENTIAL DOWNPOURS WERE AROUND THE LATROBE AREA. THE THUNDERSTORMS WERE MOVING NORTHEAST AND WILL BE MOVING INTO THE BRADENVILLE AND DERRY AREAS. <<CALL TO ACTION>>DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. .END/REED/PALKO/GIORDANO
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, Jun 15, 12:40 PM EDT, 5 hours 23 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-152300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 1240 PM EDT MON JUN 15 1998 ...SLIGHT CHANCE OF SEVERE THUNDERSTORMS THIS AFTERNOON... ...CHANCE FOR FLASH FLOODING ALSO... OCCASIONAL SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION THIS AFTERNOON AND EVENING. ALTHOUGH MOST OF THE STORMS WILL PRODUCE LOCALIZED HEAVY RAINFALL...SOME OF THE STRONGER STORMS COULD PRODUCE GUSTY WINDS TO 40 MPH AND SMALL HAIL...AND HIGH ENOUGH RAINFALL AMOUNTS TO CAUSE FLASH FLOODING. THE GREATEST RISK FOR POSSIBLE SEVERE WEATHER IS CONFINED TO THE SOUTH OF INTERSTATE 70...PRIMARILY IN THE FOLLOWING COUNTIES... IN EAST CENTRAL OHIO NOBLE AND MONROE... IN NORTHERN WEST VIRGINIA...WETZEL...MARION...MONONGAHELA... PRESTON...TUCKER... AND GARRETT COUNTY IN WESTERN MARYLAND. THE GREATEST RISK FOR FLASH FLOODING IS ALSO PRESENT IN THESE SAME COUNTIES...AS WELL AS... IN EAST CENTRAL OHIO MUSKINGUM...GUERNSEY...BELMONT... IN NORTHERN WEST VIRGINIA...OHIO...MARSHALL... AND IN SOUTHWEST PENNSYLVANIA...GREENE AND FAYETTE. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF THESE COUNTIES UNTIL 8 PM. SKYWARN AND HAM RADIO ACTIVATION MAY BE NEEDED THIS AFTERNOON. SPOTTERS ARE ASKED TO REPORT RAINFALL AMOUNTS OF 0.75 INCHES OR MORE IN AN HOUR OR STORM TOTAL RAINFALL OF 1.50 INCHES OR MORE...AS WELL AS ANY HAIL OR WIND GUSTS 40 MPH OR GREATER. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. THE LATEST INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER SERVICE PITTSBURGH WEB SITE AT WWW.NWS.NOAA.GOV/ER/PIT MURPHY
Special weather statement, Jun 15, 12:40 PM EDT, 5 hours 23 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-152300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 1240 PM EDT MON JUN 15 1998 ...SLIGHT CHANCE OF SEVERE THUNDERSTORMS THIS AFTERNOON... ...CHANCE FOR FLASH FLOODING ALSO... OCCASIONAL SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION THIS AFTERNOON AND EVENING. ALTHOUGH MOST OF THE STORMS WILL PRODUCE LOCALIZED HEAVY RAINFALL...SOME OF THE STRONGER STORMS COULD PRODUCE GUSTY WINDS TO 40 MPH AND SMALL HAIL...AND HIGH ENOUGH RAINFALL AMOUNTS TO CAUSE FLASH FLOODING. THE GREATEST RISK FOR POSSIBLE SEVERE WEATHER IS CONFINED TO THE SOUTH OF INTERSTATE 70...PRIMARILY IN THE FOLLOWING COUNTIES... IN EAST CENTRAL OHIO NOBLE AND MONROE... IN NORTHERN WEST VIRGINIA...WETZEL...MARION...MONONGAHELA... PRESTON...TUCKER... AND GARRETT COUNTY IN WESTERN MARYLAND. THE GREATEST RISK FOR FLASH FLOODING IS ALSO PRESENT IN THESE SAME COUNTIES...AS WELL AS... IN EAST CENTRAL OHIO MUSKINGUM...GUERNSEY...BELMONT... IN NORTHERN WEST VIRGINIA...OHIO...MARSHALL... AND IN SOUTHWEST PENNSYLVANIA...GREENE AND FAYETTE. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF THESE COUNTIES UNTIL 8 PM. SKYWARN AND HAM RADIO ACTIVATION MAY BE NEEDED THIS AFTERNOON. SPOTTERS ARE ASKED TO REPORT RAINFALL AMOUNTS OF 0.75 INCHES OR MORE IN AN HOUR OR STORM TOTAL RAINFALL OF 1.50 INCHES OR MORE...AS WELL AS ANY HAIL OR WIND GUSTS 40 MPH OR GREATER. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. THE LATEST INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER SERVICE PITTSBURGH WEB SITE AT WWW.NWS.NOAA.GOV/ER/PIT MURPHY
Local storm report, Jun 15, 4:12 PM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
412 PM EDT MON JUN 15 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM VANDERBILT PA WIND DAMAGE
06/15/98 FAYETTE HOUSE PORCH AND TREES
DOWN.Nearby
Flash Flood Warnings in Pennsylvania, 1998Every flash flood warning in 1998
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.