2 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before the first event at Jul 23, 1:50 PM EST, 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 250 PM EDT TUE JUL 23 2002 LINE OF SHRA/TSRA BISECTING CWA ATTM FM SW TO NE IN ADVANCE OF COLD FRONT...STARTING TO LAY OUT MORE W-E. ACRS S CNTRL OH... WELL-DEFINED ROTATION SHOWING UP ON RADAR LOOP AS MID-LVL VORT DVLPG. EXPECT THIS WAVE TO RIDE ALG W-E BOUNDARY STRETCHING OUT ACRS SRN CWA. GIVEN THIS...WL ISSUE FFA FOR SRN TIER COUNTIES OF CWA AS THIS WAVE WL CONT TO ENHANCE CONVECTION ALG THIS BOUNDARY. ALTHO FFG VALUES FAIRLY HIGH...THESE STORMS/PSBL TRAINING COULD PRODUCE HIGH RAINFALL TOTALS OF OVER 2-3 INCHES. FOR RMDR OF FCST...BIGGEST QUESTION IS WHAT TO DO FOR WED-THURS. ETA CONTS TO ADVERTISE INVERTED SFC TROF EXTNDG ACRS CWA WHICH APPRS TO BE A BIT OVERDONE. NGM/AVN TAKE DRIER SOLN...KEEPING MAJORITY OF ACTIVITY SUPPRESSED TO OUR SOUTH. FOR NOW...WL CONT TO KEEP CHC SHRA/TSRA CONFINED TO SRN TIER COUNTIES FOR WED AND FOR THURSDAY...WITH SO MUCH UNCERTAINTY BTWN MODELS WL TAKE NGM/AVN/CONTINUITY SOLN AND KEEP AREA DRY. NEXT BEST CHC FOR PRECIP WL BE ON FRI AND INTO SAT WITH NEXT H5 S/W CROSSING AREA. STRAGER .PBZ... MD...FLOOD WATCH FOR THIS AFTERNOON AND EVENING FOR ZONE MDZ001. OH...FLOOD WATCH FOR THIS AFTERNOON AND EVENING FOR ZONES OHZ057>059...OHZ068>069. PA...FLOOD WATCH FOR THIS AFTERNOON AND EVENING FOR ZONES PAZ031>032. WV...FLOOD WATCH FOR THIS AFTERNOON AND EVENING FOR ZONES WVZ003>004...WVZ012...WVZ021>023...WVZ041.
PAZ016-023-030-231815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 1245 PM EDT TUE JUL 23 2002 ...SHOWERS AND THUNDERSTORMS MOVING THROUGH THE AREA... A LINE OF SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH JEFFERSON...INDIANA AND WESTMORELAND COUNTIES OVER THE NEXT HOUR OR SO. AT THIS TIME THE MAIN THREAT FROM THESE STORMS WILL BE VERY HEAVY DOWNPOURS. RAINFALL OF 1 TO 1.5 INCHES IN A SHORT PERIOD OF TIME CAN BE EXPECTED. WIND GUSTS OF 30 TO 40 MPH AND SMALL HAIL ARE ALSO A POSSIBILITY. MOVEMENT OF THESE STORMS IS TO THE EAST SOUTHEAST AT AROUND 20 TO 25 MPH.
The Pittsburgh radar (KPBZ), 84 km away, was scanning. The volume nearest the first event began at 19:14 UTC.
2 flash flood. Local standard time, as filed.
Thunderstorms producing nearly 2 inches of rain in less than an hour created street flooding in downtown Uniontown, as well as along US Route 40 just west of town.
Torrential thunderstorm rains produced minor roadway and basement flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2002Every state in 2002This day in weather historyWarnings in Pennsylvania, July 2002
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5308277, 5308278.