1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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 1, 1:30 PM EST, 3 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 230 PM EDT MON JUL 1 2002 HAZY/HUMID AIRMASS WILL CONTINUE IN PLACE UNTIL ARRIVAL/PASSAGE OF FRONT PROBABLY LTE WED NGT...HOPEFULLY S OF M/D LINE BY 12Z/04. WILL KEEP CHC POPS EARLY TNGT WITH DIURNAL HEATING/ORGRAPHICS/ OUTFLOW BNDRYS/UNSTABLE AIR ETC. TUESDAY MDLS INDICATE ANOTHER SHRT/WV MOVING SWD ACROSS REGION SO WILL CONT CHC POPS AND ALSO AGAIN EARLY TUES NGT IN SAME SCENARIO. MDL RUNS NOW HINTING TWD LTR PASSAGE OF FRONT LTE WED NGT...SO WILL MENTION CHC POPS WED AFTN AND FOR WED NGT. HOPEFULLY ON 4TH HI PRES WILL BEGIN FILTERING INTO REGION AND PROVIDE DRY WX THRU HOLIDAY WKND...WITH LESS HUMIDITY. TEMPS LOOK OK. .PBZ... MD...NONE. OH...NONE. PA...NONE. WV...NONE.
PAZ021-012300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 538 PM EDT MON JUL 1 2002 ...THUNDERSTORMS IN SOUTHERN ALLEGHENY COUNTY... SLOW MOVING THUNDERSTORMS IN SOUTHERN ALLEGHENY COUNTY WILL RESULT IN LOCALIZED HEAVY DOWNPOURS OF UP TO 1.0 TO 1.5 INCHES OF RAIN IN A SHORT PERIOD OF TIME. AREAS AFFECTED WILL BE BETHEL PARK...CLAIRTON...ELIZABETH...MCKEESPORT...BRENTWOOD AND PLEASANT HILLS. THESE STORMS MAY ALSO PRODUCE GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING. BE ALERT FOR PONDING OF WATER ON ROADWAYS AND POOR DRAINAGE AREAS.
The Pittsburgh radar (KPBZ), 21 km away, was scanning. The volume nearest the first event began at 22:16 UTC.
1 flash flood. Local standard time, as filed.
Heavy thunderstorm rains produced minor flooding along Route 51 in the Pleasant Hills area.
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: 5308260.