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 Sep 9, 1:58 PM EST, 1 hour 57 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 258 PM EDT TUE SEP 9 2003 WDLY SCT SHWRS AND EVEN SOME ISOLD TSTMS CONTG TO POP UP MNLY OVR NRN PTN CWA THIS AFTN INVOF SFC TROF. CNVCTN SHUD DIE BY ARND SUNSET. PLAN TO MENTION POPS ONLY FOR ERY EVE...THEN PTCLDY WITH PATCHY FOG ONCE AGN. STILL SHUD BE ENUF MOISTURE FOR SOME CU WED...THEN ATMOS SHUD DRY OUT. WL GO PTSNY WED...MOCLR/SNY REST OF WEEK. NEXT CHC OF PCPN WL BE ON SUN AND MON WITH SLO MOVG FNT PUSHING ACRS RGN. FCSTID = 14 PIT 57 77 55 79 / 20 10 10 10 HLG 57 77 55 79 / 20 10 10 10 MGW 57 77 55 79 / 20 10 10 10 ZZV 57 77 55 79 / 20 10 10 10 PHD 57 77 55 79 / 20 10 10 10 FKL 52 72 52 76 / 20 10 10 10 DUJ 52 72 52 76 / 20 10 10 10 LBE 57 77 55 79 / 20 10 10 10 BTP 55 75 54 77 / 20 10 10 10 IDI 55 75 54 77 / 20 10 10 10 ODM 53 74 51 76 / 20 10 10 10 .PBZ... MD...NONE. OH...NONE. PA...NONE. WV...NONE.
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-090900- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 507 AM EDT TUE SEP 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
PAZ020-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 350 PM EDT TUE SEP 9 2003 AT 3:45 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY RAINFALL OVER NORTHEAST BEAVER COUNTY. THESE STORMS ARE MOVING SLOWLY TO THE SOUTHWEST AT 15 MPH. BE ALERT FOR PERIODS OF HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING. IF YOU ARE DRIVING...THERE WILL BE REDUCED VISIBILITY AND PONDING OF WATER ON ROADWAYS SUCH AS THE TURNPIKE...ROUTE 60...AND ROUTE 51. LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE WEST MAYFIELD...BEAVER FALLS...AND CHIPPEWA THROUGH 4:45 PM. IF YOU EXPERIENCE HIGH WATER OR STORM-RELATED DAMAGE...PLEASE CALL THE NATIONAL WEATHER SERVICE TOLL-FREE AT 1-877-633-6772. TYBURSKI
The Pittsburgh radar (KPBZ), 20 km away, was scanning. The volume nearest the first event began at 20:55 UTC.
1 flash flood. Local standard time, as filed.
Herman Rd in Marion Twp flooded. Soap Run Rd in Franklin Twp flooded. Flood waters running into house in Fombell.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2003Every state in 2003This day in weather historyWarnings in Pennsylvania, September 2003
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: 5374122.