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 May 24, 4:34 AM EST, 21 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 534 AM EDT MON MAY 24 2004 UPDATE TO REMOVE SVR THUNDERSTORM WATCH. SOIL CONDITIONS REMAIN VERY MOIST. WE WILL EXTEND FFA TILL 4 PM THIS AFTN FOR THE ENTIRE CWA. COLD FROPA DURING THE DAY TODAY. DEWPOINTS RUNNING IN THE MID 60S PREFRONTAL. 1 HR FFGS ANYWHERE FROM 0.8 TO 1.5 AND 3 HRS FROM 1.1 TO 1.9. PRECIP WATER 1.15 INCHES. ALSO CONVECTION ASSOCIATED WITH WEAKENING BOW ECHO WILL PRODUCE SOME DOWNPOURS. WE FINALLY CATCH A BREAK IN THE WX TONIGHT. BUT TUESDAY NIGHT A COLD FRONT MOVES THROUGH CWA RAPIDLY. SLIGHT CHC SVR LOOKS GOOD. FLOODING STILL A THREAT WITH MOIST SOIL CONDITIONS. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...FLOOD WATCH TIL 4 PM TODAY FOR ZONE MD001. OH...FLOOD WATCH TIL 4 PM TODAY FOR ZONES OHZ039>041...OHZ048>050...OHZ057>059...OHZ068>069. PA...FLOOD WATCH TIL 4 PM TODAY FOR ZONES PAZ007>009...PAZ013>016...PAZ020>023...PAZ029>032. WV...FLOOD WATCH TIL 4 PM TODAY FOR ZONES WVZ001>004...WVZ012-021>023-041. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 553 AM EDT MON MAY 24 2004 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-241200- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA- CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA- FOREST PA-GARRETT MD-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH- INDIANA PA-JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARION WV- MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH- OHIO WV-PRESTON WV-TUCKER WV-TUSCARAWAS OH-VENANGO PA-WASHINGTON PA- WESTMORELAND PA-WETZEL WV- 553 AM EDT MON MAY 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY FLOOD WATCH IN EFFECT UNTIL 4 PM TODAY. A COLD FRONT WILL MOVE THROUGH THE AREA TODAY. SHOWERS AND THUNDERSTORMS WITH HEAVY DOWNPOURS ARE POSSIBLE ALONG WITH GUSTY WINDS. .DAYS TWO THROUGH SEVEN... SLIGHT RISK SEVERE THUNDERSTORMS FOR TUESDAY. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 226 AM EDT MON MAY 24 2004 OHZ048-057-240800- COSHOCTON OH-MUSKINGUM OH- 226 AM EDT MON MAY 24 2004 ...THUNDERSTORMS MOVING INTO THE REGION... THUNDERSTORMS WILL MOVE INTO THE AREA BY 3 AM. SOME OF THESE STORMS WILL CONTAIN HEAVY RAIN, WIND GUSTS 40 TO 50 MPH, HAIL AND FREQUENT LIGHTNING STRIKES. STORMS ARE MOVING TOWARD THE EAST AROUND 40 MPH. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 308 AM EDT MON MAY 24 2004 OHZ039>041-049-058-240830- CARROLL OH-COLUMBIANA OH-GUERNSEY OH-HARRISON OH-TUSCARAWAS OH- 308 AM EDT MON MAY 24 2004 ...THUNDERSTORMS MOVING INTO THE REGION... THUNDERSTORMS WILL MOVE ACROSS THE AREA DURING THE PREDAWN HOURS. SOME OF THESE STORMS WILL CONTAIN HEAVY RAIN, WIND GUSTS 40 MPH, HAIL AND LIGHTNING STRIKES. STORMS ARE MOVING TOWARD THE EAST AROUND 40 MPH. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 334 AM EDT MON MAY 24 2004 PAZ013-020-241000- BEAVER PA-LAWRENCE PA- 334 AM EDT MON MAY 24 2004 ...THUNDERSTORMS MOVING INTO THE REGION... THUNDERSTORMS WILL MOVE INTO THE REGION DURING THE PREDAWN HOURS AFTER 4 AM. SOME OF THESE STORMS WILL CONTAIN HEAVY RAIN, WIND GUSTS 40 MPH, HAIL AND LIGHTNING STRIKES. STORMS ARE MOVING TOWARD THE NORTHEAST AROUND 40 MPH. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 437 AM EDT MON MAY 24 2004 PAZ008-014-020-021-029-031-WVZ001>004-241000- ALLEGHENY PA-BEAVER PA-BROOKE WV-BUTLER PA-GREENE PA-HANCOCK WV- MARSHALL WV-OHIO WV-VENANGO PA-WASHINGTON PA- 437 AM EDT MON MAY 24 2004 ...EARLY MORNING THUNDERSTORMS MOVING INTO THE REGION... THUNDERSTORMS WITH GUSTY WINDS, HEAVY RAIN AND SOME HAIL ALONG WITH FREQUENT LIGHTNING STRIKES WILL MOVE THROUGH THE AREA BEFORE DAWN. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS. THIS AREA IS IN A FLOOD WATCH TILL 4 PM THIS AFTERNOON.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 512 AM EDT MON MAY 24 2004 PAZ008-009-015-016-022-023-030-032-241100- ARMSTRONG PA-CLARION PA-FAYETTE PA-FOREST PA-INDIANA PA-JEFFERSON PA- VENANGO PA-WESTMORELAND PA- 512 AM EDT MON MAY 24 2004 ...EARLY MORNING THUNDERSTORMS... THUNDERSTORMS WITH WIND GUSTS 30 TO 40 MPH...HAIL...AND FREQUENT LIGHTNING STRIKES WILL MOVE THROUGH THE AREA BEFORE 7AM. HEAVY RAIN WILL ALSO ACCOMPANY THESE STORMS. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS. THIS AREA IS IN A FLOOD WATCH TILL 4 PM THIS AFTERNOON.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 542 AM EDT MON MAY 24 2004 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-241041- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA- CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA- FOREST PA-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH-INDIANA PA- JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARSHALL WV-MERCER PA- MONROE OH-MUSKINGUM OH-NOBLE OH-OHIO WV-TUSCARAWAS OH-VENANGO PA- WASHINGTON PA-WESTMORELAND PA- 542 AM EDT MON MAY 24 2004 SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES... IN PENNSYLVANIA... ALLEGHENY ARMSTRONG BEAVER BUTLER CLARION FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MERCER VENANGO WASHINGTON WESTMORELAND IN WEST VIRGINIA... BROOKE HANCOCK MARSHALL OHIO IN OHIO... BELMONT CARROLL COLUMBIANA COSHOCTON GUERNSEY HARRISON JEFFERSON MONROE MUSKINGUM NOBLE TUSCARAWAS
The Pittsburgh radar (KPBZ), 104 km away, was scanning. The volume nearest the first event began at 09:57 UTC.
1 flash flood. Local standard time, as filed.
French Creek flooded and caused the closing of Deer Creek Rd and Creek Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2004Every state in 2004This day in weather historyWarnings in Pennsylvania, May 2004
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: 5399402.