1 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 22, 4:50 AM EST, 8 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 550 AM EDT SAT MAY 22 2004 HAVE DECIDED TO EXTEND THE FFA THROUGH THIS EVENING FOR THE NRN ZONES...WHERE WIDESPREAD RA/+RA AGAIN FELL LAST NIGHT. IN ADDITION...THIS AREA SEEMS TO HAVE THE BTR CHC FOR TSRA AS PER MDL WORLD ADVECTING WARMER MID LVL AIR OVR THE SRN CNTIES/LIFTING FRONT NWD. OUTFLOW BNDRIES AND TRACK OF ONGOING MCS WELL TO THE WEST MAY DESTROY THIS REASONING. FOR NOW...WL SUFFICE. && .PREVIOUS DISCUSSION... WARM SOUTHWEST FLOW WILL CONTINUE TO DOMINATE THE FORECAST AREA INTO THE MIDDLE OF THE WEEK WITH ABOVE NORMAL TEMPERATURES AND A RISK OF THUNDERSTORMS. TRAINING THUNDERSTORMS CONTINUE TO PROVIDE HEAVY RAINFALL ACROSS NW PA THIS AM. WITH GROUND WELL SATURATED IN MOST ZONES WILL KEEP FLOOD WATCH UP THROUGH 7 AM. WATCH MAY NEED TO BE EXTENDED LATER TODAY AS STORMS DEVELOP WITH AFTERNOON HEATING. && .PBZ WATCHES/WARNINGS/ADVISORIES... .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...FLOOD WATCH THROUGH 8 PM THIS EVENING FOR OHZ041. PA...FLOOD WATCH THROUGH 8 PM THIS EVENING FOR PAZ007>009...PAZ013>016...PAZ020>023...PAZ030. WV...NONE. && 15
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 622 AM EDT SAT MAY 22 2004 MDZ001-OHZ039>041-049-050-058-059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-221017- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA- CARROLL OH-CLARION PA-COLUMBIANA 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-NOBLE OH-OHIO WV-PRESTON WV-TUCKER WV- TUSCARAWAS OH-VENANGO PA-WASHINGTON PA-WESTMORELAND PA-WETZEL WV- 622 AM EDT SAT MAY 22 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY A FLASH FLOOD WATCH REMAINS IN EFFECT ALONG AND NORTH OF A LINE FROM COLUMBIANA COUNTY TO WESTMORELAND COUNTY. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN THIS AFTERNOON. THERE IS A SLIGHT CHANCE THAT THE STORMS MAY BECOME SEVERE. THE PRIMARY SEVERE THREAT WILL BE FROM HAIL AND DAMAGING WIND. .DAYS TWO THROUGH SEVEN... THERE IS A SLIGHT CHANCE THAT SCATTERED STORMS MAY BECOME SEVERE AGAIN ON SUNDAY AND MONDAY. THE PRIMARY SEVERE THREAT WILL BE FROM HAIL AND DAMAGING WIND. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 15
PRELIMINARY LOCAL STORM REPORT ... CORRECTION
NATIONAL WEATHER SERVICE PITTSBURGH PA
836 AM EDT SAT MAY 22 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0530 AM FLASH FLOOD 3 SE SALEM 40.87N 80.81W
05/22/2004 COLUMBIANA OH LAW ENFORCEMENT
STREAM FLOODED. WOMAN EVACUATED BY BOAT
0500 AM FLASH FLOOD BIG BEAVER 40.82N 80.36W
05/22/2004 BEAVER PA EMERGENCY MNGR
SHENANGO ROAD CLOSED DUE TO FLOODING.
0500 AM FLASH FLOOD ZELIENOPLE 40.79N 80.14W
05/22/2004 BUTLER PA EMERGENCY MNGR
PINE RUN ROAD CLOSED DUE TO FLOODING.
0415 AM FLASH FLOOD SAXONBURG 40.75N 79.82W
05/22/2004 BUTLER PA EMERGENCY MNGR
NUMEROUS FLOODED BASEMENTS
0330 AM FLASH FLOOD GREENVILLE 41.41N 80.38W
05/22/2004 MERCER PA EMERGENCY MNGR
BASEMENTS FLOODED
0305 AM TSTM WND DMG SAXONBURG 40.75N 79.82W
05/22/2004 BUTLER PA EMERGENCY MNGR
TREES DOWN
0300 AM FLASH FLOOD NEW BEAVER 40.88N 80.36W
05/22/2004 LAWRENCE PA EMERGENCY MNGR
ROUTES 351 AND 551 CLOSED DUE TO FLOODING. ROADS CLOSED
IN ENON VALLEY AND ELLWOOD CITY.
0240 AM TSTM WND DMG NEW CASTLE 41.00N 80.35W
05/22/2004 LAWRENCE PA EMERGENCY MNGR
WIDESPREAD TREES DOWN NORTHERN HALF OF COUNTY
0230 AM TSTM WND DMG ROCHESTER 40.70N 80.28W
05/22/2004 BEAVER PA EMERGENCY MNGR
TREES DOWN
0230 AM TSTM WND DMG FREEDOM 40.68N 80.25W
05/22/2004 BEAVER PA EMERGENCY MNGR
TREES DOWN
0215 AM TSTM WND DMG COLUMBIANA 40.89N 80.69W
05/22/2004 COLUMBIANA OH LAW ENFORCEMENT
TREES DOWN.
&&
RS/WJDThe national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
On the Muskingum River, Coshocton reached flood stage (15 ft) at 2 PM EDT, and crested at 15 ft, then fell.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2004Every state in 2004This day in weather historyWarnings in Ohio, 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: 5399421.