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 Jul 17, 7:45 PM EST, 15 minutes earlier.
AREA FORECAST DISCUSSION......UPDATED...... NATIONAL WEATHER SERVICE PITTSBURGH PA 845 PM EDT SUN JUL 17 2005 .SHORT TERM (TODAY THROUGH TUESDAY)... WILL UPDATE PACKAGE FOR SHRA AND TSRA COVERAGE OVERNIGHT. WEAK S/W MAY OF ENHANCED EARLIER CONVECTION AT LEAST IN THE FORM OF PRODUCING A LINE. HOWEVER...CONVECTIVE CORES STILL SIGNIFICANTLY LOWER TODAY THAN YESTERDAY. CURRENTLY GENERAL COVERAGE SHRINKING. ONE LAST CELL WITH A SLIGHT BIT OF TRAINING IN NORTHERN BUTLER. WILL CONTINUE TO WATCH. WITH TDS STILL VERY HIGH WILL CONTINUT TO CARRY MENTION OF HEAVY RAIN. ...PREVIOUS DISCUSSION... RECENT SATELLITE DATA CONTINUES TO SHOW DEEP TROPICAL MOISTURE MOVING ACROSS THE MISSISSIPPI AND OHIO VALLEYS TODAY WITH PRECIPITABLE WATER VALUES REMAINING NEAR 2.0 INCHES. RECENT RADAR DATA CONFIRMS RUC INDICATIONS THAT AT LEAST ONE BAND OF SHOWERS AND THUNDERSTORMS WILL BE MOVING ACROSS THE UPPER OHIO VALLEY LATE THIS AFTERNOON. GFS AND NAM MODELS INDICATE THERE CAN BE ANOTHER ROUND OF THUNDERSTORMS MONDAY AFTERNOON AS A WEAK SHORT-WAVE TROUGH MIGRATES ACROSS THE UPPER OHIO VALLEY. BOTH MODELS THEN SHOW A COLD FRONT MOVING THROUGH THE UPPER OHIO VALLEY MIDDAY TUESDAY WITH ANOTHER BAND OF SCATTERED THUNDERSTORMS PRECEDING THE FRONTAL PASSAGE. DUE TO THE HIGH WATER CONTENT...THE THUNDERSTORMS CAN PRODUCE HEAVY RAINFALL RATES...BUT MOST SHOULD BE OF SUFFICIENT SPEED TO AVOID RAINFALLS OVER 2.5 INCHES WHICH ARE NEEDED FOR FLOODING PROBLEMS. SPC HAS THE SLIGHT RISK OUTLOOK AREA CLOSER TO THE UPPER OHIO VALLEY MONDAY...AS THERE COULD BE AN INCREASE IN VERTICAL SHEAR THEN. THE STORMS WILL HAVE TAP TO MORE SHEAR TUESDAY...BUT THE MIDDAY PASSAGE MAY LIMIT SURFACE-HEATING GENERATED INSTABILITY. && .LONG TERM (TUESDAY NIGHT THROUGH SATURDAY)... GFS AND NAM SHOW NORTHWEST FLOW BRINGING HIGH PRESSURE AND DRIER AIR FOR WEDNESDAY INTO EARLY THURSDAY. A SHORT-WAVE TROUGH EMBEDDED IN THIS FLOW...COUPLED WITH A SUBSEQUENT INCREASE IN LOW-LEVEL MOISTURE MAY BE SUFFICIENT TO CAUSE SCATTERED THUNDERSTORMS LATE THURSDAY INTO FRIDAY. THE GFS INDICATES THE NORTHWEST UPPER FLOW CONTINUING INTO EARLY NEXT WEEK...BUT WITH SUFFICIENT RIDGING OVER THE LOWER OHIO VALLEY...EXPECT TEMPERATURES TO REMAIN WARMER THAN NORMAL AS INDICATED BY GFS MOS VALUES. && .AVIATION... SAME PATTERN WILL REMAIN WITH SURFACE DEWPOINTS HOLDING AROUND 70 AND LIGHT SOUTHWEST FLOW. SCATTERED THUNDERSTORMS WILL FORM DURING THE HEAT OF THE DAY AND PERSIST INTO THE EVENING HOURS. EXPECT IFR CONDITIONS IN AND NEAR THUNDERSTORMS. OUTSIDE OF PRECIPITATION... FORECAST BROKEN CUMULUS AROUND 3000 FEET THROUGH THIS EVENING THEN CUMULUS SCATTERING OUT WITH CIRRUS ABOVE. VISIBILITY WILL LOWER TO MVFR AT TIMES IN AREAS OF HAZE. BETWEEN 08Z AND 14Z MONDAY... CONDITIONS EXPECTED TO LOWER TO IFR IN AREAS OF FOG AND STRATUS SIMILAR TO THIS MORNING. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 431 AM EDT SUN JUL 17 2005 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-180830- 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- 431 AM EDT SUN JUL 17 2005 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 INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 15
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 305 PM EDT SUN JUL 17 2005 MDZ001-OHZ050-059-069-PAZ007>009-013>016-020>023-029>032-WVZ001>004- 012-021>023-041-172000- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA-CLARION PA-FAYETTE PA-FOREST PA-GARRETT MD-GREENE PA-HANCOCK WV-INDIANA PA-JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARION WV-MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-OHIO WV-PRESTON WV-TUCKER WV-VENANGO PA-WASHINGTON PA-WESTMORELAND PA-WETZEL WV- 305 PM EDT SUN JUL 17 2005 ...THUNDERSTORMS... THUNDERSTORMS ONCE AGAIN THIS AFTERNOON HAVE POPPED ACROSS SEVERAL AREAS. THE MOST ACTIVE STORMS EXTENDED FROM SHAWWOOD PARK IN BUTLER COUNTY TO ALIQUIPPA IN BEAVER COUNTY AND TO NEAR CROSS CREEK IN WASHINGTON COUNTY PENNSYLVANIA. MORE STORMS WERE SCATTERED FROM MCKINLEYVILLE IN HANCOCK COUNTY WEST VIRGINIA TO NEAR PEABODY IN WETZEL COUNTY WEST VIRGINIA. THE STORMS WERE MOVING TO THE NORTHEAST ABOUT 20 MPH. BE VERY ALERT FOR FREQUENT DANGEROUS LIGHTNING. ABOUT 500 CLOUD TO GROUND STRIKES PER HOUR ARE OCCURRING WITH THESE STORMS ACROSS THE REGION. ALSO...BE ALERT FOR BRIEF GUSTY WINDS TO 35 MPH AND HEAVY DOWNPOURS. THE STORMS WILL CONTINUE NORTHEAST AND AFFECT PORTIONS OF WESTERN PENNSYLVANIA FROM CLARION AND JEFFERSON COUNTIES TO INDIANA...FAYETTE AND GREENE COUNTIES IN PENNSYLVANIA AS WELL AS MONONGALIA...MARION AND PRESTON COUNTIES IN WEST VIRGINIA BY LATE THIS AFTERNOON.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 426 PM EDT SUN JUL 17 2005 PAZ014>016-021>023-029>032-172130- ALLEGHENY PA-ARMSTRONG PA-BUTLER PA-CLARION PA-FAYETTE PA-GREENE PA-INDIANA PA-JEFFERSON PA-WASHINGTON PA-WESTMORELAND PA- 426 PM EDT SUN JUL 17 2005 ...THUNDERSTORMS... THUNDERSTORMS CONTINUE TO RUMBLE ACROSS THE REGION THIS AFTERNOON. THE MOST ACTIVE STORMS WERE OVER KARNS AND METCALF IN NORTHWEST WESTMORELAND COUNTY...JUST NORTHEAST OF WILKINSBURG IN ALLEGHENY COUNTY AND NEAR LOVER IN EASTERN WASHINGTON COUNTY. THE STORMS WERE MOVING TO THE EAST ABOUT 20 MPH. BE ALERT FOR FREQUENT DANGEROUS LIGHTNING. THE STORMS ARE PRODUCING ABOUT 400 CLOUD TO GROUND LIGHTNING STRIKES PER HOUR IN WESTMORELAND...ALLEGHENY...AND WASHINGTON COUNTIES. ALSO...THERE WILL BE BRIEF HEAVY RAIN OF UP TO THREE QUARTERS OF AN INCH AND WINDS COULD GUST TO NEAR 35 MPH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Rte 8 flooded 3 miles northeast of Slippery Rock, stranding and destroying 1 car.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2005Every state in 2005This day in weather historyWarnings in Pennsylvania, July 2005
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: 5464369.