Isolated severe thunderstorms developed near a weak boundary over Southeast Ohio and Western Pennsylvania.
Every event with a place to put it. 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 episode as NWS PBZ wrote it up.
Isolated severe thunderstorms developed near a weak boundary over Southeast Ohio and Western Pennsylvania.
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 Aug 25, 5:28 PM EST, 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 628 PM EDT SAT AUG 25 2007 .SYNOPSIS... A COLD FRONT WILL PUSH ACROSS THE UPPER OHIO VALLEY REGION TONIGHT. SOME STRONG THUNDERSTORMS ARE EXPECTED AHEAD OF AND ALONG THE FRONT. HIGH PRESSURE WILL USHER IN DRIER AIR ON SUNDAY. THE NEXT COLD FRONT WILL BRING ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS ON WEDNESDAY. && .NEAR TERM /THROUGH SUNDAY/... THUNDERSTORMS AREA MOVING INTO THE SOUTHEAST OHIO COUNTIES AND FORECAST HAS BEEN UPDATED FOR A SEVERE THUNDERSTORM WATCH UNTIL 11 PM FOR MOST OF THE CWA. HAVE REDUCED THE POPS FOR OVERNIGHT AS COVERAGE OF THE SHOWERS AND THUNDERSTORMS IS MORE SCATTERED THAN NUMEROUS. FOR SUNDAY...THE FRONT SLOWS DOWN A BIT AS IT MOVES EAST OF THE MTNS...WITH BOTH NAM/GFS SHOWING SOME WEAK FORCING PERSISTING ALONG THE FAR SE RIDGES. THUS...WILL USE LOW CHANCE POPS FOR PRESTON/TUCKER/GARRETT COUNTIES SUNDAY...WITH ALL OTHER AREAS DRY AS HIGH PRESSURE BUILDS IN. NOTICEABLY MORE COMFORTABLE CONDITIONS WILL PREVAIL...WITH HIGH TEMPERATURES IN THE UPPER 70S TO LOWER 80S AND LOWER HUMIDITY LEVELS. && .SHORT TERM /SUNDAY NIGHT THROUGH MONDAY/... SURFACE HIGH PRESSURE CENTERED OVER THE EASTERN GREAT LAKES SUNDAY NIGHT WILL SLIDE EASTWARD OFF THE NEW ENGLAND COAST BY TUESDAY. UPPER RIDGE WILL MOVE EAST FROM THE SOUTHERN PLAINS INTO THE LOWER MS VALLEY BY LATE TUESDAY. TEMPERATURES WILL CLIMB BACK ABOVE NORMAL DURING THE FIRST PART OF THE WEEK. && .LONG TERM /MONDAY NIGHT THROUGH SATURDAY/... UPPER TROUGH MOVING ACROSS SOUTHERN CANADA WILL PUSH ASSOCIATED COLD FRONT THOUGH THE UPPER OHIO VALLEY WEDNESDAY AND WEDNESDAY NIGHT WITH SURFACE WAVE RIDING ALONG THE FRONT. WILL MENTION CHANCE POPS WEDNESDAY INTO THURSDAY. SURFACE HIGH BEHIND SYSTEM WILL BRING DRIER AIR BACK INTO THE REGION FOR FRIDAY AND SATURDAY AND TEMPERATURES SHOULD DROP TO A FEW DEGREES BELOW THE NORM. && .AVIATION /00Z SUNDAY THROUGH THURSDAY/... SCATTERED MVFR WITH ISOLATED IFR CONDITIONS CAN BE EXPECTED THIS EVENING WITH TSTMS ALONG/AHEAD OF THE COLD FRONT. A FEW TSTMS COULD PRODUCE WIND GUSTS TO 35KT. POST-FRONT...MVFR CONDITIONS WILL DEVELOP IN FOG OVERNIGHT. VFR CONDITIONS WILL WORK IN FOR ALL AREAS BY LATE SUNDAY MORNING AS HIGH PRESSURE BUILDS IN. OTHER THAN FOR PATCHES OF MVFR IN LIGHT FOG AROUND SUNRISE EARLY IN THE WEEK...VFR WILL PREVAIL THROUGH TUESDAY. THE NEXT FRONTAL SYSTEM WILL AFFECT THE AREA FOR MIDWEEK WITH AREAS OF MVFR CONDITIONS POSSIBLE. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 301 AM EDT SAT AUG 25 2007 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-260715- GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON- JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO- FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY- ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK- BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER- 301 AM EDT SAT AUG 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND THIS EVEING WITH AN APPROACHING COLD FRONT. THERE IS A SLIGHT RISK THAT THE STORMS COULD REACH SEVERE LEVELS WITH THE PRIMARY THREAT BEING FROM DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATER THIS AFTERNOON AND EARLY THIS EVENING. 15
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 439 PM EDT SAT AUG 25 2007 PAZ008-252145- VENANGO PA- 439 PM EDT SAT AUG 25 2007 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH NORTHERN VENANGO COUNTY... AT 433 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 9 MILES NORTHWEST OF SUGARCREEK...MOVING EAST AT 35 MPH. THESE STORMS WILL CONTAIN HEAVY DOWNPOURS...HAIL AND WIND GUSTS IN EXCESS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... OIL CITY...OIL CREEK STATE PARK...SUGARCREEK...AHRENSVILLE AND POINT HILL KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 510 PM EDT SAT AUG 25 2007 PAZ009-252215- FOREST PA- 510 PM EDT SAT AUG 25 2007 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH FOREST COUNTY... AT 507 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 2 MILES NORTH OF STEWART RUN...OR ABOUT 5 MILES WEST OF WEST HICKORY...MOVING EAST AT 40 MPH. THESE STORMS WILL CONTAIN HEAVY DOWNPOURS...HAIL AND WIND GUSTS IN EXCESS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... BALLTOWN...KELLETTVILLE...LYNCH...TIONESTA AND WEST HICKORY KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 527 PM EDT SAT AUG 25 2007 OHZ068-252230- NOBLE OH- 527 PM EDT SAT AUG 25 2007 ...STRONG THUNDERSTORMS... STRONG THUNDERSTORMS TO MOVE THROUGH NOBLE COUNTY... AT 522 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 15 MILES WEST OF DUDLEY...OR ABOUT 9 MILES SOUTH OF RURALDALE...MOVING NORTHEAST AT 30 MPH. THESE STORMS WILL CONTAIN HEAVY DOWNPOURS...HAIL AND WIND GUSTS IN EXCESS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... BELLE VALLEY...CALDWELL...DUDLEY...SARAHSVILLE AND SUMMERFIELD KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 548 PM EDT SAT AUG 25 2007 OHZ048-252245- COSHOCTON OH- 548 PM EDT SAT AUG 25 2007 ...STRONG THUNDERSTORMS... STRONG THUNDERSTORMS MOVING THROUGH COSHOCTON COUNTY... AT 546 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS OVER COOPERDALE...MOVING EAST AT 30 MPH. THESE STORMS WILL CONTAIN HEAVY DOWNPOURS...HAIL AND WIND GUSTS IN EXCESS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... CONESVILLE...COOPERDALE...COSHOCTON...NELLIE AND PLAINFIELD KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 629 PM EDT SAT AUG 25 2007 OHZ069-252330- MONROE OH- 629 PM EDT SAT AUG 25 2007 ...LINE OF STRONG THUNDERSTORMS... LINE OF STRONG THUNDERSTORMS TO MOVE THROUGH SOUTHERN MONROE COUNTY... AT 625 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 4 MILES WEST OF GRAYSVILLE...MOVING EAST AT 30 MPH. THESE STORMS WILL CONTAIN HAIL...HEAVY DOWNPOURS AND WIND GUSTS IN EXCESS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... ANTIOCH...BENWOOD...CAMERON...GRAYSVILLE AND LEWISVILLE KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND WESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA.
The Cleveland radar (KCLE), 130 km away, was scanning. The volume nearest the first event began at 22:29 UTC.
1 thunderstorm wind. Local standard time, as filed.
Law enforcement reported trees down at the intersection of SR 16 and SR 83.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2007Every state in 2007This day in weather historyWarnings in Ohio, August 2007
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: 53994.