Scattered severe thunderstorms developed ahead of and along a cold front moving across the upper Ohio Valley.
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.
Scattered severe thunderstorms developed ahead of and along a cold front moving across the upper Ohio Valley.
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 Jun 26, 1:39 PM EST, 2 hours 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 239 PM EDT FRI JUN 26 2009 .SYNOPSIS... A COLD FRONT WILL SLIDE SOUTHEAST ACROSS THE REGION THIS EVENING BRINGING A ROUND OF STORMS. HIGH PRESSURE WILL THEN BUILD IN FOR SATURDAY. ANOTHER FRONTAL SYSTEM WILL CROSS ON SUNDAY. A GENERALLY UNSETTLED PERIOD IS EXPECTED FOR NEXT WEEK. && .NEAR TERM /THROUGH TONIGHT/... COLD FRONT WILL MOVE SOUTHEAST OF THE REGION BY 3Z THIS EVENING...WITH HIGH PRESSURE BUILDING IN FROM THE WEST. AMPLE INSTABILITY ALONG AND AHEAD OF THIS FRONT FOR THIS EVENING...WITH CAPES AROUND 2500. SHEAR IS MINIMAL FOR TORNADOGENESIS...BUT POTENTIAL FOR LARGE HAIL AND DAMAGING WINDS STILL EXIST. && .SHORT TERM /SATURDAY THROUGH SUNDAY/... HIGH PRESSURE RIDGE IN PLACE FOR SATURDAY...WILL PROVIDE MAINLY CLEAR SKIES. NEXT TROUGH APPROACHES SUNDAY MORNING...WITH MAIN SURFACE TROUGH AXIS CROSSING 18-00Z TIMEFRAME. THIS BOUNDARY SHOULD BE SUFFICIENT TO INITIATE CONVECTION. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... A 500H TROUGH WILL SETTLE INTO THE WESTERN GREAT LAKES REGION SUNDAY NIGHT...AND REMAIN NEARLY STATIONARY INTO WEDNESDAY. THIS WILL LEAD TO A RELATIVELY COOL AND UNSETTLED PERIOD WITH SURFACE TROUGHS PIVOTING AROUND THIS UPPER LOW. THE UPPER TROUGH WILL SLOWLY DRIFT EAST OFF THE NEW ENGLAND COAST BY FRIDAY...WITH UNSETTLED WEATHER CONTINUING ACROSS CWA DURING THE PERIOD. && .AVIATION /19Z FRIDAY THROUGH WEDNESDAY/... AT 18Z COLD FRONT ON A LINE FROM JUST WEST OF BFD TO EAST OF YNG AND NORTH OF ZZV. EXPECT FRONT TO PASS PIT AROUND 22Z AND BE EAST OF CWA BY 27//0100Z. VISIBLE SATELLITE SHOWS SOME CONVECTION INITIATING ALONG THE FRONT...BUT STRONGEST CONVECT APPEARS TO BE NORTHEAST OF CWA WITH JET ROTATING AROUND VORTEX CENTERED NORTH OF UPSTATE NEW YORK. MORNING STRATUS HAS BURNED OFF AND LIFTED/BURNED OFF WITH VFR CONDITIONS OUTSIDE OF THUNDERSTORMS. TERMINALS CONTAIN BRIEF TWO HOUR PERIOD OF IFR AROUND FRONTAL PASSAGE IN THUNDERSTORMS. EXPECT CLEARING SKIES OVERNIGHT WITH LIGHT WINDS. AREAS OF IFR FOG/STRATUSDEVELOPING AROUND DAYBREAK...BUT IMPROVING TO VFR BY MID MORNING. EXPECT GENERAL VFR CONDITIONS THROUGH AT LEAST MIDDAY SUNDAY UNTIL NEXT COLD FRONT APPROACHES REGION WITH SCATTERED THUNDERSTORMS SUNDAY AFTERNOON AND EVENING. CLOSED UPPER LOW MOVES SOUTHEAST THROUGH THE GREAT LAKES MONDAY WITH ANOTHER ROUND OF SHOWERS/THUNDERSTORMS THROUGH THE BEGINNING OF NEXT WEEK WITH MVFR CONDS PREVAILING. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 248 PM EDT FRI JUN 26 2009 OHZ039>041-048-PAZ007>009-013-271900- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-MERCER-VENANGO-FOREST- LAWRENCE- 248 PM EDT FRI JUN 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA AND WEST CENTRAL PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-OHZ049-050-057>059-068-069-PAZ014>016-020>023-029>032- WVZ001>004-012-021>023-041-271900- GARRETT-HARRISON-JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE- MONROE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-ARMSTRONG- INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK-BROOKE-OHIO- MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER- 248 PM EDT FRI JUN 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THE MAIN HAZARDS WILL BE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 258 PM EDT FRI JUN 26 2009 OHZ069-WVZ012-021-262000- MARION WV-MONROE OH-WETZEL WV- 258 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MONROE...MARION AND WETZEL... AT 258 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS OVER ANTIOCH...MOVING SOUTHEAST AT 20 MPH. THESE STORMS WILL CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 35 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... GRAYSVILLE... ANTIOCH... ROUND BOTTOM... BENWOOD... FLY... HANNIBAL... NEW MARTINSVILLE... PORTERS FALLS... WILEYVILLE... PINE GROVE... JACKSONBURG... SMITHFIELD... 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 311 PM EDT FRI JUN 26 2009 PAZ009-015-016-262015- CLARION PA-FOREST PA-JEFFERSON PA- 311 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... JEFFERSON...FOREST AND CLARION... AT 310 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 5 MILES SOUTHWEST OF HOMINY RIDGE...OR ABOUT 5 MILES SOUTHWEST OF COOK FOREST STATE PARK...MOVING SOUTHEAST AT 20 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... COOK FOREST STATE PARK... REDCLYFFE... CLEAR CREEK STATE PARK... SUMMERVILLE... BROOKVILLE... BROCKWAY... REYNOLDSVILLE... 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 344 PM EDT FRI JUN 26 2009 PAZ014-020-022-262015- ARMSTRONG PA-BEAVER PA-BUTLER PA- 344 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... ARMSTRONG...BEAVER AND BUTLER... AT 339 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED SCATTERED THUNDERSTORMS FROM NORTHERN ARMSTRONG THROUGH BEAVER AND INTO SOUTHERN BEAVER COUNTIES. THE STORMS WERE MOVING TO THE SOUTHEAST ABOUT 20 MPH. THEY WILL PRODUCE DANGEROUS LIGHTNING...BRIEF HEAVY DOWNPOURS...AND WINDS GUSTING TO ABOUT 35 MPH.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 435 PM EDT FRI JUN 26 2009 PAZ021-029-030-262115- ALLEGHENY PA-WASHINGTON PA-WESTMORELAND PA- 435 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... WASHINGTON...ALLEGHENY AND WESTMORELAND... AT 430 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED SCATTERED THUNDERSTORMS IN SOUTHWEST ALLEGHENY COUNTY ...MOVING SOUTHEAST AT 20 MPH. THE STORM WILL AFFECT THE FOLLOWING LOCATIONS BETWEEN 440 PM AND 510 PM...KIRWAN HEIGHTS...UPPER ST CLAIR...MOUNT LEBANON...LONGVIEW. BE ALERT FOR DANGEROUS LIGHTNING...BRIEF GUSTY WINDS TO NEAR 40 MPH...SMALL HAIL...AND HEAVY DOWNPOURS. 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 440 PM EDT FRI JUN 26 2009 WVZ021>023-262115- MARION WV-MONONGALIA WV-PRESTON WV- 440 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MARION...PRESTON AND MONONGALIA... AT 436 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED THUNDERSTORMS OVER NORTHERN MONONGALIA COUNTY MOVING SOUTHEAST AT ABOUT 25 MPH. THE STORM WILL MOVE OVER MORGANTOWN BETWEEN 445 PM AND 515 PM. BE ALERT FOR GUSTY WINDS TO NEAR 40 MPH...DANGEROUS LIGHTNING...SMALL HAIL...AND HEAVY DOWNPOURS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 445 PM EDT FRI JUN 26 2009 PAZ016-022-023-030-262130- ARMSTRONG PA-INDIANA PA-JEFFERSON PA-WESTMORELAND PA- 445 PM EDT FRI JUN 26 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... ARMSTRONG...WESTMORELAND...INDIANA AND JEFFERSON... AT 441 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED THUNDERSTORMS OVER SOUTHERN JEFFERSON...WESTERN INDIANA...AND SOUTHERN ARMSTRONG COUNTIES. THE STORMS WERE MOVING TO THE SOUTHEAST ABOUT 20 MPH. BE ALERT FOR DANGEROUS LIGHTNING...SMALL HAIL...GUSTY WINDS TO NEAR 40 MPH AND HEAVY DOWNPOURS.
The Pittsburgh radar (KPBZ), 31 km away, was scanning. The volume nearest the first event began at 21:29 UTC.
2 thunderstorm wind. Local standard time, as filed.
Law enforcement reported large trees down across road in South Park TWP.
Law enforcement reported trees down near Denningsville.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2009Every state in 2009This day in weather historyWarnings in Pennsylvania, June 2009
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: 179839, 179840.