A slow moving thunderstorm caused flash flooding in a small area of Butler county with over 3 inches of rain in less than 2 hours.
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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.
A slow moving thunderstorm caused flash flooding in a small area of Butler county with over 3 inches of rain in less than 2 hours.
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 2, 1:31 PM EST, 8 hours 29 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 231 PM EDT SAT JUN 2 2007 .SYNOPSIS... UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRING VERY WARM AND HUMID CONDITIONS THROUGH SUNDAY. AFTERNOON HEATING WILL KICK OFF SCATTERED SHOWERS AND THUNDERSTORMS. UPPER RIDGE BREAKS DOWN TONIGHT INTO MONDAY AS CLOSED LOW OVER THE MIDWEST BECOMES A SLOW MOVING OPEN TROF AND MOVES THROUGH THE GREAT LAKES BY TUESDAY WITH A PERIOD OF UNSETTLED WEATHER. WEAK RIDGING DEVELOPS BEHIND THE SHORT WAVE ON WEDNESDAY BRINGING DRY WEATHER THROUGH THURSDAY. && .NEAR TERM /THROUGH SUNDAY/... SCATTERED CONVECTION WILL BE ACROSS REGION INTO THIS EVENING. BEST CHANCES LOOK TO BE ALONG CONVERGENCE ZONE FROM SE OH TO NRN PA AND NEAR RIDGES. CONVECTION WILL DIMINISH THIS EVENING THEN INCREASING CLOUDS AND DEW POINTS OVERNIGHT INTO SUNDAY AS REMNANTS OF BARRY ARE SWEPT NORTH BY TROF IN OH VALLEY. THIS WILL BRING SHOWERS AND EMBEDDED STORMS INCREASING SOUTH TO NORTH DURING DAY SUNDAY WITH LIKELY POPS. TEMPERATURES COOL CONSIDERABLY SUNDAY WITH CLOUDS AND SHOWERS. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/... A CLOSED UPPER LEVEL LOW WILL MOVE INTO THE GREAT LAKES AREA ON SUNDAY NIGHT. THIS LOW WILL MOVE SLOWLY BEFORE OPENING UP AND PULLING OUT TUESDAY NIGHT. SHORT WAVES WILL SWING AROUND THIS LOW GIVING SHOWERS AND THUNDERSTORMS THROUGH TUESDAY NIGHT. && .LONG TERM /WEDNESDAY THROUGH SATURDAY/... UPPER RIDGE BEGINS TO BUILD BACK INTO OUR AREA WEDNESDAY BRINGING A STRETCH OF DRY WEATHER FOR WEDNESDAY THROUGH THURSDAY NIGHT ALONG WITH SLOWLY WARMING TEMPERATURES. ANOTHER WAVE PUSHES INTO THE REGION ON FRIDAY BRINGING THE RETURN OF SHOWERS AND THUNDERSTORMS TO THE AREA. && .AVIATION /18Z SATURDAY THROUGH THURSDAY/... SCATTERED CONVECTION WILL BE HARD TO PLACE AT A SPECIFIC TERMINAL INTO THIS EVENING. BEST CHANCES LOOK TO BE ALONG CONVERGENCE ZONE FROM SE OH TO NRN PA AND NEAR RIDGES WHERE A LATE AFTERNOON MVFR TEMPO GROUP WAS INCLUDED. WENT WITH VCTS KPIT AND IN AREAS AWAY FROM RIDGES. WITH PLENTY OF LOW LEVEL MOISTURE EXPECT MVFR FOG AGAIN TO FORM AFTER SUNSET. THEN AN AREA OF LOWERING MID DECK AND RAIN SHOWERS WILL SPREAD NORTHWARD AS REMNANTS OF BARRY ARE SWEPT NORTH BY TROF IN OH VALLEY. EXPECT MVFR SHOWERS SUNDAY WITH THUNDER POSSIBLE IN THE AFTERNOON. IN THE LONG TERM DEEP TROF WILL REMAIN ACROSS NORTHEAST US WITH SHOWER AND THUNDERSTORM CHANCE INTO TUESDAY BEFORE FRONT PUSHES SOUTH OF REGION. WOULD EXPECT GENERAL VFR CONDITIONS WED-THU ALTHOUGH THUNDERSTORMS MAY BE POSSIBLE ACROSS NORTHERN WITH WARM FRONT WED NIGHT-THURSDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && 66
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 510 AM EDT SAT JUN 2 2007 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-030915- 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- 510 AM EDT SAT JUN 2 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 NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 634 PM EDT SAT JUN 2 2007 PAZ007-013-022330- LAWRENCE PA-MERCER PA- 634 PM EDT SAT JUN 2 2007 ...THUNDERSTORMS... AREA OF SLOW MOVING THUNDERSTORMS ENTERING PORTIONS OF EASTERN MERCER AND LAWRENCE COUNTIES... AT 628 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 14 MILES SOUTH OF FARRELL...OR ABOUT 10 MILES WEST OF NEW CASTLE...MOVING NORTHEAST AT 10 MPH. THESE STORMS WILL PRODUCE VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING STRIKES. HAIL IS ALSO POSSIBLE. BECAUSE OF THE SLOW MOVEMENT OF THESE STORMS...LOCATIONS IN THEIR PATH WILL SEE HIGH RAINFALL AMOUNTS IN A SHORT PERIOD OF TIME. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... FARRELL...HERMITAGE AND SHARON 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. INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 1003 PM EDT SAT JUN 2 2007 PAZ014-030245- BUTLER PA- 1003 PM EDT SAT JUN 2 2007 ...THUNDERSTORMS WITH HEAVY RAIN IN BUTLER COUNTY... AT 1002 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS ABOUT 4 MILES WEST OF BUTLER...MOVING NORTHEAST AT 5 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... FISHER HEIGHTS...GREENWOOD VILLAGE...HOMEACRE...JAMISONVILLE... MERIDIAN...MOUNT CHESTNUT...MOUNT CHESTNUT SPRINGS...NORTHVUE... ONEIDA...QUEEN JUNCTION...WINDWARD HEIGHTS...SHANOR HEIGHTS AND TIMBERLY HEIGHTS. THIS STORM IS PRODUCING FREQUENT LIGHTNING. 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. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND CREEKS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
The Pittsburgh radar (KPBZ), 48 km away, was scanning. The volume nearest the first event began at 03:00 UTC.
1 flash flood. Local standard time, as filed.
Hevay rainfall of over 3 inches in 2 hours caused flash flooding east of SR 308 and west of Route 38 north of the city of Butler. Some roads had fast flowing water over one half foot deep with mud and debris on roadways.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2007Every state in 2007This day in weather historyWarnings in Pennsylvania, June 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: 36097.