An isolated and slow moving thunderstorm produced flash flooding in the South Hills of Pittsburgh.
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.
An isolated and slow moving thunderstorm produced flash flooding in the South Hills of Pittsburgh.
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 28, 6:31 PM EST, 1 hour 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 731 PM EDT SAT JUN 28 2014 .SYNOPSIS... COVERAGE OF SHOWERS AND THUNDERSTORMS WILL INCREASE INTO SUNDAY WITH AN UNSETTLED PATTERN EXPECTED FOR MUCH OF THE WORK WEEK. && .NEAR TERM /THROUGH SUNDAY/... AS CAPE VALUES DECREASE WITH THE SETTING SUN...AND NO REAL FORCING MECHANISM TO SPEAK OF...SCATTERED SHOWER AND THUNDERSTORM ACTIVITY SHOULD DIE DOWN QUICKLY. A FEW COULD LINGER UNTIL AFTER SUNSET...FIRING OFF OF RESIDUAL OUTFLOW BOUNDARIES SPLAYING THROUGHOUT THE SRN HALF OF THE CWA...BUT SHOWERS SHOULD REMAIN FAIRLY BRIEF. ...PREVIOUS DISCUSSION... MODELS SHOW A SHORTWAVE APPROACHING LATE SUNDAY...BUT OVERALL FORCING SEEMS TO BE ON THE WEAK SIDE WITH BEST DYNAMICS NORTH OF THE REGION. WHILE MOS SHOWS LIKELY POPS...JUST DO NOT SEE ENOUGH COVERAGE TO DICTATE AN INCREASE FROM CHANCE POPS TO LIKELY POPS IN THE FORECAST...ESPECIALLY WITH HIGH RESOLUTION MODELS KEEPING MUCH OF THE PRECIPITATION ACROSS WESTERN OHIO DURING THE DAYTIME. INCREASING CLOUDS SHOULD KEEP TEMPERATURES SLIGHTLY COOLER THAN SATURDAY. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... MOISTURE AND INSTABILITY WILL CONTINUE TO INCREASE AS THE UPPER RIDGE CONTINUES TO TRANSITION EAST AND A SLOW MOVING COLD FRONT APPROACHES FROM THE WEST. AS THE FRONT ADVANCES MODEL PROGS STILL SUPPORT LIKELY POPS BY TUESDAY...AND MINIMAL CHANGE WAS NEEDED TO THE ONGOING SHORT TERM FORECAST THIS AFTERNOON. TEMPERATURES WILL REMAIN SLIGHTLY ABOVE NORMAL. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... REDUCED TEMPS AND GRADUALLY DIMINISHING POPS WL HIGHLIGHT THE LONG TERM PD AS MDLS ARE IN GOOD GENL AGRMNT IN SLOW PROGRESSION OF AN UPR TROF ACRS ERN NORTH AMERICA. PERSISTENCE AND INCOMING WPC GUIDANCE WERE THE CORNERSTONES OF THE EXTENDED PROGNOSIS. && .AVIATION /00Z SUNDAY THROUGH THURSDAY/... SCATTERED SHRA ACROSS MAINLY SW PA AT THIS POINT. THESE WILL DANCE AROUND OR BRIEFLY OVER PIT/AGC/LBE WITH PERHAPS A QUICK VSBY REDUCTION. ZZV WILL HAVE SOME LINGERING LIGHT RAIN FOR AN HOUR OR TWO. OTHER SITES SHOULD REMAIN DRY AND VFR. THE OVERNIGHT PERIOD SHOULD BE QUIET WITH LITTLE IF ANY FOG EXPECTED. MOISTURE IS ON THE INCREASE AFTER 06Z...AND EXPECT BETTER SHRA/TSRA CHANCES FROM 14Z ON AREAWIDE. HANDLING WITH VCTS FOR NOW. .OUTLOOK.../SUNDAY NIGHT THROUGH THURSDAY/... RESTRICTION CHCS WL INCRS FOR MUCH OF THE WORK WEEK AS A CPL OF CDFNTS ARE PROJECTED TO INVADE THE UPR OH REGION. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 331 AM EDT SAT JUN 28 2014 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029-031-073>076-WVZ001>004-012-021>023-041-290745- 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-GREENE-WESTMORELAND-WESTMORELAND RIDGES- FAYETTE-FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION- MONONGALIA-PRESTON-TUCKER- 331 AM EDT SAT JUN 28 2014 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. 07
The Pittsburgh radar (KPBZ), 20 km away, was scanning. The volume nearest the first event began at 00:35 UTC.
4 flash flood. Local standard time, as filed.
Law enforcement reported flash flooding at Swallow Hill Road and Greentree Road with one trapped stranded vehicle.
The Bower Hill Volunteer Fire department in Scott reported 27 water emergencies due to flash flooding in the area.
Law enforcement reported 2 vehicles stuck in flash flooding of the I-376 exit.
Law enforcement reported a person trapped in vehicle form rising water near Carnegie. Numerous roads quickly flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2014Every state in 2014This day in weather historyWarnings in Pennsylvania, June 2014
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: 517165, 517166, 517164, 517163.