An area of moderate rainfall with localized heavy showers brought isolated areas of flooding to Sullivan county. Rainfall amounts of 3 to 5 inches fell in the hardest hit areas, where some roads were closed and homes suffered minor flooding.
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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 BGM wrote it up.
An area of moderate rainfall with localized heavy showers brought isolated areas of flooding to Sullivan county. Rainfall amounts of 3 to 5 inches fell in the hardest hit areas, where some roads were closed and homes suffered minor flooding.
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 Binghamton, NY wrote its last area forecast discussion before the first event at Jul 29, 11:42 PM EST, 48 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 1242 AM EDT THU JUL 30 2009 .SYNOPSIS... A STORM SYSTEM WILL MOVE NORTHEAST THROUGH NEW ENGLAND OVERNIGHT. AS A RESULT...RAIN WILL COME TO AN END...WITH A RETURN TO DRY WEATHER THURSDAY. A NEW STORM SYSTEM WILL BRING ANOTHER CHANCE FOR STORMS ON FRIDAY BEFORE DRY WEATHER RETURNS FOR THE START OF THE WEEKEND. TEMPERATURES WILL REMAIN NEAR NORMAL THROUGH THE END OF THE WEEK. && .NEAR TERM /THROUGH TODAY/... BOTH THE SHORT AND LONG TERM DISCUSSION...ALONG WITH THE FORECAST HAS BEEN SENT EARLY TODAY GIVEN THE SEVERE WEATHER/FLASH FLOODING THREAT. SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE EASTERN THIRD OF THE CWA UNTIL 0Z. AREA OF LOW PRESSURE OVER OHIO WITH AN ASSOCIATED H5 TROF WILL LIFT NORTHEAST LATE TODAY AND TONIGHT. IN ADVANCE OF THESE FEATURES LIGHT TO MODERATE RAIN HAS SPREAD ACROSS THE WESTERN 2/3RDS OF PA AND ACROSS MOST OF SW NY STATE. FARTHER EAST ON THE LEADING EDGE OF THE RAIN SHIELD...THE ATMOSPHERE IS MORE UNSTABLE AND WILL SUPPORT SEVERE THUNDERSTORMS THIS AFTERNOON. SBCAPE VALUES ARE ABOVE 1000 J/KG EAST OF I-81 AND AROUND 1500 J/KG FROM NE PA TO JUST EAST OF BINGHAMTON ACROSS THE CATSKILLS. IT WILL BE HERE...FROM NE PA TO BINGHAMTON...NORTHEAST TO UTICA...EASTWARD WHERE THE GREATEST POTENTIAL FOR SEVERE WEATHER WILL EXIST THROUGH EVENING. WIND BIGGEST THREAT FOLLOWED BY HAIL. CHANCES FOR ISOLATED TORNADOES INCREASE THIS AFTERNOON AS HELICITY VALUES INCREASE. RUC SOUNDING FROM KAVP SHOWS BOTH SPEED AND DIRECTIONAL SHEAR. NAM40 0-1KM BULK SHEAR VALUES INCREASE TO BETWEEN 20-25 KTS BY 21Z IN THIS AREA. THE SECOND THREAT FOR THE STORMS TODAY WILL BE THE POTENTIAL FOR FLASH FLOODING. MAIN AREA OF WIDESPREAD LIGHT TO MODERATE RAIN WILL INITIALLY FOCUS ON THE NORTHWESTERN PART OF THE CWA WITH MORE CONVECTION EXPECTED EAST. HEAVY RAIN IS LIKELY THIS AFTERNOON INTO THIS EVENING AS PWATS INCREASE TO AROUND 2 INCHES....OUR WARM CLOUD DEPTH EXTENDS UP TO 14KFT...WE HAVE COMPLETE SATURATION UP TO 20KFT AND A 50KT LLJ DEVELOPS TOWARD 0Z AROUND 5KFT. THIS ALL POINTS TO THE POSSIBILITY OF FLASH FLOODING. THE HIGHEST THREAT FOR THIS WILL EXISTS ACROSS THE POCONOS AND CATSKILLS WHERE THE FLASH FLOOD GUIDANCE IS A BIT LOWER AND TERRAIN ISSUES WILL COME UP. && .SHORT TERM /TONIGHT THROUGH SATURDAY/... STORM SYSTEM MENTIONED ABOVE PULLS EAST BY DAYBREAK THURSDAY. LINGERING MOISTURE MAY KEEP A FEW SHOWERS AROUND THROUGH MID MORNING ACROSS THE EASTERN CWA. ON THE WHOLE IMPROVING WEATHER IS EXPECTED AS DRIER AIR BUILDS IN FROM THE WEST. A NEW AREA OF LOW PRESSURE BRINGS ANOTHER ROUND OF RAIN...WITH THUNDERSTORMS FRIDAY. THE START OF THE WEEKEND STILL LOOKS GREAT WITH BOTH THE EURO AND GFS SHOWING HIGH PRESSURE IN CONTROL. EARLIER RUNS OF THE GFS DID HAVE MOISTURE LINGERING INTO SATURDAY BUT NOW THE NEWER RUN IS IN LINE WITH A DRIER SOLUTION. H85 TEMPS SATURDAY ARE A BIT COOLER THAN PREVIOUSLY ADVERTISED...12C VS. 14/16C. THIS WILL TRANSLATE TO HIGHS NEAR 80 INSTEAD OF INTO THE 80S. && .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... THIS PERIOD WILL CONTINUE TO BE CHARACTERIZED BY A BROAD SOUTHWEST FLOW ALOFT...IN BETWEEN A GREAT LAKES TROUGH...AND A LARGE HIGH PRESSURE RIDGE IN THE WESTERN ATLANTIC. THE PERIOD STARTS OFF QUIET SATURDAY NIGHT INTO SUNDAY. FROM LATE SUNDAY THROUGH MONDAY...ANOTHER SLOW MOVING COLD FRONT AND ASSOCIATED UPPER-LEVEL WAVE APPROACHES...PROVIDING OUR NEXT CHANCE OF SHOWERS AND THUNDERSTORMS. TUESDAY AND WEDNESDAY...THE ABOVE MENTIONED FRONT IS PROGGED TO STALL JUST TO OUR SOUTH...SOMEWHERE NEAR THE MASON-DIXON LINE. THUS...THE THREAT OF PERIODIC CONVECTION WILL CONTINUE...AS UPPER- LEVEL WAVES RIDE NORTHEASTWARD ACROSS THE AREA. FROM THIS EARLY VANTAGE POINT...THE BEST CHANCES FOR RAINFALL WOULD BE OVER NORTHEAST PA...AND PERHAPS THE CATSKILLS. && .AVIATION /06Z THURSDAY THROUGH MONDAY/... THREAT FOR SVR HAS EASED TNGT BUT NUMEROUS SHWRS AND TRWS CONT OVER MUCH OF THE AREA. THIS PCPN WILL CONT FOR MUCH OF THE EVE AND GNRLY BRING MVFR CIGS AND VSBYS...ALTHOUGH IFR CONDS ARE PSBL AT BGM AND ELM...MAINLY DUE TO CIGS. PCPN SHD TAPER OFF ARND 04Z BUT LWRD CIGS AND VSBY SHD CONT OVRNGT WITH THE ABUNDANT MOISTURE ARND. DRIER AIR AND MIXING EARLY WED SHD ALLOW FOR A RETURN TO VFR CONDS ON THU. SOUTH TO SOUTHWEST WINDS AROUND 10 KT THROUGH EARLY EVENING...WILL BECOME LIGHT OVERNIGHT...THEN INCREASE THURSDAY FROM THE WEST TO ABOUT 10 KT THURSDAY AS WEAK HIPRES BLDS IN. OUTLOOK... FRI...RESTRICTIONS POSSIBLE BY AFTERNOON...WITH SHOWERS/THUNDERSTORMS. SAT...MOSTLY VFR. LATE SUN INTO MON...MORE RESTRICTIONS POSSIBLE IN SHOWERS/THUNDERSTORMS. && .HYDROLOGY... LOCALLY HVY RAINFALL CAN BE EXPECTED THIS AFTERNOON AND EVENING...ESPECIALLY OVER THE POCONOS AND CATSKILLS. RAINFALL OF 1-1.5 INCHES WILL BE POSSIBLE THROUGH THURSDAY MORNING AND HEAVY DOWNPOURS MAY RESULT IN FLOODING OF LOW-LYING AND POOR DRAINAGE AREAS TONIGHT. WHILE THESE AMOUNTS WILL NOT BE HIGH ENOUGH TO RESULT IN SIGNIFICANT RISES ON THE RIVER SYSTEMS...RISES MAY OCCUR ON AREA STREAMS AND CREEKS. IF HEAVY RAINFALL BECOMES MORE CERTAIN...FLOOD WATCHES MAY BE NEEDED LATER ON. ANOTHER ROUND OF POTENTIALLY HEAVY RAIN WILL EXIST ON FRIDAY...AS ANOTHER SYSTEM SWEEPS THROUGH THE AREA. && .BGM WATCHES/WARNINGS/ADVISORIES... PA...NONE. NY...NONE. && SYNOPSIS...DJN NEAR TERM...EMH SHORT TERM...DGM/EMH LONG TERM...MLJ AVIATION...DGM/MLJ HYDROLOGY...
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BINGHAMTON NY 1216 AM EDT THU JUL 30 2009 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-310430- NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND-CHENANGO- OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA- NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE- 1216 AM EDT THU JUL 30 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK...SOUTHEASTERN NEW YORK AND NORTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DJN
The Binghamton radar (KBGM), 101 km away, was scanning. The volume nearest the first event began at 05:28 UTC.
3 flash flood, 1 heavy rain. Local standard time, as filed.
The east branch of Callicoon Creek came out of it's bands at Mowers and More, Inc., along State Route 52. Water flooded the business and displaced numerous trees on either side of the creek. Two large trees were moved the the back of an adjacent house.
Water came out of the banks of the Little Beaverkill river in the town of Livingston Manor on Old Liberty Road. Water was about 3 feet high in one home and covering part of Old Liberty Road. The water was just below the bottom of the bridge across the Little Beaverkill at the intersection of Old Liberty Road and Cross Road.
Five inches of rain was measured before the rain gauge overflowed.
State Route 52 was closed due to flooding and several home evacuations took place.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2009Every state in 2009This day in weather historyWarnings in New York, July 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: 187521, 187522, 187524, 187523.