A stationary front provided the focus for concentrated thunderstorms across the Southern Tier of New York. Rainfall estimates of 2 to 3 inches fell in a very short period of time, causing localized flash flooding in the area.
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 BGM wrote it up.
A stationary front provided the focus for concentrated thunderstorms across the Southern Tier of New York. Rainfall estimates of 2 to 3 inches fell in a very short period of time, causing localized flash flooding in the area.
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 26, 1:59 PM EST, 2 hours 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 259 PM EDT SUN JUL 26 2015 .SYNOPSIS... THUNDERSTORMS THIS AFTERNOON ALONG THE TWIN TIERS AND SOUTHERN CATSKILLS WILL DROP ACROSS NORTHEAST PENNSYLVANIA THIS EVENING. MOST AREAS WILL BE DRY AND WARM ON MONDAY...BUT ISOLATED SHOWERS AND STORMS WILL BE POSSIBLE ACROSS NORTHEAST PENNSYLVANIA ONCE AGAIN. && .NEAR TERM /THROUGH TONIGHT/... WEAK BNDRY CONTS TO DROP SEWRD THIS AFTN HAD HAS TRIGGERRED SCT TSTMS AHD OVER THE NY/PA BRDR. SPS ANALYZED ML CAPE APRCHG 1500 SO THERE/S PLENTY OF INSTABILITY BUT THERE/S LTL SHEAR SO SVR THREAT SHD BE LIMITED. MODELS SHOW THE AXIS OF INSTABILITY AND SFC FNT CONTG TO SAG SWRD THIS EVE CONFINING THE CONV TO THE XTRM SE OVRNGT...WEAKENING WITH THE LACK HTG. LTR TNGT...LGT WINDS AND INCRSD LL MOISTURE WILL RESULT IN PTCHY FOG...ESP ALONG AND SOUTH OF THE BRDR WHERE THE AFTN SHWRS HIT. && .SHORT TERM /MONDAY THROUGH WEDNESDAY/... REMAINS OF THE SFC BNDRY WASHES OUT OVER NEPA MON AND COULD CONT TO TRIGGER ISLTD CONV WITH DAYTIME HTG. HAVE INCLUDED CHANCE OR SLGT CHANCE POPS OVER THE SE FOR THIS PSBLTY. FURTHER TO THE WEST...BLDG UPR HGTS AND BUBBLE HIGH WILL KEEP THE LID ON ANY CONV. HIPRES BLDS IN FOR TUE AND WED AND ALLOW MAINLY SUNNY SKIES AND CNSRBL WRMG. AFTN TEMPS STILL LOOK CLOSE TO 90F ALTHOUGH GUID HAS BACKED OFF A CPL DEGREES ON THE FCSTD TEMPS. RDG ALOFT SHD REALLY ELIMINATE ANY CNCRN FOR ANY CONV STORMS. && .LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/... 245 PM UPDATE... AFTER EXPERIENCING HOT WEATHER FOR A FEW DAYS UPPER LEVEL HEIGHTS GRADUALLY FALL FROM MID WEEK INTO THE WEEKEND ALLOWING FOR A RETURN TO NEAR NORMAL WEATHER FOR MID SUMMER. BEST SHOT FOR PRECIPITATION WILL BE THURSDAY WITH GOOD MODEL AGREEMENT BETWEEN THE GFS AND EURO ON A COLD FRONTAL PASSAGE. 850 TEMPS FALL INTO THE MID TEENS BY FRIDAY WITH HIGHS NEAR 80 FRIDAY AFTERNOON. WEAK BOUNDARY MAY BRING US ANOTHER SHOT AT PRECIP SATURDAY BUT THIS FAR OUT, KEPT IT AT OR BELOW 30% GIVEN SOME UNCERTAINTY. && .AVIATION /19Z SUNDAY THROUGH FRIDAY/... A BOUNDARY CAUSING AFTERNOON SHOWERS AND THUNDERSTORMS WILL IMPACT MAINLY KAVP THIS AFTERNOON. STORMS WILL FIRE NEAR OR JUST SOUTH OF KELM AND KBGM. WHILE A STORM IS POSSIBLE THROUGH 19Z, MOST OF THE CONVECTION WILL REMAIN JUST SOUTH OF THE TERMINALS. AT KAVP BRIEF IFR VSBYS ARE POSSIBLE BUT CONVECTION TOO SCT. TO INCLUDE IN THE TAFS. WILL MENTIONED TSRA DURING THE PEAK TIME OF CONVECTION (20Z TO 23Z) INSTEAD. BEHIND THIS BOUNDARY A BRIEF PERIOD OF MVFR CIGS POSSIBLE NY TERMINALS BEFORE WE SCATTER OUT. VALLEY FOG LIKELY AT KELM TONIGHT WITH IFR VSBYS AFTER 06Z. SOME MODEL GUIDANCE ALSO SUGGESTS FOG AT MOST OF THE TERMINALS OVERNIGHT. CONTINUED THE PREVIOUS FORECASTERS IDEA OF LIGHT FOG AT KITH AND KBGM BUT BASED ON ENOUGH UNCERTAINTY, LEFT IT OUT OTHERWISE. VFR MONDAY. .OUTLOOK... TUESDAY-WEDNESDAY...VFR. THURSDAY...RESTRICTIONS POSSIBLE BY AFTERNOON...IN SCATTERED SHOWERS/THUNDERSTORMS. FRIDAY...VFR. && .BGM WATCHES/WARNINGS/ADVISORIES... PA...NONE. NY...NONE. && SYNOPSIS...DGM NEAR TERM...DGM SHORT TERM...DGM/TAC LONG TERM...HEDEN AVIATION...HEDEN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BINGHAMTON NY 230 PM EDT SUN JUL 26 2015 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-271830- 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- 230 PM EDT SUN JUL 26 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. 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 BINGHAMTON NY 426 PM EDT SUN JUL 26 2015 NYZ055-056-262100- BROOME NY-TIOGA NY- 426 PM EDT SUN JUL 26 2015 ...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN TIOGA AND WEST CENTRAL BROOME COUNTIES ... * AT 426 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR NEWARK VALLEY...OR 7 MILES NORTHWEST OF ENDICOTT...MOVING NORTHEAST AT 25 MPH. * NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. * THIS STRONG THUNDERSTORM WILL BE NEAR... ENDICOTT AND WEST CORNERS AROUND 430 PM EDT. UNION CENTER AND ENDWELL AROUND 435 PM EDT. JOHNSON CITY AND NANTICOKE AROUND 440 PM EDT. GREATER BINGHAMTON AIRPORT AROUND 445 PM EDT. WHITNEY POINT AND CASTLE CREEK AROUND 455 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4233 7597 4214 7586 4207 7618 4223 7629 TIME...MOT...LOC 2026Z 244DEG 22KT 4219 7615 HEDEN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BINGHAMTON NY 440 PM EDT SUN JUL 26 2015 NYZ055-262130- TIOGA NY- 440 PM EDT SUN JUL 26 2015 ...LOCALLY HEAVY RAINFALL WILL AFFECT SOUTHWESTERN TIOGA COUNTY... * AT 440 PM EDT...DOPPLER RADAR INDICATED LOCALLY HEAVY RAINFALL ACROSS PARTS OF SOUTHWESTERN TIOGA COUNTY. * THERE IS A POTENTIAL FOR HEAVY RAINFALL...AND COULD CAUSE LOCALIZED FLOODING OF ROADS AND POOR DRAINAGE AREAS. * LOCATIONS THAT WILL BE IMPACTED BY THE HEAVY RAINFALL INCLUDE... BARTON...LITCHFIELD...SPENCER...NICHOLS...LOUNSBERRY...TIOGA CENTER AND CATATONK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4221 7631 4201 7633 4202 7654 4221 7653 TIME...MOT...LOC 2040Z 180DEG 0KT 4210 7650 RRM
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
451 PM EDT SUN JUL 26 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0425 PM TSTM WND DMG 2 E LIVINGSTON MANOR 41.90N 74.79W
07/26/2015 SULLIVAN NY 911 CALL CENTER
TREES WITH WIRES DOWN
&&
JMLSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
452 PM EDT SUN JUL 26 2015
NYZ062-262115-
SULLIVAN NY-
452 PM EDT SUN JUL 26 2015
...STRONG THUNDERSTORMS WILL AFFECT CENTRAL SULLIVAN COUNTY ...
* AT 452 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER LIBERTY...MOVING SOUTHEAST AT 15 MPH.
* NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.
* THIS STRONG THUNDERSTORM WILL BE NEAR...
LIBERTY AROUND 455 PM EDT.
HARRIS AROUND 510 PM EDT.
FALLSBURG...NEVERSINK AND SOUTH FALLSBURG AROUND 515 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4184 7448 4175 7457 4170 7450 4161 7454
4176 7490 4193 7480 4186 7447
TIME...MOT...LOC 2052Z 295DEG 13KT 4182 7476
RRMPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
454 PM EDT SUN JUL 26 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM TSTM WND DMG 1 SE NEWARK VALLEY 42.21N 76.17W
07/26/2015 TIOGA NY 911 CALL CENTER
TREE AND WIRES DOWN SHERRY LIPE RD.
&&
JMLPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
455 PM EDT SUN JUL 26 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0450 PM HAIL MAINE 42.20N 76.07W
07/26/2015 M1.00 INCH BROOME NY AMATEUR RADIO
&&
JMLThe Binghamton radar (KBGM), 44 km away, was scanning. The volume nearest the first event began at 21:01 UTC.
1 flash flood. Local standard time, as filed.
Heavy rainfall and flooding caused a culvert washout on Ellis Creek Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2015Every state in 2015This day in weather historyWarnings in New York, July 2015
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: 596815.