Numerous thunderstorms were triggered by an upper level disturbance moving through a warm, moist and unstable air mass over New York. Localized areas of flash flooding were reported across the central Leatherstocking region of upstate NY.
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.
Numerous thunderstorms were triggered by an upper level disturbance moving through a warm, moist and unstable air mass over New York. Localized areas of flash flooding were reported across the central Leatherstocking region of upstate NY.
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 5, 6:54 PM EST, 1 hour 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 754 PM EDT FRI JUL 5 2013 .SYNOPSIS... WARM AND HUMID CONDITIONS WILL PERSIST OVER THE REGION THROUGH THE WEEKEND. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY WITH THE MOST WIDESPREAD COVERAGE OCCURRING DURING THE AFTERNOON AND EVENING HOURS. && .NEAR TERM /THROUGH SATURDAY/... AT 3 PM...WIDESPREAD SHOWERS/THUNDERSTORMS WERE OCCURRING FROM THE NRN FINGER LAKES REGION EAST ACROSS THE SYR AREA TO THE WESTERN MOHAWK VALLEY. THIS ACTIVITY IS BEING ENHANCED BY A MID LEVEL SHORT WAVE THAT WILL MOVE EAST OF THE REGION BY LATE AFTERNOON. CAPE VALUES RANGING FROM 1500-2000 J/KG ALONG WITH MODERATE DEEP LAYER SHEAR COULD SUPPORT A FEW SVR THUNDERSTORMS WITH THE PRIMARY THREAT DAMAGING WINDS. FURTHER SOUTH ACTIVITY REMAINS ONLY ISOLATED TO SCATTERED AND IS EXPECTED TO REMAIN SO WITH LESS FORCING. BY EARLY EVENING WITH LOSS OF DIURNAL HEATING CONVECTION WILL DIMINISH WITH DRY CONDITIONS EXPECTED. OVERNIGHT LOWS WILL RANGE FROM THE MID 60S TO LOWER 70S UNDER PARTLY CLOUDY SKIES. && .SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/... SATURDAY...STRONG UPPER LEVEL RIDGE WILL REMAIN OVER THE NORTHEAST WITH SFC HIGH PRES OFF THE MID ATLANTIC COAST BRINGING A CONTINUATION OF WARM AND MUGGY CONDITIONS. MODELS INDICATE ANOTHER SHORT WAVE MAY TRACK OVER THE RIDGE DURING THE AFTERNOON PRIMARILY NORTH OF THE FA. MODEL SOUNDINGS INDICATE CAPE VALUES AROUND 1500 J/KG BUT WITH WEAKER FORCING AND LESS BULK SHEAR, CONVECTION IS EXPECTED TO BE JUST ISOLATED TO SCATTERED WITH THE BEST COVERAGE ACROSS CENTRAL NY. MAX TEMPS WILL RANGE FROM THE MID 80S TO LOWER 90S. SATURDAY NIGHT...ONCE DAYTIME HEATING SUBSIDES CONVECTION WILL QUICKLY WEAKEN AGAIN DURING THE EARLY EVENING HOURS WITH MUCH OF THE OVERNIGHT PERIOD DRY. ANOTHER MUGGY/MILD NIGHT. SUNDAY THROUGH MONDAY...UPPER LEVEL RIDGE WILL FLATTEN DURING THIS PERIOD AS MID WEST TROF MOVES EAST WITH H5 LOW SOMEWHERE BETWEEN THE MID ATLANTIC REGION TO CENTRAL PA BY MONDAY. THE NAM POSITIONS THIS FEATURE FARTHER SOUTH WITH THE GFS/ECMWF NORTH. AS THIS OCCUR THE UPPER LEVEL FLOW ACROSS THE NORTHEAST BECOMES MORE ZONAL. SCATTERED CONVECTION IS EXPECTED EACH AFTERNOON/EVENING WITH ISOLATED ACTIVITY CONTINUING THROUGH THE SUNDAY NIGHT PERIOD AS UPPER LEVEL SUPPORT MAY KEEP ACTIVITY GOING. PWATS WILL REMAIN HIGH THROUGH THE PERIOD SO ANY CONVECTIVE ACTIVITY WILL BE ASSOCIATED WITH HEAVY DOWNPOURS. MAX TEMPS BOTH SUNDAY/MONDAY WILL RANGE IN THE MID 80S TO AROUND 90. && .LONG TERM /MONDAY NIGHT THROUGH FRIDAY/... PTRN WILL BE TRANSITIONING TO A MORE ZONAL REGIME IN THE MED RNG. REMNANTS OF THE UPR LOW CRNTLY OVER THE CNTRL U.S. XPCTD TO BE OVER PA ON MON...MOVG OFF THE CST TUE NGT. ZONAL FLOW FOLLOWING THIS FEATURE WITH MULTIPLE EMBEDDED S/WV'S. POTNL FOR A FEW ROUNDS OF CONVECTION IN THIS PTRN (PSBLY NON-DIURNAL) UNTIL FROPA ON THU...WITH HI PRES XPCTD TO BUILD IN FROM THE GTLAKES LATE IN THE WEEK. MAXES GNRLY L/M80S WITH 65-70 FOR LOWS...A BIT COOLER (MAYBE) FOR FRI. && .AVIATION /00Z SATURDAY THROUGH WEDNESDAY/... 800 PM EDT UPDATE... SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE ACROSS THE FINGER LAKES/LAKE PLAIN AND WESTERN MOHAWK VALLEY THIS EVENING. THESE STORMS ARE MOVING TO THE E/NE. SHOWERS ARE EXPECTED TO AFFECT KRME AND KSYR FOR THE NEXT COUPLE OF HOURS. ISOLATED MVFR WILL BE EMBEDDED WITHIN THESE SHOWERS. AS THE SUN SETS...THIS ACTIVITY SHOULD START TO DIMINISH AND VFR CONDITIONS ARE EXPECTED TO PREVAIL. WINDS WILL REMAIN LIGHT AND SOUTHERLY THROUGH THE OVERNIGHT HOURS AND TRANSITION TO THE WEST SATURDAY MORNING AS THE SURFACE HIGH OFF THE EASTERN COAST MOVES SOUTHWARD. EARLY SATURDAY MORNING BROKEN MVFR CIGS WILL DEVELOP ACROSS MUCH OF THE AREA AND LIFT TO VFR BY LATE MORNING. ANOTHER ROUND OF THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON. CONFIDENCE IS NOT HIGH ON LOCATION OR TIMING THUS LEFT OUT OF TAF FOR THE TIME BEING. .OUTLOOK... SUNDAY THROUGH WEDNESDAY... SCT SHRA/TSRA ARE ANTICIPATED EACH AFTN/EVE...WITH BRIEF RESTRICTIONS PSBL. MVFR RESTRICTIONS ALSO PSBL IN EARLY MRNG STRATUS/FOG. OTRW VFR PREVAILS. && .BGM WATCHES/WARNINGS/ADVISORIES... PA...NONE. NY...NONE. && SYNOPSIS...RRM NEAR TERM...RRM SHORT TERM...RRM LONG TERM... AVIATION...KAH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BINGHAMTON NY 329 PM EDT FRI JUL 5 2013 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-061930- 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- 329 PM EDT FRI JUL 5 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK...SOUTHEASTERN NEW YORK AND NORTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EVENING HOURS THEN DIMINISH. WITH AN UNUSUALLY MOIST AIRMASS IN PLACE...ANY STORMS THAT DO DEVELOP WILL BE CAPABLE OF VERY HEAVY DOWNPOURS AND LOCALIZED MINOR FLOODING. ADDITIONALLY...A STORM OR TWO MAY APPROACH SEVERE LIMITS WITH STRONG WINDS THE PRIMARY THREAT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN SATURDAY AFTERNOON, A FEW OF THESE STORMS COULD BECOME SEVERE WITH THE PRIMARY THREAT DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. RRM
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BINGHAMTON NY 701 PM EDT FRI JUL 5 2013 NYZ016-052330- SENECA NY- 701 PM EDT FRI JUL 5 2013 ...STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SENECA COUNTY... * AT 656 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...AND VERY HEAVY RAIN. THIS STORM WAS LOCATED OVER EXTREME NORTH CENTRAL SENECA COUNTY...AND MOVING NORTHEAST AT 25 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... RURAL NORTHEASTERN SENECA COUNTY AT 710 PM EDT THIS STORM MAY ALSO PRODUCE CLOUD TO GROUND LIGHTNING. IF LIGHTNING IS OBSERVERED OR THUNDER HEARD...MOVE INDOORS IMMEDIATELY! LAT...LON 4302 7684 4302 7675 4289 7692 4301 7696 MJN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
711 PM EDT FRI JUL 05 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM HAIL TYRE 42.98N 76.80W
07/05/2013 M0.88 INCH SENECA NY PUBLIC
TORRENTIAL RAIN OF 0.75 IN 10 MINUTES ALONG WITH LEAVES
AND SMALL LIMBS DOWN DUE TO STRONG WIND.
&&
MJNSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
717 PM EDT FRI JUL 5 2013
NYZ017-018-060015-
CAYUGA NY-ONONDAGA NY-
717 PM EDT FRI JUL 5 2013
...STRONG THUNDERSTORM WILL AFFECT CENTRAL CAYUGA AND CENTRAL
ONONDAGA COUNTIES...
* AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
WINDS...AND VERY HEAVY RAIN. THIS STORM WAS LOCATED NEAR
THROOPSVILLE...AND MOVING EAST AT 30 MPH.
* THE STRONG THUNDERSTORM WILL BE NEAR...
MARYSVILLE AND SKANEATELES AT 730 PM EDT...
MARCELLUS AND BENNETTS CORNERS AT 740 PM EDT...
MARIETTA AND CAMILLUS AT 745 PM EDT...
CEDARVALE AND FAIRMOUNT AT 750 PM EDT...
ONONDAGA AND TAUNTON AT 755 PM EDT...
NEDROW AND SYRACUSE AT 800 PM EDT...
CLARK RESERVATION STATE PARK AND LA FAYETTE AT 805 PM EDT...
JAMESVILLE AND LYNDON AT 810 PM EDT...
THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.
LAT...LON 4309 7596 4309 7592 4284 7590 4288 7670
4303 7670 4303 7650 4307 7650 4309 7597
/TACPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
754 PM EDT FRI JUL 05 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM TSTM WND DMG TYRE 42.98N 76.80W
07/05/2013 SENECA NY PUBLIC
SEVERAL UPROOTED TREES...INCLUDING ONE FAIRLY LARGE
WALNUT....CORN FLATTENED...6 INCH DIAMETER TREE SNAPPED.
&&
MJNSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
834 PM EDT FRI JUL 5 2013
NYZ017-018-036-044-045-060130-
CAYUGA NY-CHENANGO NY-CORTLAND NY-MADISON NY-ONONDAGA NY-
834 PM EDT FRI JUL 5 2013
...STRONG THUNDERSTORM WILL AFFECT NORTHERN CORTLAND...NORTHWESTERN
CHENANGO...SOUTHEASTERN CAYUGA...SOUTHEASTERN ONONDAGA AND
SOUTHWESTERN MADISON COUNTIES...
* AT 828 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
WINDS...AND VERY HEAVY RAIN. THIS STORM WAS LOCATED NEAR LOCKE...
AND MOVING EAST AT 30 MPH.
* THE STRONG THUNDERSTORM WILL BE NEAR...
DRESSERVILLE AND KELLOGGSVILLE AT 840 PM EDT...
COMO AND SEMPRONIUS AT 845 PM EDT...
SCOTT AND GLEN HAVEN AT 850 PM EDT...
PREBLE AND BALTIMORE AT 900 PM EDT...
TULLY AT 905 PM EDT...
TRUXTON AND APULIA AT 910 PM EDT...
TRIPOLI AND FABIUS AT 915 PM EDT...
KEENEY AND CUYLER AT 920 PM EDT...
THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.
LAT...LON 4296 7564 4269 7556 4261 7626 4262 7627
4262 7646 4263 7646 4263 7651 4275 7655
/TACPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
853 PM EDT FRI JUL 05 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0853 PM HEAVY RAIN MORAVIA 42.71N 76.42W
07/05/2013 M1.12 INCH CAYUGA NY TRAINED SPOTTER
FELL IN ONE HALF HOUR
&&
BLLThe national radar mosaic for the moment the first event began.
5 flash flood. Local standard time, as filed.
Numerous roads were washed out around the area.
Numerous roads were washed out throughout the area.
Numerous roads were washed out in the area.
Water was flowing through the Key Bank in the downtown area.
Numerous roads were washed out in the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2013Every state in 2013This day in weather historyWarnings in New York, July 2013
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: 468699, 468700, 468701, 468706, 468707.