1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 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 Sep 4, 7:34 AM EST, 34 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 834 AM EDT TUE SEP 4 2001 WILL ISSUE QUICK UPDATE TO RAISE POPS TO CAT FRM CENTRAL SOUTHERN TIER ACROSS SUSQU REGION TO WRN CATSKILLS. CONVECTION CONTINUES TO WEAKEN ATTM BUT AREAL COVERAGE JUSTIFIES CAT POPS. BEST CHC FOR SVR WEATHER LATER TODAY ACROSS WYOMING VLY/POCONOS. EARLY MORNING AFD.... CDFNT WILL BE ENTERING THE FAR NW PORTIONS OF THE CWA SHORTLY AFTER 12Z...MOVING THROUGH NE PA THIS AFTN. SVR PARAMS ARE VERY MARGINAL AT BEST BUT THERE IS A NICE COUPLED JET AT 300 MB AIDING UPR LVL DVRGNC. STRONG NEG THETA-E ADVECTION IS ADVERTISED OVER WRN ZONES BY ERLY AFTN...BUT SFC/850 THETA-E AXIS BUILDS NEWD INTO NE PA AND THE WRN CATSKILLS BY 18Z AHEAD OF THE FNT. AMT OF HEATING TDA IS ALSO QUESTIONABLE. LOW LVL CONVERGENCE FIELDS NOT OVERLY IMPRSV EITHER. DO NOT XPCT ANY SVR THREAT OVER THE CNTRL SRN TIER/FINGER LAKES AND WRN MOHAWK VLY DUE TO ERLY FROPA. BEST CHCS FOR STRONG STORMS APPEAR TO BE OVER THE SRN PORTION OF THE WRN CATSKILLS AND ACRS THE WYOMING VLY OF PA WHERE INSTABILITY WILL MAX OUT (1000-1500) BY EARLY TO MID AFTN...BUT EVEN HERE IT SEEMS TO BE A VERY MARGINAL SITN. ISOLD WIND RPT OR TWO SEEMS PSBL SO WILL ISSUE AN SPS FOR THE POTNL OF STRONG TSTMS WITH GUSTY WINDS FOR THE SUSQ RGN AND NE PA. OTRW THE REMAINDER OF THE FCST WILL FEATURE ANOTHER LARGE HIGH PRESSURE BUILDING ACRS THE RGN. 850 TEMPS NOT AS COLD AS PREV EVENT WHERE LAKE CLDS WERE RATHER WDSPRD S OF LAKE ONTARIO. MDLS ONLY SHOW A VERY THIN LAYER OF LL MSTR LATER TNGT AND ERLY TMRW JUST BLO THE INVERSION ACRS THE FINGER LAKES AND CNTRL SRN TIER. WILL GO WITH PC THESE AREAS AND MENTION SOME PATCHY MRNG CLDS ON WED...OTRW CLEAR OR MAINLY CLEAR FOR TNGT AND TMRW. GUIDANCE TEMPS APPEAR TO BE IN THE BALLPARK. .BGM...NONE. RRM/BRADY
The Binghamton radar (KBGM), 64 km away, was scanning. The volume nearest the first event began at 13:07 UTC.
1 lightning. Local standard time, as filed.
Newspaper reports indicate that lightning struck a metal building on Route 60 as a plant worker was entering it. The charge was transmitted to the worker who was subsequently injured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2001Every state in 2001This day in weather historyWarnings in New York, September 2001
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: 5262767.