Alert archive / New York / Tornado Warnings in 2026

Tornado Warning 11, NWS Buffalo, NY

September 2, 20264 counties in New York

NWS Buffalo, NY issued this tornado warning at Sep 2, 2026, 7:28 PM EDT for 4 counties in New York. It was in force for 47 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 2, 2026, 7:28 PM EDT (23:28 UTC)
Expired
Sep 2, 2026, 8:15 PM EDT
In force
47 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 57 km from the middle of the area, began a volume at 23:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 2, 7:29 PM EDTTORNADO3 E Alexander, NYThe National Weather Service in Buffalo investigated storm- related damage from a bowing line of thunderstorms that ended up producing an EF-1 tornado during the evening of September 2nd that affected areas east of Alexander, NY near Route 20. Initial damage f
Sep 2, 7:31 PM EDTTSTM WND DMG1 Ne Stafford, NYPower pole snapped.
Sep 2, 7:31 PM EDTTSTM WND DMG2 Ene Stafford, NYSeveral large trees uprooted.
Sep 2, 7:35 PM EDTTSTM WND DMGLe Roy, NYSeveral large trees, limbs, and power lines down.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 2, 4:41 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.5 hours before the alert went out and 54 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2026-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1578 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2026-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1578 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.2

Open this sounding in Storm Lab

The text

As transmitted.

641 
WFUS51 KBUF 022328
TORBUF
NYC037-051-055-121-030015-
/O.NEW.KBUF.TO.W.0011.260902T2328Z-260903T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
728 PM EDT Wed Sep 2 2026

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Northeastern Wyoming County in western New York...
  Northwestern Livingston County in western New York...
  Southeastern Genesee County in western New York...
  Southwestern Monroe County in western New York...

* Until 815 PM EDT.

* At 728 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Batavia, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Batavia, Geneseo, Letchworth State Park, Le Roy, Avon, Mount
  Morris, Honeoye Falls, Attica, Pavilion, and Caledonia.

This includes the following highways...
 Interstate 390 between exits 7 and 10.
 Interstate 90 near exit 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4284 7834 4304 7826 4298 7758 4266 7771
TIME...MOT...LOC 2328Z 285DEG 37KT 4293 7823 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

SGK
2 follow-up statements
719 
WWUS51 KBUF 022347
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
747 PM EDT Wed Sep 2 2026

NYC037-022357-
/O.CAN.KBUF.TO.W.0011.000000T0000Z-260903T0015Z/
Genesee NY-
747 PM EDT Wed Sep 2 2026

...THE TORNADO WARNING FOR SOUTHEASTERN GENESEE COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM EDT for western New
York.

&&

LAT...LON 4276 7804 4286 7803 4286 7796 4290 7796
      4291 7794 4294 7793 4295 7791 4300 7791
      4301 7789 4298 7758 4266 7771
TIME...MOT...LOC 2347Z 286DEG 40KT 4284 7791 

$$

NYC051-055-121-030015-
/O.CON.KBUF.TO.W.0011.000000T0000Z-260903T0015Z/
Wyoming NY-Livingston NY-Monroe NY-
747 PM EDT Wed Sep 2 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHEASTERN WYOMING...NORTHWESTERN LIVINGSTON AND SOUTHWESTERN
MONROE COUNTIES...

At 747 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Geneseo, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Geneseo, Letchworth State Park, Avon, Mount Morris, Honeoye Falls,
Caledonia, Lima, York, Livonia, and Covington.

This includes Interstate 390 between exits 7 and 10.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4276 7804 4286 7803 4286 7796 4290 7796
      4291 7794 4294 7793 4295 7791 4300 7791
      4301 7789 4298 7758 4266 7771
TIME...MOT...LOC 2347Z 286DEG 40KT 4284 7791 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

SGK
550 
WWUS51 KBUF 030011
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
811 PM EDT Wed Sep 2 2026

NYC051-055-121-030021-
/O.EXP.KBUF.TO.W.0011.000000T0000Z-260903T0015Z/
Wyoming NY-Livingston NY-Monroe NY-
811 PM EDT Wed Sep 2 2026

...THE TORNADO WARNING FOR NORTHEASTERN WYOMING...NORTHWESTERN
LIVINGSTON AND SOUTHWESTERN MONROE COUNTIES WILL EXPIRE AT 815 PM
EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However, heavy
rain is still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM EDT for western New
York.

&&

LAT...LON 4276 7804 4286 7803 4286 7796 4290 7796
      4291 7794 4294 7793 4295 7791 4300 7791
      4301 7789 4298 7758 4266 7771
TIME...MOT...LOC 0011Z 285DEG 37KT 4278 7760 

$$

HSK

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 6:24 AM EDTSpecial Marine WarningBUF66 min
Sep 2, 6:26 AM EDTSpecial Marine WarningBUF94 min
Sep 2, 6:46 AM EDTSpecial Marine WarningBUF68 min
Sep 2, 7:18 AM EDTSevere Thunderstorm Warning Considerable damage threatBUFErie, Genesee, Monroe, Niagara, Orleans, Wyoming57 min
Sep 2, 7:40 AM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming50 min
Sep 2, 7:59 AM EDTSpecial Marine WarningBUF91 min
Sep 2, 8:18 AM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Monroe, Niagara, Ontario and 2 more57 min
Sep 2, 8:40 AM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Monroe, Ontario, Wyoming65 min
Sep 2, 9:16 AM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne59 min
Sep 2, 9:28 AM EDTSpecial Marine WarningBUF62 min
Sep 2, 5:18 PM EDTSpecial Marine WarningBUF117 min
Sep 2, 5:32 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Wyoming58 min
Sep 2, 5:43 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFErie, Genesee, Monroe, Niagara, Orleans77 min
Sep 2, 6:07 PM EDTTornado Warning Tornado observedBUFNiagara, Orleans23 min
Sep 2, 6:15 PM EDTSpecial Marine WarningBUF2 hr
Sep 2, 6:17 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Monroe, Ontario, Wyoming58 min
Sep 2, 6:21 PM EDTSpecial Marine WarningBUF114 min
Sep 2, 6:28 PM EDTTornado WarningBUFGenesee, Niagara, Orleans32 min
Sep 2, 6:47 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more73 min
Sep 2, 6:51 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne54 min
Sep 2, 6:55 PM EDTTornado Warning Tornado observedBUFGenesee, Monroe, Orleans35 min
Sep 2, 7:04 PM EDTSpecial Marine WarningBUF116 min
Sep 2, 7:14 PM EDTSpecial Marine WarningBUF43 min
Sep 2, 7:26 PM EDTFlash Flood WarningBUFErie, Genesee, Niagara, Orleans4 hr
Sep 2, 7:30 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFAllegany, Cattaraugus, Chautauqua, Erie, Wyoming60 min
Sep 2, 7:40 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFCayuga, Genesee, Livingston, Monroe, Ontario, Oswego and 2 more65 min
Sep 2, 7:56 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFAllegany, Cattaraugus, Chautauqua, Livingston, Wyoming79 min
Sep 2, 7:56 PM EDTTornado WarningBUFAllegany, Livingston, Wyoming34 min

Nearby

Tornado Warnings in New York, 2026Every tornado warning in 2026Tornadoes in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.