Alert archive / New York / Tornado Warnings in 2026

Tornado Warning 13, NWS Binghamton, NY

July 21, 2026Broome County, Chenango County, Otsego County, New York

NWS Binghamton, NY issued this tornado warning at Jul 21, 2026, 1:40 PM EDT for Broome County, Chenango County, Otsego County, New York. It was in force for 35 min. 6 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
Jul 21, 2026, 1:40 PM EDT (17:40 UTC)
Expired
Jul 21, 2026, 2:15 PM EDT
In force
35 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Broome County, NY, Chenango County, NY, Otsego County, NY

The radar

The Binghamton radar (KBGM), 42 km from the middle of the area, began a volume at 17:42 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
Jul 21, 1:40 PM EDTTSTM WND DMG2 W Greene, NYPower lines and poles down on Foster Hill road.
Jul 21, 1:40 PM EDTTSTM WND DMG4 Wsw Greene, NYResident reported hundreds of trees down throughout his property. Event time estimated by radar.
Jul 21, 1:40 PM EDTTORNADO5 Nnw Chenango Forks, NYTornado began at this location. Rating EF-0. The tornado tracked NE of this location for approximately 6.5 miles with a maximum rating of EF-1 and a max wind speed estimated at 90 mph. The tornado crossed over several rural roads and ridgetops before dropping
Jul 21, 1:42 PM EDTTSTM WND DMGGreene, NYWires down.
Jul 21, 1:44 PM EDTTSTM WND DMG1 Wsw Brisben, NYMultiple trees down along RT 12 between Greene and Oxford.
Jul 21, 1:45 PM EDTTORNADO5 Sse Greene, NYA NWS Storm Survey has confirmed that an EF1 tornado started about 5 miles southeast of Greene around 145 PM EDT. It caused its heaviest damage to a farm just west of the Wylie Horton Road and Bowbell Road intersection. The tornado ended around 152 PM EDT.

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.7 hours before the alert went out and 270 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 2026-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 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 2026-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
300 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

369 
WFUS51 KBGM 211740
TORBGM
NYC007-017-077-211815-
/O.NEW.KBGM.TO.W.0013.260721T1740Z-260721T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
140 PM EDT Tue Jul 21 2026

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southwestern Otsego County in central New York...
  North central Broome County in central New York...
  Southern Chenango County in central New York...

* Until 215 PM EDT.

* At 139 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Greene, or 10 miles northeast of Greater
  Binghamton Airport, moving east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  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.

* This dangerous storm will be near...
  Greene around 145 PM EDT.
  Brisben around 150 PM EDT.
  Coventry and South Oxford around 155 PM EDT.
  Oxford around 200 PM EDT.
  Guilford around 205 PM EDT.

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 4231 7534 4232 7538 4231 7542 4229 7542
      4220 7588 4237 7597 4257 7545 4232 7532
TIME...MOT...LOC 1739Z 248DEG 31KT 4232 7584 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

SJW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 12:32 PM EDTSevere Thunderstorm WarningBGMBroome, Chemung, Cortland, Schuyler, Tioga, Tompkins58 min
Jul 21, 1:10 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Cortland, Tioga, Tompkins65 min
Jul 21, 1:26 PM EDTSevere Thunderstorm WarningBGMBroome49 min
Jul 21, 1:44 PM EDTTornado WarningBGMBroome, Chenango, Delaware31 min
Jul 21, 1:53 PM EDTTornado WarningBGMSullivan37 min
Jul 21, 2:07 PM EDTSevere Thunderstorm Warning Considerable damage threatBGMBroome, Chenango, Delaware, Madison, Otsego49 min
Jul 21, 2:22 PM EDTTornado WarningBGMOtsego23 min
Jul 21, 2:29 PM EDTTornado WarningBGMSullivan46 min
Jul 21, 2:37 PM EDTFlash Flood WarningBGMSullivan4 hr
Jul 21, 3:10 PM EDTSevere Thunderstorm Warning Considerable damage threatBGMSullivan35 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.