Alert archive / New York / Tornado Warnings in 2026

Tornado Warning 3, NWS Buffalo, NY

May 13, 2026Jefferson County, Oswego County, New York

NWS Buffalo, NY issued this tornado warning at May 13, 2026, 5:07 PM EDT for Jefferson County, Oswego County, New York. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 13, 2026, 5:07 PM EDT (21:07 UTC)
Expired: May 13, 2026, 5:45 PM EDT
In force: 38 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Jefferson County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 21:11 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.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 216 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WFUS51 KBUF 132107
TORBUF
NYC045-075-132145-
/O.NEW.KBUF.TO.W.0003.260513T2107Z-260513T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
507 PM EDT Wed May 13 2026

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  South central Jefferson County in central New York...
  North central Oswego County in central New York...

* Until 545 PM EDT.

* At 507 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Sandy Island Beach State Park, moving northeast at
  30 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...
  Sandy Island Beach State Park, Pulaski, Adams, Selkirk Shores State
  Park, Sandy Creek, Lacona, Mannsville, Ellisburg, Montario Point,
  and Port Ontario.

This includes Interstate 81 between exits 37 and 41.
 
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 4355 7625 4371 7624 4384 7605 4367 7590
      4355 7620
TIME...MOT...LOC 2107Z 232DEG 27KT 4360 7624 

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

$$

SGK

1 follow-up statement

560 
WWUS51 KBUF 132137
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
537 PM EDT Wed May 13 2026

NYC045-075-132146-
/O.EXP.KBUF.TO.W.0003.000000T0000Z-260513T2145Z/
Jefferson NY-Oswego NY-
537 PM EDT Wed May 13 2026

...THE TORNADO WARNING FOR SOUTH CENTRAL JEFFERSON AND NORTH CENTRAL
OSWEGO COUNTIES WILL EXPIRE AT 545 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
Jefferson and Oswego counties until 6 pm.

&&

LAT...LON 4355 7625 4371 7624 4384 7605 4367 7590
      4355 7620
TIME...MOT...LOC 2136Z 232DEG 27KT 4373 7601 

$$

SGK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 1:17 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Chautauqua	58 min
May 13, 2:11 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston, Wyoming	64 min
May 13, 2:43 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	62 min
May 13, 2:52 PM EDT	Special Marine Warning	BUF		38 min
May 13, 3:19 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	56 min
May 13, 3:27 PM EDT	Special Marine Warning	BUF		93 min
May 13, 4:04 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	56 min
May 13, 4:49 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	71 min
May 13, 4:54 PM EDT	Special Marine Warning	BUF		36 min

Nearby

Tornado Warnings in New York, 2026 Every tornado warning in 2026 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.