Alert archive / New York / Snow Squall Warnings in 2026

Snow Squall Warning 2, NWS Buffalo, NY

January 11, 20266 counties in New York

NWS Buffalo, NY issued this snow squall warning at Jan 11, 2026, 10:13 AM EST for 6 counties in New York. It was in force for 62 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
Jan 11, 2026, 10:13 AM EST (15:13 UTC)
Expired
Jan 11, 2026, 11:15 AM EST
In force
62 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Allegany County, NY, Cattaraugus County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 77 km from the middle of the area, began a volume at 15:12 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.2 hours before the alert went out and 74 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 2026-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2026-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
878 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

569 
WWUS51 KBUF 111513
SQWBUF

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Buffalo NY
1013 AM EST Sun Jan 11 2026

NYC003-009-051-055-069-121-111615-
/O.NEW.KBUF.SQ.W.0002.260111T1513Z-260111T1615Z/
Wyoming NY-Cattaraugus NY-Livingston NY-Allegany NY-Monroe NY-
Ontario NY-
1013 AM EST Sun Jan 11 2026

The National Weather Service in Buffalo has issued a

* Snow Squall Warning for...
  Eastern Wyoming County in western New York...
  Northeastern Cattaraugus County in western New York...
  Livingston County in western New York...
  Northern Allegany County in western New York...
  Southern Monroe County in western New York...
  Western Ontario County in western New York...

* Until 1115 AM EST.

* At 1013 AM EST, a dangerous snow squall was located along a line
  extending from near Caledonia to 6 miles south of Arcade, moving
  east at 30 mph.

  HAZARD...Intense bursts of heavy snow. Gusty winds leading to 
           blowing snow and rapidly falling visibility. Wind gusts 
           up to 35 mph.

  SOURCE...Radar indicated.

  IMPACT...Travel will become difficult and potentially dangerous 
           within minutes.

This includes the following highways...
 Interstate 390 between exits 4 and 11.
 Interstate 90 between exits 44 and 46.
 Interstate 86 near exit 33.

Locations impacted include...
Geneseo, Dansville, Letchworth State Park, Perry, Warsaw, Avon, Mount
Morris, Victor, Honeoye Falls, and Conesus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.

&&

LAT...LON 4234 7829 4238 7849 4286 7804 4286 7796
      4290 7796 4295 7791 4305 7791 4305 7752
      4303 7726 4258 7752 4258 7766 4253 7766
      4253 7772 4232 7774
TIME...MOT...LOC 1513Z 276DEG 26KT 4304 7788 4245 7841 

SNOW SQUALL...RADAR INDICATED

$$

PP
2 follow-up statements
084 
WWUS51 KBUF 111548
SQWBUF

Snow Squall Warning
National Weather Service Buffalo NY
1048 AM EST Sun Jan 11 2026

NYC009-111558-
/O.CAN.KBUF.SQ.W.0002.000000T0000Z-260111T1615Z/
Cattaraugus NY-
1048 AM EST Sun Jan 11 2026

...THE SNOW SQUALL WARNING FOR NORTHEASTERN CATTARAUGUS COUNTY IS
CANCELLED...

The snow squall that prompted the warning has moved out of the 
warned area. Therefore, the snow squall warning has been cancelled.

&&

LAT...LON 4234 7824 4237 7824 4254 7812 4259 7795
      4264 7786 4276 7772 4286 7772 4301 7761
      4305 7752 4304 7745 4303 7726 4258 7752
      4258 7766 4253 7766 4253 7772 4232 7774
TIME...MOT...LOC 1548Z 276DEG 29KT 4303 7742 4235 7811 

$$

NYC003-051-055-069-121-111615-
/O.CON.KBUF.SQ.W.0002.000000T0000Z-260111T1615Z/
Wyoming NY-Livingston NY-Allegany NY-Monroe NY-Ontario NY-
1048 AM EST Sun Jan 11 2026

...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1115 AM EST FOR
SOUTHEASTERN WYOMING...SOUTHEASTERN LIVINGSTON...NORTHERN ALLEGANY...
SOUTHEASTERN MONROE AND WESTERN ONTARIO COUNTIES...

At 1048 AM EST, a dangerous snow squall was located along a line
extending from near Victor to Belfast, moving east at 35 mph.

HAZARD...Intense bursts of heavy snow. Gusty winds leading to 
         blowing snow and rapidly falling visibility. Wind gusts up 
         to 35 mph.

SOURCE...Radar indicated.

IMPACT...Travel will become difficult and potentially dangerous 
         within minutes.

This includes the following highways...
 Interstate 390 between exits 4 and 6, and near exit 9.
 Interstate 90 between exits 44 and 45.
 Interstate 86 near exit 33.

Locations impacted include...
Dansville, Victor, Honeoye Falls, Conesus, Bristol, Lima, Belfast,
Bloomfield, Houghton, and Hemlock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.

&&

LAT...LON 4234 7824 4237 7824 4254 7812 4259 7795
      4264 7786 4276 7772 4286 7772 4301 7761
      4305 7752 4304 7745 4303 7726 4258 7752
      4258 7766 4253 7766 4253 7772 4232 7774
TIME...MOT...LOC 1548Z 276DEG 29KT 4303 7742 4235 7811 

SNOW SQUALL...RADAR INDICATED

$$

PP
677 
WWUS51 KBUF 111606
SQWBUF

Snow Squall Warning
National Weather Service Buffalo NY
1106 AM EST Sun Jan 11 2026

NYC003-051-055-069-121-111616-
/O.EXP.KBUF.SQ.W.0002.000000T0000Z-260111T1615Z/
Wyoming NY-Livingston NY-Allegany NY-Monroe NY-Ontario NY-
1106 AM EST Sun Jan 11 2026

...THE SNOW SQUALL WARNING FOR SOUTHEASTERN WYOMING...SOUTHEASTERN
LIVINGSTON...NORTHERN ALLEGANY...SOUTHEASTERN MONROE AND WESTERN
ONTARIO COUNTIES WILL EXPIRE AT 1115 AM EST...

The snow squall that prompted the warning has weakened and is 
exiting the area. Therefore, the snow squall warning will be allowed 
to expire.

&&

LAT...LON 4234 7824 4237 7824 4254 7812 4259 7795
      4264 7786 4276 7772 4286 7772 4301 7761
      4305 7752 4304 7745 4303 7726 4258 7752
      4258 7766 4253 7766 4253 7772 4232 7774
TIME...MOT...LOC 1606Z 276DEG 26KT 4300 7710 4232 7779 

$$

PP

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 8:57 AM ESTSnow Squall WarningBUFGenesee, Monroe, Orleans, Wayne63 min
Jan 11, 10:43 AM ESTSnow Squall WarningBUFAllegany, Cattaraugus47 min

Nearby

Snow Squall Warnings in New York, 2026Every snow squall warning 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.