Alert archive / New York / Cold Weather Advisories in 2025

Cold Weather Advisory 2, NWS Buffalo, NY

February 17, 202511 counties in New York

NWS Buffalo, NY issued this cold weather advisory at Feb 17, 2025, 2:48 AM EST for 11 counties in New York. It took effect at Feb 17, 2025, 10:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 17, 2025, 2:48 AM EST (07:48 UTC)
In effect from
Feb 17, 2025, 10:00 PM EST
Expired
Feb 18, 2025, 9:09 AM EST
In force
11 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Ontario County, NY, Oswego County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 07:51 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 00:00Z, 7.8 hours before the alert went out and 86 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 00:00Z on 2025-02-17Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2025-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897117136156Sfc1 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
541 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
-35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

951 
WWUS71 KBUF 170748
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
248 AM EST Mon Feb 17 2025

NYZ006>008-010>014-019>021-085-171600-
/O.NEW.KBUF.CW.Y.0002.250218T0300Z-250218T1500Z/
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
248 AM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...
...COLD WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM 
EST TUESDAY...

* WHAT...For the Wind Advisory, west winds 20 to 30 mph with gusts 
  40 to 50 mph. For the Cold Weather Advisory, bitterly cold wind 
  chills as low as 20 below zero expected.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties.

* WHEN...For the Wind Advisory, until 6 PM EST this evening. For the 
  Cold Weather Advisory, from 10 PM this evening to 10 AM EST 
  Tuesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result. 
  Bitterly cold wind chills as low as 25 below zero will cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Secure outdoor objects.

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

NYZ001>005-171600-
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
and Fair Haven
248 AM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts 40 to 50 mph.

* WHERE...Niagara, Orleans, Monroe, Wayne, and Northern Cayuga 
  Counties.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Secure outdoor objects.

&&

$$

AR
7 follow-up statements
173 
WWUS71 KBUF 171419
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
919 AM EST Mon Feb 17 2025

NYZ006>008-010>014-019>021-085-180000-
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
/O.CON.KBUF.CW.Y.0002.250218T0300Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
919 AM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING 
TO 10 AM EST TUESDAY...

* WHAT...For the Wind Advisory, west winds 25 to 35 mph with gusts 
  40 to 50 mph causing areas of blowing snow. For the Cold Weather 
  Advisory, bitterly cold wind chills as low as 20 below zero 
  expected.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties. Highest gusts will be along the Lake Ontario shoreline 
  and across higher elevations.

* WHEN...For the Wind Advisory, until 6 PM EST this evening. For the 
  Cold Weather Advisory, from 10 PM this evening to 10 AM EST 
  Tuesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result. 
  Bitterly cold wind chills as low as 25 below zero will cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Secure outdoor objects.

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

NYZ001>005-172300-
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
and Fair Haven
919 AM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts 40 to 50 mph causing 
  areas of blowing snow.

* WHERE...Niagara, Orleans, Monroe, Wayne, and Northern Cayuga 
  Counties. Highest gusts will be near the Lake Ontario shoreline.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Secure outdoor objects.

&&

$$

Apffel
089 
WWUS71 KBUF 171834
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
134 PM EST Mon Feb 17 2025

NYZ006>008-010>014-019>021-085-180500-
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
/O.CON.KBUF.CW.Y.0002.250218T0300Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
134 PM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING 
TO 10 AM EST TUESDAY...

* WHAT...For the Wind Advisory, west winds 25 to 35 mph with gusts 
  40 to 50 mph causing areas of blowing snow. For the Cold Weather 
  Advisory, bitterly cold wind chills as low as 20 below zero 
  expected.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties. Highest gusts will be along the Lake Ontario shoreline 
  and across higher elevations.

* WHEN...For the Wind Advisory, until 6 PM EST this evening. For the 
  Cold Weather Advisory, from 10 PM this evening to 10 AM EST 
  Tuesday.

* IMPACTS...Gusty winds cause areas of blowing and drifting snow. 
  Tree limbs could be blown down and a few power outages may result. 
  Bitterly cold wind chills as low as 25 below zero will cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Areas of blowing snow will cause poor travel 
conditions, especially near open fields.

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

NYZ001>005-172300-
/O.CON.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
and Fair Haven
134 PM EST Mon Feb 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts 40 to 50 mph causing 
  areas of blowing snow.

* WHERE...Niagara, Orleans, Monroe, Wayne, and Northern Cayuga 
  Counties. Highest gusts will be near the Lake Ontario shoreline.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds will cause areas of blowing and drifting 
  snow. Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high 
profile vehicle. Areas of blowing snow will cause poor travel 
conditions, especially near open fields.

&&

$$

Apffel
032 
WWUS71 KBUF 172249
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
549 PM EST Mon Feb 17 2025

NYZ006>008-010>014-019>021-085-180700-
/O.EXP.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
/O.CON.KBUF.CW.Y.0002.250218T0300Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
549 PM EST Mon Feb 17 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING 
TO 10 AM EST TUESDAY...
...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING...

* WHAT...Bitterly cold wind chills as low as 20 below zero expected.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties.

* WHEN...From 10 PM this evening to 10 AM EST Tuesday.

* IMPACTS...Bitterly cold wind chills as low as 25 below zero will 
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

NYZ001>005-180000-
/O.EXP.KBUF.WI.Y.0003.000000T0000Z-250217T2300Z/
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-
Including the cities of Niagara Falls, Medina, Rochester, Newark,
and Fair Haven
549 PM EST Mon Feb 17 2025

...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING...

The threat of strong winds has ended, therefore the Wind Advisory 
will be allowed to expire.

$$

HSK
566 
WWUS71 KBUF 180153
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
853 PM EST Mon Feb 17 2025

NYZ006>008-010>014-019>021-085-181500-
/O.CON.KBUF.CW.Y.0002.250218T0300Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
853 PM EST Mon Feb 17 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST TUESDAY...

* WHAT...Bitterly cold wind chills as low as 20 below zero expected.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties.

* WHEN...Until 10 AM EST Tuesday.

* IMPACTS...Bitterly cold wind chills as low as 25 below zero will 
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

HSK
577 
WWUS71 KBUF 180600
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
100 AM EST Tue Feb 18 2025

NYZ006>008-010>014-019>021-085-181400-
/O.CON.KBUF.CW.Y.0002.000000T0000Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
100 AM EST Tue Feb 18 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS 
MORNING...

* WHAT...Bitterly cold wind chills as low as 20 below zero.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Bitterly cold wind chills as low as 20 below zero will 
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

TMA
320 
WWUS71 KBUF 180905
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
405 AM EST Tue Feb 18 2025

NYZ006>008-010>014-019>021-085-181500-
/O.CON.KBUF.CW.Y.0002.000000T0000Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
405 AM EST Tue Feb 18 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS 
MORNING...

* WHAT...Bitterly cold wind chills as low as 20 below zero.

* WHERE...Erie, Oswego, Jefferson, Lewis, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  Counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Bitterly cold wind chills as low as 20 below zero will 
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially hazardous situation to be outdoors. If you 
must be outside, be sure to cover all exposed skin. Frostbite can 
occur in 30 minutes or less with apparent temperatures of 15 below 
zero or colder.

&&

$$

TMA
545 
WWUS71 KBUF 181409
NPWBUF

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
909 AM EST Tue Feb 18 2025

NYZ006>008-010>014-019>021-085-181515-
/O.CAN.KBUF.CW.Y.0002.000000T0000Z-250218T1500Z/
Oswego-Jefferson-Lewis-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Oswego, Watertown, Lowville, Buffalo,
Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
909 AM EST Tue Feb 18 2025

...COLD WEATHER ADVISORY IS CANCELLED...

Apparent temperatures have climbed to levels where bitterly cold 
wind chills are no longer expected, therefore the Cold Weather 
Advisory has been cancelled.

$$

Apffel

What forecasters said that day

The local office's own words before this cold weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this cold weather advisory went out at Feb 17, 1:33 AM EST, 1 hour 15 minutes earlier.

Area forecast discussion, Feb 17, 1:33 AM EST, 1 hour 15 minutes before
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Hazardous weather outlook, Feb 16, 8:53 AM EST, 17 hours 55 minutes before
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In the hours before

Local storm report, Feb 16, 9:07 PM EST, 5 hours 41 minutes before
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Local storm report, Feb 16, 10:15 PM EST, 4 hours 33 minutes before
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Local storm report, Feb 16, 10:17 PM EST, 4 hours 31 minutes before
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Local storm report, Feb 16, 10:31 PM EST, 4 hours 17 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 2:34 AM ESTWinter Weather AdvisoryBUFMonroe, Orleans9 hr
Feb 17, 8:15 AM ESTSpecial Weather StatementBUFOswego90 min
Feb 17, 11:04 AM ESTWinter Weather AdvisoryBUFCattaraugus, Chautauqua, Erie, Niagara, Wyoming50 hr
Feb 17, 12:22 PM ESTSpecial Weather StatementBUFOswego113 min
Feb 17, 2:02 PM ESTSpecial Weather StatementBUFOswego118 min

Nearby

Cold Weather Advisories in New York, 2025Every cold weather advisory in 2025

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.