Alert archive / New York / Wind Chill Advisories in 2017

Wind Chill Advisory 5, NWS Buffalo, NY

December 30, 201716 counties in New York

NWS Buffalo, NY issued this wind chill advisory at Dec 30, 2017, 3:38 AM EST for 16 counties in New York. It took effect at Dec 31, 2017, 1:00 AM EST. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2017, 3:38 AM EST (08:38 UTC)
In effect from
Dec 31, 2017, 1:00 AM EST
Expired
Jan 1, 2018, 9:24 AM EST
In force
32 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 08:39 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, 8.6 hours before the alert went out and 87 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 2017-12-30Temperature 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 00:00Z on 2017-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 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
880 m above ground
0-6 km bulk shear
104 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

650 
WWUS41 KBUF 300838
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
338 AM EST Sat Dec 30 2017

NYZ012-301645-
/O.CAN.KBUF.WW.Y.0036.000000T0000Z-171231T0900Z/
/O.NEW.KBUF.WW.Y.0037.171230T1500Z-171231T0900Z/
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Wyoming-
Including the city of Warsaw
338 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
4 AM EST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on slippery road conditions. Total snow
  accumulations of 3 to 5 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Wyoming county. Lake effect snow will mainly be across
  far southwestern portions of the county.

* WHEN...For the Winter Weather Advisory, 10 AM today to 4 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ003-004-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.CON.KBUF.LE.W.0013.171230T1900Z-171231T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
338 AM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 10 AM EST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Heavy lake effect snow expected. Very cold wind chills
  expected. Plan on difficult travel conditions. Total snow
  accumulations of 5 to 10 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Monroe and Wayne counties.

* WHEN...For the Lake Effect Snow Warning, 2 PM today to 10 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4340 7673 4333 7738 4329 7744 4331 7765 
        4339 7802 4321 7802 4318 7767 4311 7741 4307 7691 
        4307 7670 
TIME Y17M12D30T1900Z-Y17M12D31T0300Z
COORD...4335 7670 4331 7695 4333 7738 4327 7745 
        4339 7798 4333 7788 4319 7779 4303 7748 4300 7695 
        4302 7670 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ019-020-085-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
338 AM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Heavy lake effect snow occurring. Very cold wind chills 
  expected. Plan on difficult travel conditions. Additional snow 
  accumulations of 6 to 12 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Chautauqua, Northwestern Cattaraugus, and Southern Erie
  counties.

* WHEN...For the Lake Effect Snow Warning, until 4 AM Sunday. 
  For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7876 4265 7875 4269 7880 4270 7909 
        4232 7975 4219 7977 4220 7962 4224 7940 4236 7918 
        4246 7884 
TIME Y17M12D30T0300Z-Y17M12D30T1800Z
COORD...4234 7853 4252 7850 4265 7856 4262 7922 
        4232 7975 4199 7977 4199 7947 4202 7914 4207 7911 
        4220 7870 
TIME Y17M12D30T1800Z-Y17M12D31T0900Z

$$

NYZ001-002-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.EXT.KBUF.WW.Y.0036.171230T1900Z-171231T1200Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
338 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON
TO 7 AM EST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills 
  expected. Plan on slippery road conditions. Total snow 
  accumulations of 3 to 5 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, 2 PM today to 7 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ007-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.CON.KBUF.WW.Y.0036.171230T1500Z-171231T1200Z/
Jefferson-
Including the city of Watertown
338 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 7 AM EST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on slippery road conditions. Total snow
  accumulations of 3 to 5 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 15 below
  zero to 25 below zero.

* WHERE...Jefferson county.

* WHEN...For the Winter Weather Advisory, 10 AM today to 7 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ005-006-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.CON.KBUF.WW.Y.0036.171230T1900Z-171231T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
338 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 10 AM EST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills 
  expected. Plan on difficult travel conditions. Total snow 
  accumulations of 4 to 8 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Winter Weather Advisory, 2 PM today to 10 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ008-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Lewis-
Including the city of Lowville
338 AM EST Sat Dec 30 2017

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 15 below zero to 25 below 
  zero.

* WHERE...Lewis county.

* WHEN...1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-014-021-301645-
/O.NEW.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Northern Erie-Genesee-Livingston-Ontario-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, Canandaigua, 
and Wellsville
338 AM EST Sat Dec 30 2017

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST SUNDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 10 below zero to 20 
  below zero.

* WHERE...Northern Erie, Genesee, Livingston, Ontario, and 
  Allegany counties.

* WHEN...1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Apffel
11 follow-up statements
287 
WWUS41 KBUF 301645
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1145 AM EST Sat Dec 30 2017

NYZ003-004-310045-
/O.CON.KBUF.LE.W.0013.171230T1900Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
1145 AM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Heavy lake effect snow expected. Very cold wind chills
  expected. Plan on difficult travel conditions. Total snow
  accumulations of 5 to 10 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Monroe and Wayne counties, greatest accumulations
  expected north and east of Rochester.

* WHEN...For the Lake Effect Snow Warning, 2 PM today to 10 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4340 7673 4333 7738 4329 7744 4331 7765 
        4339 7802 4321 7802 4318 7767 4311 7741 4307 7691 
        4307 7670 
TIME Y17M12D30T1900Z-Y17M12D31T0300Z
COORD...4335 7670 4331 7695 4333 7738 4327 7745 
        4339 7798 4333 7788 4319 7779 4303 7748 4300 7695 
        4302 7670 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ019-020-085-310045-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
1145 AM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Heavy lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of 4 to 7 inches are expected in the most
  persistent lake snows, resulting in storm total accumulations of
  12 to 20 inches in the most persistent lake snows. Expect wind
  chills to range from 10 below zero to 20 below zero.

* WHERE...Chautauqua, Cattaraugus, and Southern Erie counties.

* WHEN...For the Lake Effect Snow Warning, until 4 AM Sunday. 
  For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7876 4265 7875 4269 7880 4270 7909 
        4232 7975 4219 7977 4220 7962 4224 7940 4236 7918 
        4246 7884 
TIME Y17M12D30T0300Z-Y17M12D30T1800Z
COORD...4234 7853 4252 7850 4265 7856 4262 7922 
        4232 7975 4199 7977 4199 7947 4202 7914 4207 7911 
        4220 7870 
TIME Y17M12D30T1800Z-Y17M12D31T0900Z

$$

NYZ012-310045-
/O.CON.KBUF.WW.Y.0037.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Wyoming-
Including the city of Warsaw
1145 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills 
  expected. Plan on slippery road conditions. Additional snow 
  accumulations of 3 to 5 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 15 
  below zero to 20 below zero.

* WHERE...Wyoming county.

* WHEN...For the Winter Weather Advisory, until 4 AM Sunday. For 
  the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ001-002-310045-
/O.CON.KBUF.WW.Y.0036.171230T1900Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
1145 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on slippery road conditions. Total snow
  accumulations of 3 to 6 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, 2 PM today to 7 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ007-310045-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Jefferson-
Including the city of Watertown
1145 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on slippery road conditions. Additional snow
  accumulations of 2 to 4 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 15 below
  zero to 29 below zero.

* WHERE...Jefferson county.

* WHEN...For the Winter Weather Advisory, until 7 AM Sunday. For 
  the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ005-006-310045-
/O.CON.KBUF.WW.Y.0036.171230T1900Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
1145 AM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on difficult travel conditions. Total snow
  accumulations of 4 to 8 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Winter Weather Advisory, 2 PM today to 10 AM 
  Sunday. For the Wind Chill Advisory, 1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ008-310045-
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Lewis-
Including the city of Lowville
1145 AM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 20 below zero to 29 
  below zero.

* WHERE...Lewis county.

* WHEN...1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-014-021-310045-
/O.CON.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
Northern Erie-Genesee-Livingston-Ontario-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, Canandaigua, 
and Wellsville
1145 AM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EST
SUNDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 10 below zero to 20 
  below zero.

* WHERE...Northern Erie, Genesee, Livingston, Ontario, and 
  Allegany counties.

* WHEN...1 AM to 6 PM Sunday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Church
469 
WWUS41 KBUF 301923
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
223 PM EST Sat Dec 30 2017

NYZ007-310330-
/O.UPG.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.NEW.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
Jefferson-
Including the city of Watertown
223 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL WARNING IN EFFECT FROM 1 AM SUNDAY TO 10 AM EST
MONDAY...

* WHAT... Lake effect snow occurring. Dangerously cold wind chills
  expected. Plan on slippery road conditions. Additional snow
  accumulations of up to 2 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 25 below
  zero to 35 below zero tonight, and 25 below zero to 40 below 
  zero Sunday night.

* WHERE...Jefferson county.

* WHEN...For the Wind Chill Warning, 1 AM Sunday to 10 AM 
  Monday. For the Winter Weather Advisory, until 7 AM Sunday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin. Be 
  prepared for reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ008-310330-
/O.UPG.KBUF.WC.Y.0005.171231T0600Z-171231T2300Z/
/O.NEW.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
Lewis-
Including the city of Lowville
223 PM EST Sat Dec 30 2017

...WIND CHILL WARNING IN EFFECT FROM 1 AM SUNDAY TO 10 AM EST
MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 25 below zero
  to 35 below zero tonight, and from 30 below zero to 40 below 
  zero Sunday night.

* WHERE...Lewis county.

* WHEN...1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ003-004-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
223 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Heavy lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of 6 to 12 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Monroe and Wayne counties, greatest snow accumulations
  expected north and east of Rochester.

* WHEN...For the Lake Effect Snow Warning, until 10 AM Sunday. 
  For the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4340 7673 4333 7738 4329 7744 4331 7765 
        4339 7802 4321 7802 4318 7767 4311 7741 4307 7691 
        4307 7670 
TIME Y17M12D30T1900Z-Y17M12D31T0300Z
COORD...4335 7670 4331 7695 4333 7738 4327 7745 
        4339 7798 4333 7788 4319 7779 4303 7748 4300 7695 
        4302 7670 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ019-020-085-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
223 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Heavy lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of 3 to 5 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Chautauqua, Cattaraugus, and Southern Erie counties.

* WHEN...For the Lake Effect Snow Warning, until 4 AM Sunday. 
  For the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7876 4265 7875 4269 7880 4270 7909 
        4232 7975 4219 7977 4220 7962 4224 7940 4236 7918 
        4246 7884 
TIME Y17M12D30T0300Z-Y17M12D30T1800Z
COORD...4234 7853 4252 7850 4265 7856 4262 7922 
        4232 7975 4199 7977 4199 7947 4202 7914 4207 7911 
        4220 7870 
TIME Y17M12D30T1800Z-Y17M12D31T0900Z

$$

NYZ014-310330-
/O.EXA.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Ontario-
Including the city of Canandaigua
223 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on slippery road conditions. Additional snow
  accumulations of 3 to 6 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Ontario county.

* WHEN...For the Winter Weather Advisory, until 10 AM Sunday. 
  For the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ012-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0037.000000T0000Z-171231T0900Z/
Wyoming-
Including the city of Warsaw
223 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills 
  expected. Plan on slippery road conditions. Additional snow 
  accumulations of 2 to 4 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 25 below zero.

* WHERE...Wyoming county.

* WHEN...For the Winter Weather Advisory, until 4 AM Sunday. For 
  the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ001-002-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
223 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on slippery road conditions. Additional snow
  accumulations of 3 to 6 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below 
  zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, until 7 AM Sunday. For 
  the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ005-006-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
223 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of 4 to 8 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Winter Weather Advisory, until 10 AM Sunday. 
  For the Wind Chill Advisory, 1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-021-310330-
/O.EXT.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Erie-Genesee-Livingston-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, and Wellsville
223 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Very cold wind chills expected. Expect wind chills to
  range from 10 below zero to 25 below zero.

* WHERE...Northern Erie, Genesee, Livingston, and Allegany 
  counties.

* WHEN...1 AM Sunday to 10 AM Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Church
064 
WWUS41 KBUF 302143
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
443 PM EST Sat Dec 30 2017

NYZ005-006-310545-
/O.UPG.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.EXA.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
443 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 10 AM EST SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected. 
  Plan on difficult travel conditions. Additional snow 
  accumulations of 4 to 8 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 below
  to 25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ003-004-310545-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
443 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected. 
  Plan on difficult travel conditions. Additional snow 
  accumulations of 5 to 9 inches are expected in the most 
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Monroe and Wayne counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ019-020-085-310545-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
443 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 2 to 4 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Chautauqua, Cattaraugus, and Southern Erie counties.

* WHEN...For the Lake Effect Snow Warning, until 4 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4234 7853 4252 7850 4265 7856 4262 7922 
        4232 7975 4199 7977 4199 7947 4202 7914 4207 7911 
        4220 7870 
TIME Y17M12D30T1800Z-Y17M12D31T0900Z

$$

NYZ007-310545-
/O.CON.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
Jefferson-
Including the city of Watertown
443 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Dangerously cold wind chills expected. Lake effect snow
  occurring. Plan on slippery road conditions. Additional snow
  accumulations of an inch or less are expected in the most
  persistent lake snows. Expect wind chills to range from 25 below
  zero to 35 below zero tonight, and 25 below zero to 40 below
  zero Sunday night.

* WHERE...Jefferson county.

* WHEN...For the Wind Chill Warning, from 1 AM Sunday to 10 AM 
  EST Monday. For the Winter Weather Advisory, until 7 AM EST 
  Sunday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin. Be 
  prepared for reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ008-310545-
/O.CON.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
Lewis-
Including the city of Lowville
443 PM EST Sat Dec 30 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Dangerously cold wind chills expected. Expect wind chills
  to range from 25 below zero to 35 below zero tonight, and from
  30 below zero to 40 below zero Sunday night.

* WHERE...Lewis county.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will cause
  frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ012-310545-
/O.CON.KBUF.WW.Y.0037.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Wyoming-
Including the city of Warsaw
443 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan 
  on slippery road conditions. Additional snow accumulations of 1 
  to 3 inches are expected in the most persistent lake snows. 
  Expect wind chills to range from 10 below zero to 25 below zero.

* WHERE...Wyoming county.

* WHEN...For the Winter Weather Advisory, until 4 AM EST Sunday. 
  For the Wind Chill Advisory, from 1 AM Sunday to 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ001-002-310545-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
443 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on slippery road conditions. Additional snow
  accumulations of 3 to 5 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, until 7 AM EST Sunday. 
  For the Wind Chill Advisory, from 1 AM Sunday to 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ014-310545-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Ontario-
Including the city of Canandaigua
443 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 3 to
  5 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below zero to 20 below zero.

* WHERE...Ontario county.

* WHEN...For the Winter Weather Advisory, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-021-310545-
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Erie-Genesee-Livingston-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, and Wellsville
443 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. Expect wind chills to
  range from 10 below zero to 25 below zero.

* WHERE...Northern Erie, Genesee, Livingston, and Allegany 
  counties.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

CHURCH/JJR
612 
WWUS41 KBUF 302352
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
652 PM EST Sat Dec 30 2017

NYZ007-310800-
/O.CAN.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
Jefferson-
Including the city of Watertown
652 PM EST Sat Dec 30 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Dangerously cold wind chills expected. Expect wind chills
  to range from 25 below zero to 35 below zero tonight, and 25
  below zero to 40 below zero Sunday night.

* WHERE...Jefferson county.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ005-006-310800-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
652 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 3 to 5 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below 
  zero to 25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ003-004-310800-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
652 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 3 to 6 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Monroe and Wayne counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ019-020-085-310800-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
652 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 1 to 3 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 
  below zero to 20 below zero.

* WHERE...Chautauqua, Cattaraugus, and Southern Erie counties.

* WHEN...For the Lake Effect Snow Warning, until 4 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4234 7853 4252 7850 4265 7856 4262 7922 
        4232 7975 4199 7977 4199 7947 4202 7914 4207 7911 
        4220 7870 
TIME Y17M12D30T1800Z-Y17M12D31T0900Z

$$

NYZ008-310800-
/O.CON.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
Lewis-
Including the city of Lowville
652 PM EST Sat Dec 30 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Dangerously cold wind chills expected. Expect wind chills
  to range from 25 below zero to 35 below zero tonight, and from
  30 below zero to 40 below zero Sunday night.

* WHERE...Lewis county.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ012-310800-
/O.CON.KBUF.WW.Y.0037.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Wyoming-
Including the city of Warsaw
652 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 1 to
  2 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below zero to 25 below zero.

* WHERE...Wyoming county.

* WHEN...For the Winter Weather Advisory, until 4 AM EST Sunday. 
  For the Wind Chill Advisory, from 1 AM Sunday to 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ001-002-310800-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
652 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 1 to
  3 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, until 7 AM EST Sunday. 
  For the Wind Chill Advisory, from 1 AM Sunday to 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ014-310800-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Ontario-
Including the city of Canandaigua
652 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 2 to
  4 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below zero to 20 below zero.

* WHERE...Ontario county.

* WHEN...For the Winter Weather Advisory, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-021-310800-
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Erie-Genesee-Livingston-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, and Wellsville
652 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. Expect wind chills to
  range from 10 below zero to 25 below zero.

* WHERE...Northern Erie, Genesee, Livingston, and Allegany 
  counties.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

JJR
279 
WWUS41 KBUF 310226
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
926 PM EST Sat Dec 30 2017

NYZ019-020-085-311030-
/O.CAN.KBUF.LE.W.0013.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Jamestown, Olean, Orchard Park, 
and Springville
926 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...
...LAKE EFFECT SNOW WARNING IS CANCELLED...

* WHAT...Very cold wind chills expected. Expect wind chills to
  range from 10 below zero to 20 below zero.

* WHERE...Chautauqua, Cattaraugus, and Southern Erie counties.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ012-311030-
/O.CAN.KBUF.WW.Y.0037.000000T0000Z-171231T0900Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Wyoming-
Including the city of Warsaw
926 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Very cold wind chills expected. Expect wind chills to 
  range from 10 below zero to 25 below zero.

* WHERE...Wyoming county.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ005-006-311030-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
926 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 1 to 3 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below to
  25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ003-004-311030-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
926 PM EST Sat Dec 30 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Heavy lake effect snow. Very cold wind chills expected.
  Plan on difficult travel conditions. Additional snow
  accumulations of 2 to 4 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Monroe and Wayne counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4332 7642 4329 7741 4339 7805 4327 7809 
        4317 7776 4310 7706 4313 7648 
TIME Y17M12D30T2100Z-Y17M12D31T0300Z
COORD...4344 7630 4329 7693 4330 7780 4313 7783 
        4299 7750 4311 7667 
TIME Y17M12D31T0300Z-Y17M12D31T1500Z

$$

NYZ007-008-311030-
/O.CON.KBUF.WC.W.0002.171231T0600Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
926 PM EST Sat Dec 30 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 10 AM
EST MONDAY...

* WHAT...Dangerously cold wind chills expected. 

* WHERE...Jefferson and Lewis counties. Expect wind chills
  to range from 25 below zero to 35 below zero tonight, and 25
  below zero to 40 below zero Sunday night.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ001-002-311030-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
926 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 1 to
  2 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...For the Winter Weather Advisory, until 7 AM EST Sunday. 
  For the Wind Chill Advisory, from 1 AM Sunday to 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ014-311030-
/O.CON.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Ontario-
Including the city of Canandaigua
926 PM EST Sat Dec 30 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Lake effect snow. Very cold wind chills expected. Plan on
  slippery road conditions. Additional snow accumulations of 1 to
  3 inches are expected in the most persistent lake snows. Expect
  wind chills to range from 10 below to 20 below zero.

* WHERE...Ontario county.

* WHEN...For the Winter Weather Advisory, until 10 AM EST 
  Sunday. For the Wind Chill Advisory, from 1 AM Sunday to 10 AM 
  EST Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ010-011-013-021-311030-
/O.CON.KBUF.WC.Y.0005.171231T0600Z-180101T1500Z/
Northern Erie-Genesee-Livingston-Allegany-
Including the cities of Buffalo, Batavia, Geneseo, and Wellsville
926 PM EST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. Expect wind chills to
  range from 10 below zero to 25 below zero.

* WHERE...Northern Erie, Genesee, Livingston, and Allegany 
  counties.

* WHEN...From 1 AM Sunday to 10 AM EST Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

JJR
150 
WWUS41 KBUF 310839
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
339 AM EST Sun Dec 31 2017

NYZ001-002-311645-
/O.CAN.KBUF.WW.Y.0036.000000T0000Z-171231T1200Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
339 AM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 10 below zero to 20 below zero.

* WHERE...Niagara and Orleans counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ014-311645-
/O.CAN.KBUF.WW.Y.0036.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Ontario-
Including the city of Canandaigua
339 AM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 10 below zero to 20 below 
  zero.

* WHERE...Ontario county.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ005-006-311645-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
339 AM EST Sun Dec 31 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
THIS MORNING...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of up to 2 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 to 
  25 below zero.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM today. 
  For the Wind Chill Advisory, now to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4331 7633 4344 7630 4333 7669 4347 7642 
        4346 7651 4329 7693 4330 7726 4327 7726 4331 7765 
        4327 7745 4330 7780 4323 7790 4313 7783 4307 7759 
        4299 7750 4305 7722 4301 7704 4305 7701 4311 7667 
TIME Y17M12D31T0800Z-Y17M12D31T1500Z

$$

NYZ003-004-311645-
/O.CON.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Monroe-Wayne-
Including the cities of Rochester and Newark
339 AM EST Sun Dec 31 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
THIS MORNING...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Lake effect snow occurring. Very cold wind chills
  expected. Plan on difficult travel conditions. Additional snow
  accumulations of 1 to 2 inches are expected in the most
  persistent lake snows. Expect wind chills to range from 10 below
  zero to 20 below zero.

* WHERE...Monroe and Wayne counties.

* WHEN...For the Lake Effect Snow Warning, until 10 AM today. 
  For the Wind Chill Advisory, now to 10 AM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4331 7633 4344 7630 4333 7669 4347 7642 
        4346 7651 4329 7693 4330 7726 4327 7726 4331 7765 
        4327 7745 4330 7780 4323 7790 4313 7783 4307 7759 
        4299 7750 4305 7722 4301 7704 4305 7701 4311 7667 
TIME Y17M12D31T0800Z-Y17M12D31T1500Z

$$

NYZ007-008-311645-
/O.CON.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
339 AM EST Sun Dec 31 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 15 
  minutes to exposed skin. Expect wind chills to range from 15 
  below zero to 35 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will cause
  frostbite in as little as 15 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ010>013-019>021-085-311645-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Northern Erie-Genesee-Wyoming-Livingston-Chautauqua-Cattaraugus-
Allegany-Southern Erie-
Including the cities of Buffalo, Batavia, Warsaw, Geneseo, 
Jamestown, Olean, Wellsville, Orchard Park, and Springville
339 AM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 below zero to 20 
  below zero.

* WHERE...Erie, Genesee, Wyoming, Livingston, Chautauqua, 
  Cattaraugus, and Allegany counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Thomas
103 
WWUS41 KBUF 311408
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
908 AM EST Sun Dec 31 2017

NYZ003>006-312215-
/O.CAN.KBUF.LE.W.0013.000000T0000Z-171231T1500Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Monroe-Wayne-Northern Cayuga-Oswego-
Including the cities of Rochester, Newark, Fair Haven, and Oswego
908 AM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...LAKE EFFECT SNOW WARNING IS CANCELLED...

* WHAT...Very cold wind chills expected. Expect wind chills to 
  range from 10 below zero to 20 below zero.

* WHERE...Monroe, Wayne, Northern Cayuga, and Oswego counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...Lake effect snow will become very light
  today, with only an additional inch or two of accumulation
  through tonight expected, therefore the Lake Effect Snow 
  Warning is canceled. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

NYZ007-008-312215-
/O.CON.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
908 AM EST Sun Dec 31 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Dangerously cold wind chills expected. Expect wind 
  chills to range from 15 below zero to 35 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The dangerously cold wind chills will 
  cause frostbite in as little as 10 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ001-002-010>014-019>021-085-312215-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
908 AM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. Expect wind chills to 
  range from 5 below zero to 20 below zero.

* WHERE...Niagara, Orleans, Erie, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, Cattaraugus, and Allegany counties.

* WHEN...Now to 10 AM Monday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Church
083 
WWUS41 KBUF 311914
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
214 PM EST Sun Dec 31 2017

NYZ007-008-010315-
/O.CON.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
214 PM EST Sun Dec 31 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 15 
  below zero to 40 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Now to 10 AM Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ004>006-010315-
/O.NEW.KBUF.WS.A.0012.180101T1800Z-180102T1200Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
214 PM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...Very cold wind chills expected. Heavy lake effect snow 
  possible. Plan on difficult travel conditions, including 
  during the evening commute on Monday. Expect wind chills to 
  range from 5 below zero to 20 below zero. Total snow 
  accumulations of 5 to 9 inches are possible in the most 
  persistent lake snows.

* WHERE...Wayne, Northern Cayuga, and Oswego counties.

* WHEN...For the Wind Chill Advisory, now to 10 AM Monday. For 
  the Winter Storm Watch, from Monday afternoon through Tuesday 
  morning.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite
  in as little as 30 minutes to exposed skin. Significant
  reductions in visibility and difficult travel are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

Narrow bands of heavy snow could impact portions of the region.
Localized travel problems will be possible.

&&

$$

NYZ001>003-010>014-019>021-085-010315-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, 
Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Jamestown, Olean,
Wellsville, Orchard Park, and Springville
214 PM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 below zero to 20 
  below zero.

* WHERE...Niagara, Orleans, Monroe, Erie, Genesee, Wyoming, 
  Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany 
  counties.

* WHEN...Now to 10 AM Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Church
524 
WWUS41 KBUF 312334
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
634 PM EST Sun Dec 31 2017

NYZ007-008-011000-
/O.CON.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
634 PM EST Sun Dec 31 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 15 below zero
  to 35 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ019-020-011000-
/O.NEW.KBUF.WW.Y.0038.180101T0900Z-180102T0900Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Chautauqua-Cattaraugus-
Including the cities of Jamestown and Olean
634 PM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM MONDAY TO 4 AM EST
TUESDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Total snow accumulations of 4 to 7 inches are 
  expected in the most persistent lake snows. Expect wind chills 
  to range from 10 below zero to 20 below zero.

* WHERE...Chautauqua and Cattaraugus counties.

* WHEN...For the Winter Weather Advisory, from 4 AM Monday to 4 
  AM EST Tuesday. For the Wind Chill Advisory, until 10 AM EST 
  Monday.

* ADDITIONAL DETAILS...Be prepared for slippery, snow covered
  roadways along with reduced visibilities at times. The cold 
  wind chills will cause frostbite in as little as 30 minutes to 
  exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ004>006-011000-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
/O.CON.KBUF.WS.A.0012.180101T1800Z-180102T1200Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
634 PM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...Very cold wind chills expected. Heavy lake effect snow
  possible. Expect wind chills to range from 10 to 20 below zero.
  Total snow accumulations of 5 to 9 inches are possible in the 
  most persistent lake snows.

* WHERE...Wayne, Northern Cayuga, and Oswego counties.

* WHEN...For the Wind Chill Advisory, until 10 AM EST Monday. 
  For the Winter Storm Watch, from Monday afternoon through 
  Tuesday morning.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite
  in as little as 30 minutes to exposed skin. Difficult travel
  conditions and significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

Narrow bands of heavy snow could impact portions of the region.
Localized travel problems will be possible.

&&

$$

NYZ001>003-010>014-021-085-011000-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, 
Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Wellsville, 
Orchard Park, and Springville
634 PM EST Sun Dec 31 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 10 below zero to 20 below 
  zero.

* WHERE...Niagara, Orleans, Monroe, Erie, Genesee, Wyoming, 
  Livingston, Ontario, and Allegany counties.

* WHEN...Until 10 AM EST Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

CHURCH/JJR
647 
WWUS41 KBUF 010832
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
332 AM EST Mon Jan 1 2018

NYZ006-011645-
/O.UPG.KBUF.WS.A.0012.180101T1800Z-180102T1200Z/
/O.NEW.KBUF.LE.W.0001.180101T1800Z-180102T1200Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Oswego-
Including the city of Oswego
332 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM EST TUESDAY...

* WHAT...Heavy lake effect snow expected. Very cold wind chills
  expected. Travel will be very difficult, including during the 
  evening commute. Total snow accumulations of 6 to 12 inches are 
  expected in the most persistent lake snows. Expect wind chills 
  to range from 0 to 25 below zero.

* WHERE...Oswego county.

* WHEN...For the Lake Effect Snow Warning, 1 PM today to 7 AM 
  Tuesday. For the Wind Chill Advisory, now to 10 AM this 
  morning.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4351 7593 4357 7606 4363 7620 4352 7623 
        4352 7644 4343 7661 4336 7662 4332 7639 4335 7602 
        4338 7595 
TIME Y18M01D01T1900Z-Y18M01D02T0000Z
COORD...4338 7611 4346 7623 4348 7648 4343 7661 
        4325 7661 4322 7650 4320 7629 4323 7613 4328 7619 
        4329 7609 
TIME Y18M01D02T0000Z-Y18M01D02T0600Z
COORD...4332 7642 4335 7647 4336 7662 4332 7659 
        4325 7661 4327 7652 4325 7652 4323 7637 4325 7637 
        4328 7642 
TIME Y18M01D02T0600Z-Y18M01D02T1200Z

$$

NYZ007-008-011500-
/O.CON.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
332 AM EST Mon Jan 1 2018

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 10 
  below zero to 35 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Now to 10 AM this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NYZ004-005-011645-
/O.UPG.KBUF.WS.A.0012.180101T1800Z-180102T1200Z/
/O.EXB.KBUF.WW.Y.0038.180101T1800Z-180102T1200Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
332 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM EST TUESDAY...

* WHAT...Lake effect snow expected. Very cold wind chills
  expected. Plan on difficult travel conditions, including during
  the evening commute. Total snow accumulations of 4 to 7 inches
  are expected in the most persistent lake snows. Expect wind
  chills to range from 10 to 20 below zero.

* WHERE...Wayne and Northern Cayuga counties.

* WHEN...For the Winter Weather Advisory, 1 PM today to 7 AM 
  Tuesday. For the Wind Chill Advisory, now to 10 AM this 
  morning.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ003-011645-
/O.EXB.KBUF.WW.Y.0038.180101T1800Z-180102T1200Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Monroe-
Including the city of Rochester
332 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM EST TUESDAY...

* WHAT...Lake effect snow expected. Very cold wind chills 
  expected. Plan on slippery road conditions, including during 
  the evening commute. Total snow accumulations of 3 to 5 inches 
  are expected in the most persistent lake snows. Expect wind 
  chills to range from 10 to 20 below zero.

* WHERE...Monroe county. Lake effect snow heaviest over Northeast
  corner of the county. 

* WHEN...For the Winter Weather Advisory, 1 PM today to 7 AM 
  Tuesday. For the Wind Chill Advisory, now to 10 AM this 
  morning.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. The cold wind chills will cause frostbite in as little 
  as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

This is a potentially dangerous 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.

&&

$$

NYZ019-020-011645-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0038.180101T0900Z-180102T0900Z/
Chautauqua-Cattaraugus-
Including the cities of Jamestown and Olean
332 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
TUESDAY...

* WHAT...Very cold wind chills expected. Lake effect snow 
  expected. Plan on difficult travel conditions. Expect wind 
  chills to range from 10 to 20 below zero. Total snow 
  accumulations of 4 to 7 inches are expected in the most 
  persistent lake snows.

* WHERE...Chautauqua and Cattaraugus counties.

* WHEN...For the Wind Chill Advisory, now to 10 AM this morning. 
  For the Winter Weather Advisory, 4 AM today to 4 AM Tuesday.

* ADDITIONAL DETAILS...The cold wind chills will cause frostbite 
  in as little as 30 minutes to exposed skin. Be prepared for 
  reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010>014-021-085-011500-
/O.CON.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Livingston-Ontario-
Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Geneseo, Canandaigua, Wellsville, Orchard Park, 
and Springville
332 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 10 below zero to 20 below 
  zero.

* WHERE...Niagara, Orleans, Erie, Genesee, Wyoming, Livingston, 
  Ontario, and Allegany counties.

* WHEN...Now to 10 AM this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a potentially dangerous 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.

&&

$$

Thomas
619 
WWUS41 KBUF 011424
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
924 AM EST Mon Jan 1 2018

NYZ007-008-011530-
/O.CAN.KBUF.WC.W.0002.000000T0000Z-180101T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
924 AM EST Mon Jan 1 2018

...WIND CHILL WARNING IS CANCELLED...

Subzero wind chills will still remain across the region today. 

$$

NYZ006-012230-
/O.CAN.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
/O.CON.KBUF.LE.W.0001.180101T1800Z-180102T1200Z/
Oswego-
Including the city of Oswego
924 AM EST Mon Jan 1 2018

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 AM EST TUESDAY...
...WIND CHILL ADVISORY IS CANCELLED...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible, including during the evening commute. 
  Total snow accumulations of 6 to 12 inches are expected in the 
  most persistent lake snows.

* WHERE...Oswego county.

* WHEN...1 PM today to 7 AM Tuesday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4351 7593 4357 7606 4363 7620 4352 7623 
        4352 7644 4343 7661 4336 7662 4332 7639 4335 7602 
        4338 7595 
TIME Y18M01D01T1900Z-Y18M01D02T0000Z
COORD...4338 7611 4346 7623 4348 7648 4343 7661 
        4325 7661 4322 7650 4320 7629 4323 7613 4328 7619 
        4329 7609 
TIME Y18M01D02T0000Z-Y18M01D02T0600Z
COORD...4332 7642 4335 7647 4336 7662 4332 7659 
        4325 7661 4327 7652 4325 7652 4323 7637 4325 7637 
        4328 7642 
TIME Y18M01D02T0600Z-Y18M01D02T1200Z

$$

NYZ019-020-012230-
/O.CAN.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0038.000000T0000Z-180102T0900Z/
Chautauqua-Cattaraugus-
Including the cities of Jamestown and Olean
924 AM EST Mon Jan 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
TUESDAY...
...WIND CHILL ADVISORY IS CANCELLED...

* WHAT...Lake effect snow occurring. Plan on slippery road 
  conditions. Additional snow accumulations of 3 to 6 inches are 
  expected in the most persistent lake snows.

* WHERE...Chautauqua and Cattaraugus counties.

* WHEN...Until 4 AM Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-012230-
/O.CAN.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
/O.CON.KBUF.WW.Y.0038.180101T1800Z-180102T1200Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
924 AM EST Mon Jan 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 AM EST TUESDAY...
...WIND CHILL ADVISORY IS CANCELLED...

* WHAT...Lake effect snow expected. Plan on difficult travel 
  conditions, including during the evening commute. Total snow 
  accumulations of 4 to 7 inches are expected in the most 
  persistent lake snows.

* WHERE...Monroe, Wayne, and Northern Cayuga counties.

* WHEN...1 PM today to 7 AM Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010>014-021-085-011530-
/O.CAN.KBUF.WC.Y.0005.000000T0000Z-180101T1500Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Livingston-Ontario-
Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Geneseo, Canandaigua, Wellsville, Orchard Park, 
and Springville
924 AM EST Mon Jan 1 2018

...WIND CHILL ADVISORY IS CANCELLED...

Subzero wind chills will still remain across the region today. 

$$

Thomas

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 3:38 AM ESTWinter Weather AdvisoryBUFWyoming18 hr
Dec 30, 6:06 AM ESTSpecial Weather StatementBUFChautauqua84 min
Dec 30, 1:03 PM ESTSpecial Weather StatementBUFOswego, Wayne87 min
Dec 30, 2:23 PM ESTWind Chill WarningBUFJefferson, Lewis43 hr
Dec 30, 3:37 PM ESTSpecial Weather StatementBUFWayne53 min
Dec 30, 4:41 PM ESTSpecial Weather StatementBUFMonroe, Orleans, Wayne79 min
Dec 30, 5:59 PM ESTSpecial Weather StatementBUFGenesee, Livingston, Monroe, Niagara, Orleans, Wayne91 min

Nearby

Wind Chill Advisories in New York, 2017Every wind chill advisory in 2017

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.