Winter Weather Warnings / Watches / Advisories
Issued by NWS Buffalo, NY

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000
WWUS41 KBUF 150246
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
946 PM EST Thu Dec 14 2017

NYZ006-151100-
/O.UPG.KBUF.WS.A.0008.171216T0300Z-171216T1800Z/
/O.NEW.KBUF.LE.W.0011.171216T0300Z-171216T1800Z/
/O.CON.KBUF.WW.Y.0026.000000T0000Z-171215T1200Z/
Oswego-
Including the city of Oswego
946 PM EST Thu Dec 14 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 10 PM FRIDAY TO 1 PM
EST SATURDAY...

* WHAT...Moderate to occasionally heavy lake snow overnight will
  accumulate 3 to 6 inches. Heavy lake effect snow expected Friday
  night and Saturday with 6 to 12 inches expected in the most
  persistent lake snows. Travel will be difficult tonight and very
  difficult Friday night and Saturday morning.

* WHERE...Oswego county.

* WHEN...For the Winter Weather Advisory, until 7 AM Friday. For
  the Lake Effect Snow Warning, 10 PM Friday to 1 PM Saturday.

* 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.

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.

&&

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...4408 7515 4417 7531 4418 7586 4406 7640
        4386 7637 4365 7623 4359 7564 4374 7555 4380 7530
        4391 7516
TIME Y17M12D16T0300Z-Y17M12D16T0900Z
COORD...4392 7525 4385 7544 4392 7561 4391 7600
        4385 7629 4355 7625 4345 7570 4345 7555 4354 7534
        4364 7527
TIME Y17M12D16T0900Z-Y17M12D16T1200Z
COORD...4359 7525 4367 7575 4365 7623 4355 7625
        4356 7643 4343 7661 4337 7644 4331 7588 4346 7581
        4342 7550
TIME Y17M12D16T1200Z-Y17M12D16T1800Z

$$

NYZ007-151100-
/O.UPG.KBUF.WS.A.0008.171216T0300Z-171216T1800Z/
/O.NEW.KBUF.LE.W.0011.171216T0300Z-171216T1500Z/
Jefferson-
Including the city of Watertown
946 PM EST Thu Dec 14 2017

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 10 PM FRIDAY TO 10 AM
EST SATURDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult. Total snow accumulations of 6 to 12 inches are
  expected in the most persistent lake snows south of Watertown.

* WHERE...Jefferson county.

* WHEN...10 PM Friday to 10 AM Saturday.

* 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...4408 7515 4417 7531 4418 7586 4406 7640
        4386 7637 4365 7623 4359 7564 4374 7555 4380 7530
        4391 7516
TIME Y17M12D16T0300Z-Y17M12D16T0900Z
COORD...4392 7525 4385 7544 4392 7561 4391 7600
        4385 7629 4355 7625 4345 7570 4345 7555 4354 7534
        4364 7527
TIME Y17M12D16T0900Z-Y17M12D16T1200Z

$$

NYZ008-151100-
/O.UPG.KBUF.WS.A.0008.171216T0300Z-171216T1800Z/
/O.NEW.KBUF.LE.W.0011.171216T0300Z-171216T1800Z/
Lewis-
Including the city of Lowville
946 PM EST Thu Dec 14 2017

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 10 PM FRIDAY TO 1 PM
EST SATURDAY...

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

* WHERE...Lewis county.

* WHEN...10 PM Friday to 1 PM Saturday.

* 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...4408 7515 4417 7531 4418 7586 4406 7640
        4386 7637 4365 7623 4359 7564 4374 7555 4380 7530
        4391 7516
TIME Y17M12D16T0300Z-Y17M12D16T0900Z
COORD...4392 7525 4385 7544 4392 7561 4391 7600
        4385 7629 4355 7625 4345 7570 4345 7555 4354 7534
        4364 7527
TIME Y17M12D16T0900Z-Y17M12D16T1200Z
COORD...4359 7525 4367 7575 4365 7623 4355 7625
        4356 7643 4343 7661 4337 7644 4331 7588 4346 7581
        4342 7550
TIME Y17M12D16T1200Z-Y17M12D16T1800Z

$$

NYZ001-151100-
/O.CON.KBUF.WW.Y.0027.171215T1600Z-171216T0300Z/
Niagara-
Including the city of Niagara Falls
946 PM EST Thu Dec 14 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM TO 10 PM
EST FRIDAY...

* WHAT...Lake effect snow expected. Plan on slippery road
  conditions, including during the evening commute on Friday.
  Total snow accumulations of 3 to 6 inches are expected in the
  most persistent lake snows.

* WHERE...Niagara county.

* WHEN...11 AM to 10 PM Friday.

* 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.

&&

$$

NYZ010-151100-
/O.CON.KBUF.WW.Y.0027.171215T2100Z-171216T0600Z/
Northern Erie-
Including the city of Buffalo
946 PM EST Thu Dec 14 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM FRIDAY TO
1 AM EST SATURDAY...

* WHAT...Lake effect snow expected. Plan on slippery road
  conditions, including during the evening commute on Friday.
  Total snow accumulations of 3 to 5 inches are expected in the
  most persistent lake snows.

* WHERE...Northern Erie county.

* WHEN...4 PM Friday to 1 AM Saturday.

* 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.

&&

$$

NYZ012-019-020-085-151100-
/O.CON.KBUF.WS.A.0008.171216T0000Z-171216T1800Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park,
and Springville
946 PM EST Thu Dec 14 2017

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy lake effect snow possible. Plan on difficult
  travel conditions. Total snow accumulations of 6 to 11 inches
  are possible in the most persistent lake snows.

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

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



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