Chautauqua Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Lake Effect Snow Warning
Issued: 1:07 PM EST Dec. 11, 2017 – National Weather Service

... Lake effect snow warning in effect from 10 PM this evening to
7 PM EST Wednesday...

* what... heavy lake effect snow expected. A general snow tonight
will transition to lake effect snow Tuesday. Travel will be
very difficult at times. Total snow accumulations of 10 to 15
inches are expected in the most persistent lake snows, with
local amounts of up to 20 inches across the higher terrain of
Chautauqua County.

* Where... Wyoming, Chautauqua, Cattaraugus, and southern Erie
counties. Greatest amounts across the higher terrain inland from
Lake Erie.

* When... 10 PM today to 7 PM Wednesday. The period of heaviest
snow accumulation is expected to be late Tuesday afternoon
through Wednesday morning.

* Additional details... winds gusting as high as 40 mph will cause
significant blowing and drifting snow. The combination of heavy
snow and blowing snow will create very difficult travel, with
very low visibility and deep snow cover on roads.

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... 4239 7837 4255 7814 4273 7826 4274 7855
        4268 7913 4232 7975 4199 7977 4199 7900 4214 7873
        4223 7845
time y17m12d12t0300z-y17m12d12t1800z
coord... 4249 7842 4257 7813 4281 7815 4271 7891
        4259 7914 4249 7945 4232 7975 4199 7977 4200 7884
        4213 7862
time y17m12d12t1800z-y17m12d13t1200z
coord... 4244 7842 4250 7856 4266 7862 4265 7880
        4256 7897 4249 7925 4225 7976 4199 7977 4200 7861
        4223 7845
time y17m12d13t1200z-y17m12d14t0000z





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