Area Forecast Discussion
Issued by NWS Elko, NV

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FXUS65 KLKN 151011

Area Forecast Discussion
National Weather Service Elko NV
211 AM PST Fri Dec 15 2017

.SYNOPSIS...Increasing clouds later today, with light snow
showers tonight across mainly northern and east-central NV. A few
flurries linger over eastern NV into Saturday afternoon, then
cool and dry Saturday night into next week. Another storm system
will impact the region next Wednesday with a little more snow.


.SHORT TERM...Today through Sunday. Some cirrus clouds are moving
into northwestern NV early this morning, which will drift
southeastward today. Look for clouds to both thicken and lower
later today as the ridge breaks down with the approaching cold
front. Light snow will begin to move into northwestern Humboldt
County shortly before sunset this afternoon, and gradually drift
southeast across NV this evening and overnight. Latest guidance
has slightly increased the QPF amounts associated with the cold
front. At this time most valley locations across northern NV look
to see a quarter to a half inch of snow tonight, with central NV
valleys locations seeing a trace to a quarter inch of snow. Most
mountain areas should see 1-3 inches of snow with this weak
system. The trough axis exits southeast Saturday afternoon leaving
a cold northerly flow aloft across the region. Expect below
normal temperatures across the region Saturday night and Sunday

.LONG TERM...Northwest flow will be in place at the start of the
long term period and a little energy and moisture will be moving
through this flow Sunday night through Monday night. Most of the
moisture stays to our north but a few showers may occur in very
northeastern Nevada during this period.

The flow will turn more westerly on Tuesday as the next cold
front approaches. Models remain in pretty good sync with this
front. One difference compared to 24 hours ago is that the
models are bringing the system through a bit earlier, beginning
earlier in the morning Wednesday in northwest Nevada and then
moving it across the state on Wednesday, along with a period of
light snow. This looks to be a cold system from the start and some
valleys still looking like they may get an inch or two with this
fast moving system. Some stronger west winds possible staying
ahead of the front on Wednesday, mainly in higher elevations,
though looking sub advisory at this time.

After some leftover snow showers on Wednesday night, a cold
northerly flow will set up for Thursday. Near normal temperatures
at the start of the long term will warm a little above normal by
Tuesday in the westerly flow only to drop back down near normal
with the frontal passage.


.AVIATION...A cold front will approach the region from the
northwest later Friday bringing a band of thicker high and mid-
level cloudiness along with the chance of a few brief snow showers
to KWMC, KEKO, and KELY later Friday night into early Saturday
morning. MVFR CIGS and VIS likely with these showers and possible
very temporary IFR conditions.





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