Area Forecast Discussion
Issued by NWS Elko, NV

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FXUS65 KLKN 230945

Area Forecast Discussion
National Weather Service Elko NV
245 AM PDT Sat Sep 23 2017

.SYNOPSIS...Areas of freezing fog this morning. Isolated
thunderstorms over east-central NV this afternoon, otherwise dry
and cold. Dry on Sunday across the region with temperatures
trending warmer.


.SHORT TERM...Today through Sunday. Areas of freezing fog across
much of northern and central NV this morning as northerly flow
and diminishing clouds help temperatures fall toward dewpoints.
Trough axis over NV early this morning drifting slowly east. Cold
northerly flow will keep temperatures well below normal this
afternoon, with some instability over east-central NV at the base
of the exiting trough axis. Best chances for isolated thunderstorm
activity will be over eastern White Pine County, especially near
Great Basin National Park. CWA will be under the back side of the
deep trough tonight with cold and dry air leading to more fog and
cold conditions early Sunday. Dry on Sunday with gradually warming

.LONG TERM...Sunday night through next Saturday. A very slow
moderating trend will commence through the extended. Temps will
still be in the 20s Monday morning for most locations. By the
middle portion of the week, expect morning lows to climb into the
30s. Daytime highs will gradually climb from the 50s/60s on Monday
to the 70s and perhaps 80 in the lower valleys of Humboldt and
northern Nye Counties.

Models are in pretty good agreement with the continued slow
movement of the closed low in Utah. This will keep the region in
light northerly flow until Wednesday.

By Tuesday, there is some indication of a weak shortwave sliding
south through eastern NV and closing off across southern NV. This
could spark a few showers Tuesday in White Pine County. The
closed low will likely meander for a couple days and then lift
back north Thursday/Friday. If this were to occur, some isolated
showers would be possible along the border of NV/UT.


.AVIATION...LIFR/VLIFR continues at KELY and should persist until
shortly after daybreak. Fog channel showed the fog stretching
north/south in the valley. GOES-16 and obs show very low
stratus/fog slowly forming in/around KEKO. Expect fog to lower
vis/cigs through 10z and persist until after sunrise. KWMC is too
dry for fog and a northerly wind is keeping KTPH fog free.

A very isolated showers will be possible at KEKO this aftn. VCTS
is likely for KELY. All other TAF sites will be dry with a
northerly wind and scattered deck around 6-8k.


.FIRE WEATHER...Isolated showers and thunderstorms over and near
White Pine County this afternoon. Well below normal temperatures
continue through the weekend, however dry and stable conditions in
all zones Sunday.





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