Area Forecast Discussion
Issued by NWS Elko, NV

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FXUS65 KLKN 280932

Area Forecast Discussion
National Weather Service Elko NV
232 AM PDT Sun May 28 2017

.SYNOPSIS...A large ridge of high pressure will provide dry and
increasingly warmer temperatures to the Great Basin for the
remainder of the Memorial Day weekend. Afternoon temperatures
will climb back up into the 80s with some of the typical hot
spots reaching 90 on Tuesday. A Pacific trough will bring the
chance of scattered showers and thunderstorms to Nevada by
midweek. Snowmelt runoff from the mountains will keep the flows
of many streams high and swift during the week ahead.


.SHORT TERM...Sunday through Tuesday.

Large upper ridge will sit over Nevada now through Memorial Day
before starting to break down on Tuesday. With plenty of sunshine
and compressional warming beneath this feature, daytime
temperatures in many locations will gradually climb back up into
the 80s over the next few days while the typical hot spots reach
90 on Tuesday.

.LONG TERM...Tuesday night through next Saturday.

Pacific long wave trough along the West Coast will begin to force
shortwave energy and moisture into western Nevada later Tuesday
into Wednesday. A few showers and storms will be possible by
Wednesday afternoon across the western third of the state while
central and eastern portions of Nevada will likely experience wind
gusts over 30 mph in the low- level southerly flow ahead of the
trough. The best chance of isolated to pockets of scattered
showers and thunderstorms will occur across northern and central
Nevada on Thursday as upper trough axis swings through the region
accompanied by additional shortwave energy, a little better
moisture, and weak instability. The details of Friday into next
weekend are less certain at this time. The GFS is not as cool now
for Thursday and Friday with weak ridging nudging back into
Nevada Friday into Saturday. If this transpires, daytime temperatures
should briefly cool down into the 70s on Thursday before rising
back into the 80s early next weekend.


AVIATION...Large ridge of high pressure over the Great Basin will
provide quiet weather across northern and central Nevada for the
remainder of the Memorial Day weekend. Expect VFR conditions and
light surface winds generally around or less than 10 kts at all
terminals for at least the next 24 hours.


.HYDROLOGY...Increasingly warmer temperatures are on the way for
today through Tuesday. All streams that flow out of mountainous
areas should see significant rises over the next several days.

The lower Humboldt River from Comus downstream through Winnemucca
to the Humboldt/Pershing County border will experience minor to
moderate flooding through early next week. A Flood Warning
remains in effect.

The Jarbidge River has dropped below action stage. However, river
levels are expected to rise again today and Monday as temperatures
warm and snowmelt runoff increases.

Lamoille Creek is below minor flood stage, but could rise again
to flood stage by Memorial Day as snowmelt increases. A flood
warning remains in effect.

The Humboldt River at Battle Mountain is below flood stage and
continues to slowly recede. It is expected to remain in action
stage through at least the middle of next week.

The Bruneau River has fallen below action stage. However, warmer
temperatures and snowmelt are expected to push the river back into
action stage, possibly minor flood stage, over the next few days.

Marys River has risen into action stage and could rise into minor
flood stage today or Memorial Day.

Wildhorse Reservoir is still above the spillway. There is no
threat for flooding at this time downstream along the Owyhee





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