Weather Service Report


739 
FXUS65 KLKN 260958
AFDLKN

Area Forecast Discussion
National Weather Service Elko NV
258 AM PDT Wed Apr 26 2017

.SYNOPSIS...An unsettled cool and wet weather pattern will 
continue across northern and central Nevada through the end of 
this week. A series of upper level disturbances interacting with 
Pacific moisture will produce occasional rain and snow showers 
through Friday. Look for conditions to slowly improve over the 
weekend. 

&&

.SHORT TERM...Today through Friday. KLRX radar shows showers
predominantly confined to Elko County thus far this morning with
more showers developing north of the border with Idaho. No 
evidence that much is reaching the ground thus far. Temperatures 
are hovering in the 40s across northern Nevada and dipping into 
the 30s across central Nevada at this hour. With low pressure to
the east and a Pacific High holding strong, the LKN CWFA will be
subjected to a northwesterly flow aloft and periods of
precipitation.

Today through tonight. There is a lot of moisture to come with a 
shortwave moving through. Windy conditions will be widespread 
over the western portion of the CWFA, with thunderstorms across 
eastern Nevada. Wind Advisories are in place for later today for 
all but Elko County and a Winter Weather Advisory is in effect for
elevations above 6000 feet across northern Elko County and the
Ruby Mountains where as much as 0.60-0.80 QPF is available per 
models. Mountains could get nearly a foot of snow. High
temperatures will reach the 50s in most places except 40s across
northern Elko County. Low temperatures will range from the mid 20s
to the mid 30s. 

Thursday through Friday. As the northwest flow persists, winds
will likely continue to be breezy at times and temperatures will
stay on the cool side. The only thing that stands out as
interesting during this period is a short wave that moves south
along the western side of the synoptic trough over the central
CONUS. This could bring some measurable precipitation for areas 
east of the Ruby Mountains Friday. High temperatures will reach 
the 50s in most places except 40s across northern Elko County. Low
temperatures will drop into the 20s.

.LONG TERM...Friday night through next Tuesday

A highly amplified ridge in the Eastern Pacific is causing a 
trof to dig east of us. This will leave the CWA sandwiched in
between the ridge and trof in a northerly flow throughout the 
extended. Models indicate a little energy rides through the 
flow on Sunday and brings some showers near the Idaho border in
the northern fringes of Humboldt and Elko counties. Models also 
are indicating that another trof will carve a path into Utah in a 
similar manner to the trof that has recently been affecting our 
weather. However, the trof digs a bit farther to our east and so 
at this time we should remain dry. This is far enough out in the 
future that any model shift slightly to our west would change 
that. Friday night and Saturday will be cool with low temps in the
20's and highs 45 to 55 degrees. Temperatures warm a bit Sunday 
through Tuesday, but limited in the northerly flow to the 55-65 
degree range. Valley lows look to remain in the 30's.

&&

.AVIATION...High confidence in strong west to northwest winds
developing this afternoon and continuing through this evening.
Expect 25 kt winds gusting to 40 kts all terminals, though at 
KTPH, 35 kt winds with gusts to 50 kts can be expected.

Rain showers will develop around 11Z at KWMC and spread east to
KEKO near 13Z and KELY close to 20Z. Possible MVFR conditions at 
times in areas of showers. Thundershowers may develop this 
afternoon. Confidence is medium for TS in vicinity of KEKO but low
confidence for KWMC and KELY. KTPH is expected to remain dry
through tonight.

&&

.HYDROLOGY...A cool and unsettled weather pattern will continue 
through the end of this week. Some rivers and creeks are running 
high and will likely see levels rise in response to additional 
precipitation in the days ahead. The lower stretch of the Humboldt
River from Battle Mountain to the Humboldt/Pershing County line 
is still experiencing flooding issues. At Wildhorse Reservoir, 
water is being released and flowing over the spillway. As a 
result, the Owyhee River is showing a rise. Outdoor enthusiasts 
should watch out for and be cautious around higher flows.

Here are the locations where flood warnings are currently in 
effect:

Humboldt River - Battle Mountain: Minor flooding continues.

Humboldt River - Comus, near Winnemucca: Minor to Moderate 
flooding continues.

All other monitored creeks and rivers are below minor flood stage
at this time, but will likely see rises this week due to an
occasionally wet and unsettled weather pattern. River Statements 
have been issued to provide information concerning the following 
sites:

Wildhorse Dam - at Wildhorse

Owyhee River - at Wildhorse

Owyhee River - near Mountain City

Bruneau River - near Rowland

Mary's River - at Deeth 

&&

.LKN WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory from 5 AM early this morning to 5 AM PDT 
Thursday for Northern Elko County-Ruby Mountains/East Humboldt 
Range.

Wind Advisory from noon today to 10 PM PDT this evening for 
Humboldt County-Northeastern Nye County-Northern Lander County 
and Northern Eureka County-Northwestern Nye County-Southern 
Lander County and Southern Eureka County-White Pine County.

&&

$$

92/90/90

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Western Regional Climate Center, wrcc@dri.edu