Area Forecast Discussion
Issued by NWS Elko, NV

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FXUS65 KLKN 211023
AFDLKN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
323 AM PDT MON APR 21 2014

.SYNOPSIS...WARM AND BREEZY TODAY. MUCH COOLER AND WINDIER TUESDAY
AS A STRONG COLD FRONT SPREADS IN FROM THE NORTHWEST. TUESDAYS
FRONTAL PASSAGE WILL BRING SHOWERS TO MOST OF NORTHERN AND MUCH OF
CENTRAL NEVADA. DRIER WEDNESDAY AND THURSDAY...WITH SHOWERS
RETURNING TO THE REGION THURSDAY NIGHT THROUGH SATURDAY.

&&

.SHORT TERM...TODAY THROUGH WEDNESDAY. TROUGH DIGGING IN ALONG THE
PACIFIC NORTHWEST COAST TODAY TURNS THE FLOW OVER NEVADA
SOUTHWESTERLY. IN ADDITION TO WARMER TEMPERATURES MOST OF NORTHERN
AND CENTRAL NEVADA WILL NOTICE BREEZY CONDITIONS BY THE AFTERNOON
HOURS AS WINDS ALOFT MIX TO THE SURFACE. WEAK INSTABILITY OVER
NORTHEASTERN NEVADA TODAY MAY PRODUCE A LIGHT MOUNTAIN
SHOWER...BUT OTHERWISE MOST OF THE REGION WILL REMAIN DRY. TROUGH
AND FRONTAL BOUNDARY MOVE INTO NORTHWESTERN NEVADA EARLY
TUESDAY...WITH WINDS OUT AHEAD OF THE FRONT BECOMING MUCH
STRONGER. CONTINUED THE HIGH WIND WATCH FOR WHITE PINE
COUNTY...WHICH REMAINS IS IN EFFECT FOR TUESDAY. MAY ALSO HAVE
WIND ADVISORIES FOR MUCH OF THE REMAINING PORTIONS OF NORTHERN AND
CENTRAL NEVADA FOR TUESDAY AFTERNOON. MUCH COOLER TUESDAY WITH
MOST OF NORTHERN NEVADA FEELING A 20 DEGREE DROP IN AFTERNOON HIGH
TEMPERATURES FROM WHAT WE SEE THIS AFTERNOON. LIONS SHARE OF THE
SHOWER ACTIVITY WITH THE PASSING FRONT WILL BE ACROSS NORTHERN
NEVADA TUESDAY...THOUGH MOST MOUNTAINOUS AREAS AND SOME VALLEY
LOCATIONS ACROSS CENTRAL NEVADA ARE EXPECTED TO RECEIVE SOME QPF
BY TUESDAY EVENING BEFORE THE SYSTEM EJECTS EAST INTO UTAH.
LIGHTER WINDS ALONG WITH DRY CONDITIONS IN MOST AREAS TUESDAY
NIGHT INTO WEDNESDAY...HOWEVER THE COOLER AIR WILL REMAIN OVER THE
REGION WITH HIGHS WEDNESDAY REMAINING IN THE 50S MOST AREAS.

.LONG TERM...WEDNESDAY NIGHT THROUGH SUNDAY. THE PERIOD COMMENCES
WITH FLAT UPPER RIDGE OVER THE AREA BUT BY LATE THURSDAY UPPER
TROUGH MOVING ONTO THE PACIFIC NORTHWEST COAST WILL BEGIN TO
SPREAD SOME MOISTURE ACROSS NORTHERN NV FOR A FEW SHOWERS. AS
UPPER TROUGH CONTINUES TO DIG SOUTHWARD SHOWERS WILL SPREAD INTO
ALL OF NORTHERN AND CENTRAL NV BY FRIDAY. SNOW LEVELS WILL REMAIN
FAIRLY HIGH THROUGH THE DAY FRIDAY RANGING FROM OVER 7500 FEET IN
CENTRAL NV TO AROUND 6000 FEET ACROSS NORTHWEST NEVADA. UPPER
TROUGH WILL TRANSVERSE THE GREAT BASIN FRIDAY NIGHT AND SATURDAY
WITH SNOW LEVELS FALLING TO SOME VALLEY FLOORS.

&&

.AVIATION...A STORM SYSTEM APPROACHING THE WEST COAST WILL BRING
BREEZY SOUTHWEST WINDS THIS AFTERNOON WITH SPEEDS OF 15 TO 25 KTS.
THESE WINDS WILL PICK UP DUST IN WESTERN NV SPREADING IT ACROSS
PORTIONS OF NRN NV OVERNIGHT. THIS COULD LOWER VISIBILITIES DOWN
TO 5 MILES AT THE KWMC AND KEKO TERMINALS. A FEW RAIN SHOWERS
WILL DEVELOP AROUND KWMC LATE TONIGHT BUT CONDITIONS WILL REMAIN
VFR.

&&

.LKN WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WATCH FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON
FOR WHITE PINE COUNTY.

&&

$$

96/91/91





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