998  
FXUS65 KLKN 081203  
AFDLKN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE ELKO NV  
403 AM PST THU DEC 8 2022  
   
SYNOPSIS
 
AREAS OF FREEZING FOG THIS MORNING WILL RESULT IN  
REDUCED VISIBILITIES. DRY AND MILD THIS AFTERNOON. SNOW SHOWERS  
DEVELOP OVER HUMBOLDT COUNTY THIS EVENING, WITH SNOW EXPANDING  
ACROSS MOST OF NORTHERN NV TONIGHT INTO FRIDAY. A STRONGER SYSTEM  
WILL IMPACT THE REGION LATE SATURDAY INTO SUNDAY.  
 

 
   
SHORT TERM
 
TODAY THROUGH FRIDAY. AREAS OF FREEZING FOG HAVE  
DEVELOPED ACROSS PORTIONS OF NORTHERN AND CENTRAL NV THIS MORNING,  
WHICH ARE EXPECTED TO LINGER THROUGH THE MID TO LATE MORNING  
HOURS. VISIBILITIES IN THE FOG WILL GENERALLY RANGE FROM 1-3  
MILES, HOWEVER POCKET OF MORE DENSE FOG MAY RESULT IN VISIBILITIES  
LOWERING TO A HALF MILE OR LESS AT TIMES.  
 
DRY CONDITIONS ARE EXPECTED ACROSS THE CWA TODAY, HOWEVER CLOUDS  
WILL INCREASE FROM NW TO SE AHEAD OF AN APPROACHING WEAK SYSTEM  
THAT WILL BEGIN TO SPREAD SNOW TO HUMBOLDT COUNTY THIS EVENING.  
SNOW SHOWERS EXPAND SOUTH TO AROUND HIGHWAY 50 AND EAST TO THE  
UTAH STATE LINE TONIGHT INTO FRIDAY. MOST SNOWFALL LATE THIS  
EVENING THROUGH FRIDAY MORNING WILL BE ACROSS HUMBOLDT AND ELKO  
COUNTIES, WHERE MANY VALLEY LOCATIONS WILL RECEIVE BETWEEN A TRACE  
AND 2 INCHES OF NEW SNOW. SUMMITS AND MOUNTAINS CAN EXPECT 2 TO 4  
INCHES. CENTRAL NV COUNTIES MAY SEE AN OCCASIONAL SNOW FLURRY  
LATE TONIGHT INTO FRIDAY AFTERNOON, HOWEVER MOST OF THIS AREA WILL  
BE SNOW-FREE.  
   
LONG TERM
 
FRIDAY NIGHT THROUGH NEXT THURSDAY. A SHORTWAVE RIDGE  
AXIS IS PROJECTED TO MOVE ACROSS NORTHERN AND CENTRAL NEVADA  
FRIDAY NIGHT BUT WILL QUICKLY GIVE WAY TO THE NEXT WEATHER SYSTEM.  
CHANCES FOR PRECIPITATION WILL BE ON THE INCREASE SATURDAY AS  
MODELS ARE SHOWING AN UPPER LEVEL LOW PRESSURE SYSTEM SPINNING OFF  
THE WESTERN COAST OF THE UNITED STATES. BREEZY TO WINDY CONDITIONS  
WILL BE POSSIBLE WITH THE STRONGEST WINDS FORECAST OVER CENTRAL  
NEVADA, WITH GUSTS OF 30 TO 40 MPH. HIGH TEMPERATURES ON SATURDAY  
WILL BE IN THE 30S AND 40S.  
 
SATURDAY NIGHT AND SUNDAY. THE AFOREMENTIONED UPPER LEVEL SYSTEM  
OFF THE COAST OF THE WESTERN UNITED STATES WILL PUSH INLAND AND  
BE POSITIONED SOMEWHERE ACROSS WASHINGTON STATE SOUTH TO NORTHERN  
CALIFORNIA. A FRONTAL BOUNDARY IS EXPECTED TO PUSH ACROSS THE  
FORECAST AREA DURING THIS TIME WITH A BAND POSSIBLY SETTING UP  
ACROSS CENTRAL NEVADA, OVER PORTIONS OF THE US HIGHWAY 50  
CORRIDOR. THIS FEATURE WILL NEED TO BE WATCHED. THE SHOWER  
ACTIVITY WILL CONSIST OF ALL SNOW WITH OVERNIGHT LOWS IN THE TEENS  
AND 20S AND HIGHS ON SUNDAY IN THE 30S, WITH SOME LOCATIONS  
PERHAPS SEEING ONLY THE 20S. THE ANTICIPATED SNOWFALL IN THE  
VALLEYS FOR THE NORTHERN SECTIONS ARE EXPECTED TO BE IN THE ONE TO  
FOUR INCH RANGE, WHILE IN CENTRAL NEVADA IT WILL BE TWO TO SIX  
INCHES, THOUGH LOCALLY HIGHER AMOUNTS ARE DEFINITELY A POSSIBILITY  
AT ANY LOCATION. HIGHER PASSES AND SUMMITS COULD SEE FOUR TO  
EIGHT INCHES OF SNOW. THESE NUMBERS WILRL GET REFINED AS THE  
EVENT DRAWS NEAR.  
 
SUNDAY NIGHT THROUGH MONDAY, SNOW SHOWERS REMAIN POSSIBLE AS THE  
COLD UPPER LOW TREKS EAST OVER THE AREA. IT WILL AGAIN BE ON THE  
CHILLY SIDE WITH HIGHS IN THE 20S AND 30S WITH LOWS IN THE SINGLE  
DIGITS AND TEENS. A BREAK IN THE ACTIVE WEATHER IS POSSIBLE  
TUESDAY THROUGH THURSDAY WITH COLD HIGHS IN THE 20S AND LOWS IN  
THE SINGLE DIGITS AND TEENS.  
 

 
   
AVIATION
 
FREEZING FOG DEVELOPMENT AND DISSIPATION CONTINUES TO  
BE THE BIGGEST CONCERN AT THE TERMINALS FOR THE EARLY MORNING  
HOURS OF THURSDAY. CURRENTLY THERE IS FREEZING FOG ONLY PRESENT  
OVER THE KEKO TERMINAL, BUT LATEST SATELLITE IMAGERY HAS SEEN  
POCKET FORMING IN VALLEYS AROUND THE REGION. ALONGSIDE THIS  
ALREADY DEVELOPED FREEZING FOG, LATEST MODEL RUNS HAVE CONTINUE TO  
SUPPORT DECENT CHANCES OF DEVELOPED AT OR WITHIN THE VICINITY OF  
ALL THE OTHER TERMINALS, WITH KTPH HAVING THE LOWEST CHANCE RIGHT  
NOW. SHOULD FOG FORM, EXPECTED SIMILAR CONDITIONS TO WHAT HAS BEEN  
REPORTED AT KEKO WITH IFR TO OCCASIONAL LIFR LEVELS OF VIS AND  
CIGS. DISSIPATION OF ANY FOG IS LIKELY TO OCCUR BY THE LATE  
MORNING TO EARLY AFTERNOON, WITH VFR CONDITIONS LOOKING TO BUILD  
BACK INTO TO ALL TERMINALS FOR THE AFTERNOON AND EVENING HOURS.  
HOWEVER, A NEW SYSTEM WILL LOOK TO MOVE IN THURSDAY NIGHT, WHICH  
IS EXPECTED TO BRING LIGHT SNOW TO ALL OF THE NORTHERN TERMINALS  
CLEAR INTO FRIDAY MORNING.  
 

 
   
LKN WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
96/86/94  
 
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