FXUS65 KREV 082328
AFDREV

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
328 PM PST TUE DEC 8 2009

.SHORT TERM...TONIGHT THROUGH FRIDAY...WITH SNOW COVER...MOSTLY
CLEAR SKIES...LIGHT WINDS AND GOOD RADIATIONAL...COOLING WILL SEE
OVERNIGHT LOWS BELOW ZERO IN MANY LOCATIONS. SHOULD BE ENOUGH
MOISTURE TRAPPED IN VALLEYS FOR PATCHY FOG TO FORM...MAINLY AFTER
MIDNIGHT IN MOST VALLEY LOCATIONS. WITH SNOW COVER...EXPECT HIGHS
WILL REMAIN SOME 15-20 DEGREES BELOW AVERAGE. THEREFORE HAVE
LOWERED DAYTIME HIGH TEMPERATURES WEDNESDAY AND THURSDAY A FEW
DEGREES. HIGH AND MID CLOUDS WILL MOVE INTO THE AREA WEDNESDAY
NIGHT AS DIRTY RIDGE MOVES CLOSER TO THE CWA. THIS SHOULD ALLOW
MIN TEMPERATURES TO BE ABOVE ZERO. FOR THURSDAY INTO THURSDAY
NIGHT...A DISTURBANCE WILL CONTINUE TO MOVE THE WEST COAST
SPREADING SNOW INTO THE SIERRAS THURSDAY AFTERNOON MOVING INTO
WESTERN NEVADA BY FRIDAY. HAVE KEPT POPS LOW NEVADA ZONES DUE TO
DOWNSLOPE. THIS SYSTEM WEAKENS DURING THE DAY FRIDAY. SNOW LEVELS
WILL REMAIN BELOW ALL VALLEY FLOORS WITH SUCH A WEAK SYSTEM AND
LOTS OF CLOUD COVER THURSDAY SEVERELY INHIBITING MIXING IN THE
LOWER ELEVATIONS.

.LONG TERM...FRIDAY NIGHT INTO TUESDAY...THE NEXT STRONGEST STORM 
SYSTEM SHOULD MOVE INTO THE AREA OVER THE WEEKEND. SNOW LEVELS WILL 
ALSO BE ON THE RISE THIS WEEKEND...BUT MAY STILL BE LOW ENOUGH FOR A 
RAIN SNOW MIX. MAY SEE HEAVY SNOW IN SIERRAS WITH GOOD UPSLOPE AND 
MOISTURE CONTENT SATURDAY NIGHT INTO SUNDAY. MOUNTAIN SNOW SHOWERS
EXPECTED TO LINGER SUNDAY NIGHT INTO MONDAY MORNING. OTHERWISE
DRYING MONDAY AFTERNOON AS A RIDGE BUILDS OVER THE AREA.

&&

.AVIATION...MAINLY VFR CONDITIONS EXPECTED AT ALL TAF SITES THE NEXT 
24 HOURS. ONLY EXCEPTION WILL BE THE POTENTIAL FOR PATCHY FREEZING 
FOG OVERNIGHT/EARLY WED MORNING AT KRNO...KLOL AND KTRK GIVEN THE 
VERY COLD TEMPS TONIGHT AND SNOW COVER. 
&& 

.REV WATCHES/WARNINGS/ADVISORIES...
NV...NONE.
CA...NONE.
&&

$$

HTTP://WEATHER.GOV/RENO