214
FXUS65 KREV 232020
AFDREV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
120 PM PDT FRI OCT 23 2026
KEY MESSAGES
* LINGERING SHOWERS IN SOUTHERN MONO COUNTY WILL DISSIPATE BY THIS
EVENING.
* GUSTY NE-E WINDS TONIGHT INTO EARLY SUNDAY WILL PRODUCE CHOPPY
WATERS ON LAKE TAHOE AND LOCALIZED TURBULENCE.
* DRY AND COOL CONDITIONS FOR THE WEEKEND WITH INCREASING WINDS
MONDAY.
DISCUSSION
LINGERING SHOWERS IN THE FAR SOUTHERN PORTIONS OF MONO COUNTY WILL
DISSIPATE AS THE AFTERNOON PROGRESSES AND A COLD FRONT MOVES OUT
OF THE AREA. THIS WILL ALLOW COOL AND DRY CONDITIONS TO PERSIST
FOR THE WEEKEND AREAWIDE. AFTERNOON TEMPERATURES WILL CREEP UP
INTO THE 60S FOR VALLEYS AND UPPER 50S FOR SIERRA COMMUNITIES.
MORNING LOWS WILL CONTINUE TO HOVER NEAR FREEZING FOR VALLEYS,
WHILE SIERRA COMMUNITIES WILL RANGE FROM THE TEENS TO THE UPPER
20S.
THAT AFOREMENTIONED COLD FRONT IS THE REASON WHY WINDS HAVE BEEN
MOSTLY NORTHERLY THIS AFTERNOON. THESE WINDS WILL SHIFT
NORTHEAST/EASTERLY BY THIS EVENING, AND WILL GUST UP TO 50-60 MPH
ALONG THE RIDGES. WIND GUSTS IN EXCESS OF 35 MPH WILL MIX DOWN TO
LAKE LEVEL, PRODUCING WAVES OF 2-4 FEET ON LAKE TAHOE. AS SUCH, A
LAKE WIND ADVISORY WILL BE IN EFFECT FROM 8PM THIS EVENING UNTIL
8AM SATURDAY MORNING. WHILE THE WINDS ARE EXPECTED TO DIE DOWN
AFTER DAYBREAK, CHOPPY LAKE WATERS WILL STILL BE PREVALENT FOR
ANY EARLY-MORNING LAKE RECREATORS.
A BRIEF SHORTWAVE TO OUR NORTH MONDAY WILL INTRODUCE INCREASED
WINDS BOTH FOR THE VALLEYS AND RIDGES, WITH GUSTS UP TO 35 MPH AND
60 MPH, RESPECTIVELY. ADDITIONALLY, THERE ARE LIGHT (15-25%)
CHANCES FOR RAIN SHOWERS FOR NE CA NORTH OF SUSANVILLE AND THE
SURPRISE VALLEY MONDAY AFTERNOON AND EVENING. TUESDAY AND BEYOND,
DRY AND COOL CONDITIONS PREVAIL. HOWEVER, LONG RANGE GUIDANCE
SHOWS A COLD AND POTENTIALLY SNOWY START TO NOVEMBER. STAY TUNED
FOR MORE CONCRETE DETAILS AS WE GET CLOSER.
-GIRALTE
AVIATION
VFR CONDITIONS AREAWIDE TODAY, WITH N/NE WINDS GUSTING UP TO 25
KTS FOR SIERRA FRONT TERMINALS. WINDS WILL SHIFT MORE NE/E AFTER
SUNSET, AND WILL GUST UP TO 55 KTS ALONG THE RIDGES, PRODUCING
LLWS WEST OF THE SIERRA CREST.
THE WIND WILL BE A LIMITING FACTOR FOR FG/FZFG DEVELOPMENT AT
KTRK. LINGERING MOISTURE FROM THIS MORNING'S LIGHT RAIN WILL
PROMOTE FG TONIGHT, HOWEVER, IF THE WINDS STAY STRONG OVERNIGHT,
THIS COULD LIMIT THE DEVELOPMENT. ADDITIONALLY, LOWER CLOUD DECKS
THIS EVENING INTO EARLY SATURDAY MAY PRODUCE MOUNTAIN
OBSCURATIONS.
DRY AND CALM CONDITIONS PERSIST FOR THE REMAINDER OF THE WEEKEND,
WITH INCREASING WINDS MONDAY DUE TO A SHORTWAVE TO OUR NORTH.
-GIRALTE
REV WATCHES/WARNINGS/ADVISORIES
NV...LAKE WIND ADVISORY FROM 8 PM THIS EVENING TO 8 AM PDT SATURDAY
NVZ002.
CA...LAKE WIND ADVISORY FROM 8 PM THIS EVENING TO 8 AM PDT SATURDAY
CAZ072.
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