846
FXUS65 KREV 282024
AFDREV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
1224 PM PST SUN DEC 28 2025
KEY MESSAGES
* MUCH COLDER TEMPERATURES AND DRY WEATHER PREVAILS TODAY WITH
POTENTIAL FOR FREEZING FOG IN THE SIERRA TONIGHT.
* QUIET WEATHER WITH MORNING INVERSIONS LEADING TO AIR STAGNATION
IS EXPECTED THIS WEEK OVER WESTERN NV VALLEYS.
* THERE IS POTENTIAL FOR ANOTHER SERIES OF WINTER STORMS STARTING
NEW YEARS DAY THROUGH NEXT WEEKEND.
DISCUSSION
LIGHT EASTERLY BREEZES ARE EXPECTED TODAY THROUGH MID-WEEK. COLDER
AIR HAS MOVED IN THIS MORNING, MAKING OUR HIGH AND LOW TEMPERATURES
5 DEGREES BELOW NORMAL FOR THIS TIME OF YEAR THROUGH MONDAY. WE'LL
WARM UP EACH DAY AFTER MONDAY INTO LATE-WEEK WITH HIGHS REACHING UP
TO 50 DEGREES AND LOWS NEAR 30. WITH THE LIGHT WINDS THIS WEEK, WE
MAY SEE MORNING VALLEY INVERSIONS THROUGH AT LEAST WEDNESDAY. THERE
WILL BE A 40-50% CHANCE OF FREEZING FOG EACH MORNING THROUGH MID-
WEEK.
LOOKING AHEAD TO THURSDAY AND BEYOND, THE STORM DOOR HAS AN
INCREASINGLY LIKELY CHANCE TO OPEN UP AGAIN. ENSEMBLES SHOW A 500MB
TROUGH MOVING IN TOWARDS THE END OF THE WEEK, POSITIONED NEAR THE
COAST. CW3E'S GEFS IVT PLUME DOESN'T HAVE MUCH IN THE WAY OF
MOISTURE FOR OUR LATITUDES, HOWEVER THE EC EPS IVT PLUME DOES. AS
SUCH, ENSEMBLES AND LONG RANGE MODELS ARE STILL IN GREAT
DISAGREEMENT, SO TIMING AND PLACEMENT OF ANY STORMS REMAINS
UNCERTAIN. BUT WHERE WE ARE CONFIDENT IS THE FACT THAT WE'LL
LIKELY SEE ANOTHER SERIES OF WINTER STORMS LATE-WEEK INTO NEXT
WEEKEND.
-JUSTIN
AVIATION
VFR CONDITIONS PREVAIL FOR MUCH OF THE REGION OVER THE NEXT 24 HOURS
WITH LIGHT WINDS. FEW TO SCT MID TO HIGH LEVEL CLOUDS TODAY,
BECOMING CLEAR OVERNIGHT TONIGHT THROUGH TUESDAY MORNING. FZFG HAS A
40-50% CHANCE OF BUILDING IN FOR SIERRA VALLEYS BETWEEN 08-17Z
TONIGHT-TOMORROW MORNING, BRINGING LIKELY IFR/LIFR IMPACTS TO KTRK
AND POTENTIALLY KTVL.
-JUSTIN
REV WATCHES/WARNINGS/ADVISORIES
NV...NONE.
CA...NONE.
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