708
FXUS66 KHNX 281154
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
454 AM PDT FRI MAR 28 2025
KEY MESSAGES
1. LIGHT PRECIPITATION IS POSSIBLE TODAY AND SATURDAY, MAINLY
ALONG THE SIERRA AND TEHACHAPI FOOTHILLS. THERE IS A 30 TO 80
PERCENT CHANCE FOR GREATER THAN ONE TENTH OF AN INCH IN THESE
AREAS BY SATURDAY AFTERNOON.
2. STRONG WIND GUSTS WILL CONTINUE ALONG THE MOJAVE SLOPES
THROUGH SATURDAY. A WIND ADVISORY REMAINS IN EFFECT FOR THIS
AREA DUE TO EXPECTED WINDS 30 TO 40 MPH WITH GUSTS TO 60 MPH.
3. TEMPERATURES ARE FORECAST TO HOVER AROUND CLIMATOLOGICAL
AVERAGES THROUGH AT LEAST MONDAY.
4. THERE IS POTENTIAL FOR A SYSTEM TO BRING MORE SIGNIFICANT
PRECIPITATION NEXT WEEK. BUT THERE REMAINS A LARGE AMOUNT OF
UNCERTAINTY WITH THE TRACK OF THIS SYSTEM AT THIS TIME.
DISCUSSION
AN UPPER TROUGH REMAINS OVER THE WEST WITH A CLOSED LOW JUST
OFF THE WASHINGTON COAST. SATELLITE LOOPS SHOW EXTENSIVE CLOUD
COVER OVER CENTRAL AND SOUTHERN CALIFORNIA. THERE IS A SLIGHT
CHANCE FOR LIGHT PRECIPITATION TODAY INTO SATURDAY, MAINLY AS
UPSLOPE SHOWERS ALONG THE SIERRA AND TEHACHAPI FOOTHILLS. MOST
AREAS WILL SEE LESS THAN ONE TENTH OF AN INCH OF RAINFALL. A
FEW LOCATIONS DO HAVE UP TO AN 80 PERCENT CHANCE FOR RECEIVING
ONE TENTH OF AN INCH BUT THERE IS ONLY A 30 PERCENT CHANCE FOR
ONE QUARTER OF AN INCH. THE SNOW LEVEL WILL FLUCTUATE BETWEEN
5000 TO 6000 FEET WITH LOCAL AMOUNTS OF 1 TO 2 INCHES POSSIBLE.
ANOTHER DISTURBANCE IS FORECAST TO MOVE IN ON SUNDAY AND MONDAY
WITH HIGHER CHANCES FOR PRECIPITATION. THERE IS CURRENTLY A 65
PERCENT CHANCE FOR 0.5" RAINFALL AT MARIPOSA BY 5AM TUESDAY AND
A 35 PERCENT CHANCE FOR 1" OF RAINFALL. THE DETERMINISTIC GFS
HAS BEEN SHOWING A STRONG SYSTEM MOVING INTO CENTRAL CALIFORNIA
AROUND WEDNESDAY, APRIL 2. BUT CLUSTER ANALYSIS INDICATES LARGE
UNCERTAINTY AMONG THE ENSEMBLES.
AVIATION
LOCAL MVFR TO MOUNTAIN OBSCURING IFR CONDITIONS POSSIBLE IN
SHOWERS ACROSS THE SIERRA NEVADA AND TEHACHAPI FOOTHILLS.
WESTERLY WIND GUSTS TO 50 KTS ALONG THE MOJAVE DESERT SLOPES.
OTHERWISE, VFR CONDITIONS WILL PREVAIL.
AIR QUALITY ISSUES
NONE.
CERTAINTY
THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS MEDIUM.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS LOW.
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT
WWW.WEATHER.GOV/HNX/CERTAINTY.HTML FOR ADDITIONAL INFORMATION
AND/OR TO PROVIDE FEEDBACK.
HNX WATCHES/WARNINGS/ADVISORIES
WIND ADVISORY UNTIL 5 PM PDT SATURDAY FOR CAZ338.
WEATHER.GOV/HANFORD
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