021
FXUS66 KHNX 301051
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
351 AM PDT SUN MAR 30 2025
KEY MESSAGES
* THERE IS A 40-80% PROBABILITY OF MEASURABLE PRECIPITATION BY
THIS EVENING ACROSS THE SAN JOAQUIN VALLEY WITH PROBABILITIES
GENERALLY DECREASING FROM NORTH TO SOUTH.
* A RETURN TO SNOW IN THE SIERRA TODAY THROUGH TUESDAY, WITH
GREATER THAN 60% PROBS FOR MORE THAN 4 INCHES OF SNOW ABOVE
6,000 FT. HIGHER ELEVATIONS COULD SEE AMOUNTS FROM 12 TO 18
INCHES.
* ADDITIONAL LIGHT PRECIPITATION IS POSSIBLE ACROSS MAINLY THE
SIERRA NEVADA WEDNESDAY THROUGH FRIDAY.
DISCUSSION
A BROAD LOW OFF THE PACIFIC NW COAST WILL CONTINUE TO USHER IN
SOME MOISTURE OVER THE NEXT COUPLE OF DAYS BEFORE EXITING.
ENSEMBLE GUIDANCE IS STRUGGLING TO FIND A SOLID FOOTING WITH
THIS SYSTEM BUT THE KEY MESSAGE ISN'T CHANGING...PRECIP IS
COMING TOMORROW INTO TUESDAY.
BY MIDWEEK THINGS GET MORE VARIANT WITH THE SYNOPTIC PATTERN
OVER THE WESTERN STATES. THE GFS ENSEMBLE DIVERGES SIGNIFICANTLY
FROM THE OTHER ENSEMBLES RESULTING IN NEARLY OPPOSITE SOLUTIONS
BY THE END OF THE WEEK. FOR THIS REASON, WILL CONTINUE THE NBM
SOLUTION.
AVIATION
PERIODS OF -SHRA ACROSS THE SAN JOAQUIN VALLEY WITH LOCAL MVFR
CONDITIONS POSSIBLE.
OVER THE SIERRA NEVADA AND KERN COUNTY MOUNTAINS, WIDESPREAD
MVFR AND AREAS OF MOUNTAIN OBSCURING IFR CONDITIONS IN CLOUDS
AND PRECIPITATION.
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 MEDIUM.
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
WINTER STORM WARNING FROM 11 PM THIS EVENING TO 11 PM PDT
TUESDAY FOR CAZ323-326-327.
WINTER WEATHER ADVISORY FROM 11 PM THIS EVENING TO 11 PM PDT
TUESDAY FOR CAZ328>331.
WEATHER.GOV/HANFORD
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