Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA

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FXUS66 KHNX 292038
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
138 PM PDT FRI MAY 29 2015

.SYNOPSIS...
HIGH PRESSURE WILL BUILD OVER THE REGION THIS WEEK WITH A WARMING
TREND CONTINUING THROUGH SATURDAY. TEMPERATURES WILL RETURN TO NEAR
NORMAL READINGS BY EARLY NEXT WEEK AS A TROUGH OF LOW PRESSURE
APPROACHES THE WEST COAST.

&&

.DISCUSSION...
A WARMING TREND IS UNDERWAY ACROSS CENTRAL CALIFORNIA WITH
TEMPERATURES RUNNING UP 3-6 DEGREES FROM 24 HOURS AGO.
TEMPERATURES ARE EXPECTED TO CONTINUE TO WARM SATURDAY AS RIDGE OF
HIGH PRESSURE SHIFTS EAST OVER THE REGION. TEMPERATURES SATURDAY
WILL BE IN THE MID 90S TO 100 DEGREES ACROSS THE SAN JOAQUIN
VALLEY...SIERRA FOOTHILLS...AND KERN COUNTY DESERT AREAS. THESE
TEMPERATURES ARE 5-8 DEGREES ABOVE NORMAL FOR THE END OF MAY. THE
SIERRA NEVADA WILL LIKELY SEE TEMPERATURES IN THE 70S TO LOW 80S.

A COOLING TREND BEGINS SUNDAY AS THE RIDGE AXIS SHIFTS EAST OF
THE REGION AND AN UPPER TROUGH MOVES TOWARD THE PACIFIC NORTHWEST
AND THE CALIFORNIA COASTLINE. SUBTLE COOLING WILL BE OBSERVED ON
SUNDAY WITH TEMPERATURES FALLING BETWEEN 2 AND 4 DEGREES. THE
COOLING WILL BECOME MORE NOTICEABLE ON MONDAY AS TEMPERATURES FALL
ANOTHER 5 AND 8 DEGREES WITH SAN JOAQUIN VALLEY...FOOTHILL...AND
DESERT LOCATIONS IN THE MID 80S TO LOW 90S...NEAR NORMAL FOR THE
FIRST DAY OF JUNE.

LITTLE CHANGE IN THE WEATHER PATTERN IS EXPECTED FOR CENTRAL
CALIFORNIA INTO AT LEAST THE MIDDLE OF THE NEXT WEEK WITH ZONAL
FLOW ALLOWING FOR STABLE TEMPERATURES AND DRY WEATHER CONDITIONS.


&&

.AVIATION...
VFR CONDITIONS EXPECTED ACROSS THE CENTRAL CALIFORNIA INTERIOR
DURING THE NEXT 24 HOURS. MVFR CLOUDS MAY DEVELOP OVER THE SIERRA
CREST WITH A FEW SHOWERS POSSIBLE UNTIL 03Z SAT.

&&

.AIR QUALITY ISSUES...
ON SATURDAY MAY 30 2015... UNHEALTHY FOR SENSITIVE GROUPS IN
FRESNO AND KERN COUNTIES AND SEQUOIA NATIONAL PARK AND FOREST.
FURTHER INFORMATION IS AVAILABLE AT VALLEYAIR.ORG

&&

.CERTAINTY...

THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS HIGH.

THIS INFORMATION IS PROVIDED AS PART OF A TRIAL PROJECT CONDUCTED
BY THE NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD.
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT
WWW.WEATHER.GOV/HNX/CERTAINTY.PHP /ALL LOWER CASE/ FOR ADDITIONAL
INFORMATION AND/OR TO PROVIDE FEEDBACK.

&&

.CLIMATE...
             RECORDS
SITE DATE    HI_MAX:YEAR LO_MAX:YEAR HI_MIN:YEAR LO_MIN:YEAR

KFAT 05-29      107:1984     61:1996     72:1939     45:1906
KFAT 05-30      109:1910     64:1948     76:1984     45:1988
KFAT 05-31      110:1910     68:1971     72:1910     46:1923

KBFL 05-29      106:1973     70:2011     75:1973     45:1927
KBFL 05-30      108:1910     71:1906     74:1973     41:1906
KBFL 05-31      110:1910     70:1967     76:2002     44:1923
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

PUBLIC...BEAN
AVN/FW...BEAN
SYNOPSIS...DUDLEY

WEATHER.GOV/HANFORD


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