Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA

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FXUS66 KHNX 262025 CCA
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
ISSUED BY NATIONAL WEATHER SERVICE SACRAMENTO CA
121 PM PDT SUN JUN 26 2016

.SYNOPSIS...
TEMPERATURES ABOVE NORMAL AND MOSTLY DRY WEATHER WILL CONTINUE
ACROSS CENTRAL CALIFORNIA THROUGH THE MIDDLE OF THIS WEEK WITH THE
EXCEPTION OF THE THREAT OF THUNDERSTORMS NEAR THE CREST STARTING
TUESDAY.

&&

DISCUSSION... UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUES TO
BUILD BACK OVER THE AREA AFTER A BRIEF RESPITE OF WIDESPREAD
TRIPLE DIGITS IN THE KERN COUNTY DESERT AND THE SAN JOAQUIN
VALLEY. HOWEVER WE ARE GOING TO SEE SOME OF THE HOTTEST TEMPS SO
FAR THIS YEAR AS THE RIDGE BUILDS BACK IN OVER US THROUGH FRIDAY.

WE ARE EXPECTED TO CROSS THE CENTURY MARK ONCE AGAIN TODAY AND
CONTINUE TO CLIMB THROUGH THE WEEK. TUESDAY LOOKS TO BE THE
HOTTEST DAY BEFORE THE RIDGE FLATTENS OUT WEDNESDAY AND CONTINUES
THROUGH FRIDAY. WE COULD SEE HEAT IMPACT LEVELS APPROACHING
CRITICAL LEVELS IN THE KERN COUNTY DESERT ON TUESDAY. WE WILL
MONITOR THE HEAT SITUATION VERY CLOSELY.

WINDS WILL BECOME LESS GUSTY AS THE RIDGE BUILDS IN OVER US.
HOWEVER AIR QUALITY MAY BECOME AN ISSUE WITH SURROUNDING FIRES
AND STAGNANT AIR MASS OVER US THIS WEEK.

SURROUNDING OFFICES AS WELL AS NEW FORECAST GUIDANCE IS INDICATING
THAT AFTERNOON AND EVENING CONVECTION WILL BE POSSIBLE ACROSS THE
HIGH COUNTRY OF THE SIERRA NEVADA TUESDAY THROUGH THURSDAY IN
ASSOCIATION WITH A WEAK MONSOON PUSH MOVING THROUGH NV AROUND THE
PERIPHERY OF THE UPPER RIDGE AS IT STARTS TO BREAK DOWN AND DRIFT
EAST.

UPPER LEVEL RIDGE CENTER WILL DRIFT INTO WEST TEXAS BY SATURDAY AS
ONSHORE FLOW RETURNS TO THE REGION WITH MARINE COOLED AIR TRYING
TO COOL THINGS OFF IN THE SJV. WE ARE FORECASTING TEMPS TO DROP
BELOW THE CENTURY MARK ON SATURDAY IN THE SJV.

&&

.AVIATION...
SMOKE FROM THE ERSKINE WILDFIRE CAUSING REDUCED VISIBILITIES IN THE
VICINITY OF LAKE ISABELLA. OTHERWISE, VFR CONDITIONS WILL PREVAIL
THROUGHOUT THE CENTRAL CALIFORNIA INTERIOR DURING THE NEXT 24 HOURS.

&&

.AIR QUALITY ISSUES...
ON SUNDAY JUNE 26 2016... UNHEALTHY IN FRESNO... KERN... KINGS AND
TULARE COUNTIES AND SEQUOIA NATIONAL PARK AND FOREST. UNHEALTHY
FOR SENSITIVE GROUPS IN MADERA AND MERCED COUNTIES.
FURTHER INFORMATION IS AVAILABLE AT VALLEYAIR.ORG

&&

.CERTAINTY...

THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS LOW.
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.PHP FOR ADDITIONAL INFORMATION
AN/OR TO PROVIDE FEEDBACK.

&&

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

$$


WEATHER.GOV/HANFORD



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