Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA

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000
FXUS66 KHNX 041001
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
301 AM PDT SAT JUL 4 2015

.SYNOPSIS...
SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE OVER THE
HIGH COUNTRY OF THE SOUTHERN SIERRA NEVADA THROUGH THE WEEKEND.
TEMPERATURES WILL REMAIN SEASONABLY WARM DURING THE NEXT FEW DAYS.

&&

.DISCUSSION...A NEARLY STAGNANT WEATHER PATTERN WILL REMAIN IN
PLACE OVER CENTRAL CALIFORNIA THROUGH THE WEEKEND AS AN UPPER LOW
SITS WELL OFF THE CENTRAL CALIFORNIA COASTLINE WHILE UPPER LEVEL
HIGH PRESSURE DOMINATES THE FOUR CORNERS REGION. DAYTIME HIGH
TEMPERATURES OVER THE WEEKEND WILL BE AROUND 5 DEGREES ABOVE
NORMAL WITH SAN JOAQUIN VALLEY...FOOTHILL...AND DESERT LOCATIONS
WARMING TO THE UPPER 90S TO JUST OVER 100 DEGREES.

AFTERNOON AND EARLY EVENING THUNDERSTORMS WILL BE POSSIBLE OVER
THE SIERRA NEVADA EACH DAY THROUGH THE WEEKEND. THE BEST CHANCE
FOR SHOWERS AND THUNDERSTORMS LOOKS TO BE ON THE EAST SIDE OF THE
CREST...HOWEVER A FEW STORMS MAY DEVELOP AS THE SHORT TERM MODELS
ARE INDICATING CAPE VALUES IN EXCESS OF 1000 J/KG.

A COOLING TREND WILL TAKE PLACE OVER CENTRAL CALIFORNIA MONDAY
THROUGH THE END OF THE WORK WEEK AS THE UPPER LOW OFF THE CENTRAL
CALIFORNIA COASTLINE SHIFTS SLOWLY EAST EACH DAY INTO FRIDAY
BEFORE IT LIFTS NORTHEAST INTO NORTHERN CALIFORNIA AND OREGON.
DAYTIME HIGH TEMPERATURES WILL FALL A FEW DEGREES EACH DAY. BY
THURSDAY...TEMPERATURES WILL ACTUALLY BE BETWEEN 2 AND 4 DEGREES
BELOW NORMAL FOR THE MIDDLE OF JULY...WITH SAN JOAQUIN VALLEY
READINGS IN THE LOW TO MID 90S.

ADDITIONALLY...AS THE UPPER LOW SHIFT EAST EACH DAY...THE
THUNDERSTORMS CHANCES OVER THE SIERRA CREST BEGIN TO DIMINISH AND
WILL MAINLY REMAIN CONFINED TO THE HIGHEST ELEVATIONS. BY
FRIDAY...AS THE UPPER LOW MOVES ONSHORE...CHANCES ARE ELIMINATED
AS ALL MID LEVEL MOISTURE IS PUSHED EAST.

&&

.AVIATION...
MVFR CEILING POSSIBLE IN SCATTERED SHOWERS AND THUNDERSTORMS OVER
THE SOUTHERN SIERRA NEVADA BETWEEN 20Z TODAY AND 04Z SUNDAY.
ELSEWHERE...VFR CONDITIONS WILL PREVAIL THROUGHOUT THE CENTRAL
CALIFORNIA INTERIOR DURING THE NEXT 24 HOURS.

&&

.AIR QUALITY ISSUES...
ON SATURDAY JULY 4 2015... UNHEALTHY FOR SENSITIVE GROUPS IN
FRESNO... KERN... KINGS... MADERA AND TULARE 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 MEDIUM.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM.

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 07-04      112:1889     79:1955     81:2001     51:1951
KFAT 07-05      112:1991     77:1909     77:1991     52:1948
KFAT 07-06      111:2007     83:1903     78:2007     50:1955

KBFL 07-04      114:1931     82:1955     81:2001     49:1913
KBFL 07-05      114:1931     80:1961     81:1970     53:1948
KBFL 07-06      116:1913     85:1955     81:2011     52:1915
&&

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

$$

PUBLIC...RILEY
AVN/FW...SANGER
SYNOPSIS...SANGER

WEATHER.GOV/HANFORD



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