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000
FXUS66 KHNX 182152
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
252 PM PDT SAT MAY 18 2013

.SYNOPSIS...
HIGH PRESSURE CONTINUES TO BUILD OVER THE AREA RESULTING IN CLEAR
SKIES AND A GRADUAL WARMING TREND TO ABOVE NORMAL TEMPERATURES BY
EARLY NEXT WEEK.

&&

.DISCUSSION...
A RIDGE OF HIGH PRESSURE REMAINS OVER THE EASTERN PACIFIC WHILE A
TROUGH OF LOW PRESSURE IS IN THE GREAT BASIN...LEAVING CENTRAL
CALIFORNIA IN A NORTHWESTERLY FLOW. ANOTHER SHORTWAVE DROPPING
ACROSS THE PACIFIC NORTHWEST INTO NEVADA IS PREVENTING THE RIDGE
FROM BUILDING INTO CALIFORNIA TODAY. IT IS ALSO KEEPING SFO-LAS
PRESSURE GRADIENT NEAR 12 MB THIS AFTERNOON...RESULTING IN A
CONTINUATION OF GUSTY WINDS BELOW THE TEHACHAPI PASS AND INTO THE
MOJAVE AREA. ALTHOUGH WINDS DROPPED BELOW ADVISORY CRITERIA THIS
MORNING AND EARLY AFTERNOON...EXPECT THEM TO INCREASE AGAIN BY
LATE AFTERNOON/EARLY EVENING AND CONTINUE TO BE GUSTY THROUGH THE
NIGHT. THUS THE WIND ADVISORY REMAINS IN EFFECT.

THE RIDGE WILL NUDGE EASTWARD SUNDAY AND MONDAY...WARMING
TEMPERATURES AND DECREASING THE WINDS. TEMPERATURES WILL REMAIN
ABOVE NORMAL THROUGH TUESDAY. ANOTHER TROUGH OF LOW PRESSURE WILL
DROP INTO THE PACIFIC NORTHWEST TUESDAY THEN DROP SOUTH INTO
CALIFORNIA WEDNESDAY AND REMAIN OVER THE REGION THROUGH THE
REMAINDER OF THE WEEK. THIS SYSTEM DOES NOT APPEAR TO HAVE ANY
MOISTURE SOURCE BUT WILL LIKELY BRING BREEZY TO WINDY CONDITIONS
ACROSS THE CWFA. IT WILL ALSO BRING COOLER TEMPERATURES
WEDNESDAY...WITH TEMPERATURES SLIGHT BELOW NORMAL WEDNESDAY
THROUGH FRIDAY. ALTHOUGH THERE ARE DIFFERENCES IN THE
DETAILS...THE GFS AND ECMWF ARE IN GENERAL AGREEMENT THAT A TROUGH
WILL BE HANGING AROUND THE REGION THROUGH THE MEMORIAL DAY
WEEKEND.

&&

.AVIATION...
VFR CONDITIONS WILL PREVAIL ACROSS THE CENTRAL CA INTERIOR.

&&

.AIR QUALITY ISSUES...
NONE.

&&

.CERTAINTY...

THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH.
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 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896
KFAT 05-20      102:1947     61:1921     71:1897     44:1962

KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
KBFL 05-20      103:1942     65:1923     70:2001     42:1902
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 5 AM PDT SUNDAY CAZ099.

&&

$$

PUBLIC...BEAN
AVN/FW...JEB
SYNOPSIS...WP

WEATHER.GOV/HANFORD