NOAA

National Weather Service Weather Forecast Office

Quad Cities, IA/IL

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA

000
FXUS66 KHNX 192202
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
302 PM PDT WED JUN 19 2013

.SYNOPSIS...
A STORM SYSTEM MOVING OVER THE PACIFIC NORTHWEST WILL BRING IN
COOLER TEMPERATURES ALONG WITH BREEZY TO GUSTY CONDITIONS THROUGH
TONIGHT. A WARMING TREND WILL BEGIN ON THURSDAY WITH TEMPERATURES
CLIMBING TO NEAR NORMAL FOR THE WEEKEND. DRY WEATHER WILL PREVAIL
OVER MUCH OF THE DISTRICT THROUGH THE PERIOD.

&&

.DISCUSSION...
AN UPPER TROUGH OVER THE WEST COAST CONTINUES TO BRING COOL AND
BREEZY CONDITIONS ACROSS CENTRAL CALIFORNIA. LITTLE AVAILABLE
MOISTURE WITH THE TROUGH RESULTING IN DRY CONDITIONS. THESE WEATHER
CONDITIONS MAY PERSIST INTO FRIDAY AS ADDITIONAL UPPER LEVEL
DISTURBANCES MAINTAIN THE TROUGH OVER THE WEST. MODERATE ONSHORE
PRESSURE GRADIENTS WILL ALSO PROVIDE WINDY CONDITIONS ACROSS THE
KERN COUNTY MOUNTAINS AND DESERT ESPECIALLY BELOW MOUNTAIN PASSES
INTO FRIDAY NIGHT. TEMPERATURES WILL BEGIN A SLOW WARMING TREND
THURSDAY. HOWEVER TEMPERATURES MAY ONLY APPROACH NORMAL LEVELS BY
THE WEEKEND. MEDIUM RANGE MODELS IN FAIR AGREEMENT INDICATING
ANOTHER UPPER LOW WILL MOVE INTO THE WEST COAST SUNDAY. THIS WILL
INCREASE THE ONSHORE FLOW BRINGING COOLER MARINE AIR AND STRONGER
WINDS ACROSS MUCH OF THE DISTRICT. A FAST WEST FLOW SETS UP MONDAY
OVER NORTH CALIFORNIA AS A DEEP UPPER LOW BECOMES ANCHORED OFF THE
PACIFIC NORTHWEST COAST. MODELS PROG A SURGE OF SUBTROPICAL
MOISTURE WITH THE WEST FLOW OVER NORTH CA MONDAY AND TUESDAY. THE
AXIS OF THE HIGH PW REMAINS JUST NORTH OF CENTRAL CA. HOWEVER WILL
NEED BE WATCH CLOSELY FOR SWD EXTENSION IN LATER MODEL RUNS.


NOTE...SUMMER BEGINS ON JUNE 20TH AT 2204 PDT.




&&

.AVIATION...
WIND GUSTS OF 35 KNOTS OR GREATER CAN BE EXPECTED THROUGH AND
BELOW THE KERN COUNTY MOUNTAIN PASSES UNTIL 12Z THURSDAY.
OTHERWISE...VFR CONDITIONS WILL PREVAIL THROUGHOUT THE CENTRAL
CALIFORNIA 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 06-19      106:1962     72:1897     75:1918     51:1893
KFAT 06-20      110:1920     78:1897     75:1918     50:1908
KFAT 06-21      110:2008     77:1944     75:2008     51:1912

KBFL 06-19      107:1947     75:1923     75:1988     43:1913
KBFL 06-20      113:1920     82:1944     79:1981     47:1913
KBFL 06-21      110:2008     75:1944     77:1981     46:1907
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 5 AM PDT THURSDAY CAZ095-098-099.

&&

$$

PUBLIC...MV
AVN/FW...DURFEE
SYNOPSIS...ANDERSEN

WEATHER.GOV/HANFORD