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000
FXUS66 KHNX 190942
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
242 AM PDT SUN MAY 19 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...
SEASONAL TEMPERATURES WILL CONTINUE ONE MORE DAY AS STRONG NW
FLOW CONTINUES OVER THE REGION. THIS IS ALSO PROVIDING WINDY
CONDITIONS BELOW THE TEHACHAPI PASS AND INTO MOJAVE. WE ARE
CURRENTLY KEEPING A WIND ADV UP THROUGH 5 AM AND WE EXPECT THE
WINDS TO START TO DIE OFF AS THE UPPER RIDGE BUILDS INTO THE
REGION TODAY WITH LIGHTER WINDS AND WARMER TEMPS. WE WILL SEE A
BIT OF A GRADIENT AS THE RIDGE WILL IMPACT VALLEY WINDS NEAR MCE
THIS AFTERNOON.

MODELS ARE STILL IN AGREEMENT WITH KEEPING TEMPS SLIGHTLY ABOVE
NORMAL THROUGH TUESDAY BEFORE A DIGGING TROUGH OF LOW PRESSURE
WILL MOVE INTO THE REGION AND COOL THINGS DOWN AGAIN LATE IN THE
WEEK. WE WILL ALSO SEE A RETURN OF GUSTY WINDS ACROSS THE SJV AND
INTO THE KERN DESERT AND BELOW THE PASSES. THIS SYSTEM WILL BE
SLOW TO MOVE OUT AS THE MAIN CENTER OF LOW PRESSURE WILL REMAIN
OVER THE PAC NW AS AN OMEGA BLOCKING PATTERN SETS UP OVER THE US
THURSDAY AND FRIDAY. CLOSED LOW CENTER OVER THE PAC NW WILL KEEP
ONSHORE FLOW OVER THE REGION WITH SEASONAL TEMPERATURES AND DRY
CONDITIONS INTO THE HOLIDAY 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 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 05-19      103:2008     63:1972     70:2009     42:1896
KFAT 05-20      102:1947     61:1921     71:1897     44:1962
KFAT 05-21      104:1892     56:1933     69:2001     42:1975

KBFL 05-19      101:1954     65:1916     73:1979     38:1893
KBFL 05-20      103:1942     65:1923     70:2001     42:1902
KBFL 05-21      103:1988     65:1903     71:2001     42:1902
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING UNTIL 5 AM PDT EARLY THIS MORNING CAZ095-099.

&&

$$

PUBLIC...JDB
AVN/FW...DS
SYNOPSIS...JDB

WEATHER.GOV/HANFORD











000
FXUS66 KHNX 190422
AFDHNX

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

.UPDATE...WINDS HAVE BEEN STRONGER THIS EVENING OVER THE KERN
COUNTY MOUNTAINS AND IMMEDIATE DESERT LOCATIONS. HAVE REPLACED THE
WIND ADVISORY WITH A HIGH WIND WARNING.

&&

.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...WINDS HAVE BEEN GUSTING TO OVER 60 MPH AT MOJAVE
THIS EVENING AND HIGH RESOLUTION RAPID REFRESH HOURLY MODELING
PROJECTS WIND SPEEDS TO CONTINUE FOR THE NEXT SEVERAL HOURS. GRIDS
HAVE BEEN UPDATED. NO OTHER CHANGES.


&&W

.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 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 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...
HIGH WIND WARNING UNTIL 5 AM PDT SUNDAY CAZ095-099.

&&

$$

PUBLIC...DUDLEY
AVN/FW...JEB
PREV DISCUSSION...BEAN
SYNOPSIS...WP

WEATHER.GOV/HANFORD









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









000
FXUS66 KHNX 181001
AFDHNX

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

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. A GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES IS EXPECTED BY EARLY NEXT WEEK BEFORE ANOTHER SYSTEM
MOVES THROUGH TO COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.DISCUSSION...
GRADIENTS HAVE STAYED UP ACROSS THE REGION WITH LOCALIZED GUSTY
CONDITIONS JUST BELOW THE TEHACHAPI PASS AND AROUND MOJAVE. WE
HAVE EXTENDED THE WIND ADV UNTIL SUNDAY AM. THERE WILL BE A LULL
THIS AM AND THEN WE ARE EXPECTING THE WINDS TO PICK UP ONCE AGAIN
THIS AFTERNOON AND EVENING. TEMPS WERE UP A FEW DEGREES YESTERDAY
AND WE ARE EXPECTING THE SAME TODAY AS CLEAR SKIES AND NW FLOW
ALOFT WILL CONTINUE.

THE TROUGH IS SLOW TO MOVE EAST AND ANOTHER WEAK S/W WILL DROP
INTO THE PAC NW LATE TONIGHT AND INTO SUN THAT WILL SLOW DOWN THE
WARM UP EVEN MORE AS H5 HEIGHTS AND H850 TEMPS REMAIN STEADY
THROUGH MONDAY. WE WILL SEE TEMPS ONCE AGAIN RISE ABOVE NORMAL
MON AND TUESDAY. ANOTHER TROUGH OF LOW PRESSURE IS FORECAST TO
SWEEP INTO THE REGION ON WED AND APPEARS TO BE DRY AND WE CONTINUE
TO LEAVE THE FA DRY FOR NOW. HOWEVER THIS SYSTEM LOOKS TO BE
ANOTHER WIND EVENT FOR THE AREA AND HAVE INCREASED WINDS ON
THURSDAY AND POSSIBLY EVEN INT FRIDAY. WE WILL SEE SEASONAL
TEMPERATURES RETURN ONCE AGAIN TO THE REGION AND CONTINUE THROUGH
NEXT 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 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 05-18      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...JDB
AVN/FW...DS
SYNOPSIS...JDB

WEATHER.GOV/HANFORD









000
FXUS66 KHNX 180455
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
955 PM PDT FRI MAY 17 2013

.UPDATE...THE WIND ADVISORY WILL CONTINUE IN THE KERN COUNTY
DESERT IN THE MOJAVE AREA UNTIL MIDNIGHT TONIGHT AS SURFACE
PRESSURE GRADIENTS REMAIN STEADY. WINDY CONDITIONS ARE EXPECTED TO
CONTINUE WITH LOCAL GUSTS AROUND 50 MPH NEAR AND JUST ABOVE
MOJAVE ALONG HWY 58.

A RELATIVELY COOL EVENING IS IN STORE FOR TONIGHT ACROSS THE
CENTRAL CA INTERIOR. EXPECT DRY CONDITIONS AND TEMPERATURES TO
GRADUALLY BEGIN TO WARM THIS WEEKEND AND EARLY NEXT WEEK AS HIGH
PRESSURE WORKS ITS WAY INLAND.

&&

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. A GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES IS EXPECTED BY EARLY NEXT WEEK BEFORE ANOTHER SYSTEM
MOVES THROUGH TO COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.PREV DISCUSSION...THE TROUGH OF LOW PRESSURE CONTINUES TO MOVE EAST
OF THE CWFA. BREEZY CONDITIONS CONTINUE ACROSS THE REGION IN THE
WAKE OF THE TROUGH...ESPECIALLY BELOW THE MOUNTAIN PASSES IN KERN
COUNTY WHERE WINDS HAVE GUSTED TO NEAR 45 MPH AT TIMES IN THE
VICINITY OF MOJAVE.

PLENTY OF CLOUDS HAVE LINGERED OVER THE SIERRA TODAY. NO SHOWER
ACTIVITY YET THIS AFTERNOON...BUT A SLIGHT CHANCE OF SHOWERS
REMAINS THROUGH THE EARLY EVENING. OTHERWISE EXPECT SKIES TO
GRADUALLY CLEAR OVER THE MOUNTAINS TONIGHT WITH MOSTLY CLEAR SKIES
ELSEWHERE.

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION OVER THE
WEEKEND. THIS WILL BRING A WARMING TREND THROUGH MONDAY.
TEMPERATURES THAT ARE SLIGHTLY BELOW NORMAL TODAY WILL WARM BACK
INTO THE LOWER 90S IN THE SAN JOAQUIN VALLEY ON MONDAY.
HOWEVER...THE WARM-UP WILL BE SHORT-LIVED AS A LOW PRESSURE SYSTEM
BEGINS TO AFFECT THE REGION BY THE MIDDLE OF NEXT WEEK. THE LOW
WILL MOVE INTO THE PACIFIC NORTHWEST TUESDAY...WEAKENING THE RIDGE
OVER CALIFORNIA AND INCREASING WINDS. THE TROUGH OF LOW PRESSURE
WILL TAKE UP RESIDENCE ALONG THE WEST COAST FOR THE REMAINDER OF
NEXT WEEK. THIS WILL RESULT IN TEMPERATURES COOLING NEARLY 10
DEGREES FROM TUESDAY TO WEDNESDAY AND THEN REMAINING COOL FOR THE
REMAINDER OF THE WEEK. THERE IS NOT MUCH MOISTURE WITH THIS
SYSTEM...SO NO PRECIPITATION IS EXPECTED ACROSS CENTRAL
CALIFORNIA.

THE 12Z ECMWF BEGINS TO LIFT THE LOW NORTHEAST AND OUT OF
CALIFORNIA EARLY IN THE MEMORIAL DAY WEEKEND WHICH WOULD ALLOW
TEMPERATURES TO BEGIN A SLOW WARMUP AGAIN. HOWEVER THE GFS HOLDS
THE TROUGH BACK OVER CALIFORNIA THROUGH MOST OF THE WEEKEND WHICH
WOULD KEEP TEMPERATURES ON THE COOL SIDE.

&&

.AVIATION...
SFC WINDS GUSTING TO 40 KNOTS OVER THE TEHACHAPI MTNS THROUGH 07Z
SATURDAY. OTHERWISE...VFR CONDITIONS WILL PREVAIL ACROSS 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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL MIDNIGHT PDT TONIGHT CAZ099.

&&

$$

PUBLIC...BSO
AVN/FW...MOLINA
PREV DISCUSSION...BEAN
SYNOPSIS...BSO

WEATHER.GOV/HANFORD










000
FXUS66 KHNX 172136
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
236 PM PDT FRI MAY 17 2013

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. ISOLATED SHOWERS ARE POSSIBLE OVER THE HIGH
COUNTRY OF THE SIERRA TODAY. GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES EARLY NEXT WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH TO
COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.DISCUSSION...
THE TROUGH OF LOW PRESSURE CONTINUES TO MOVE EAST OF THE CWFA THIS
AFTERNOON. BREEZY CONDITIONS CONTINUE ACROSS THE REGION IN THE
WAKE OF THE TROUGH...ESPECIALLY BELOW THE MOUNTAIN PASSES IN KERN
COUNTY WHERE WINDS HAVE GUSTED TO NEAR 45 MPH AT TIMES IN THE
VICINITY OF MOJAVE. A WIND ADVISORY REMAINS IN PLACE FOR THE
MOJAVE AREA THROUGH 10 PM.

PLENTY OF CLOUDS HAVE LINGERED OVER THE SIERRA TODAY. NO SHOWER
ACTIVITY YET THIS AFTERNOON...BUT A SLIGHT CHANCE OF SHOWERS
REMAINS THROUGH THE EARLY EVENING. OTHERWISE EXPECT SKIES TO
GRADUALLY CLEAR OVER THE MOUNTAINS TONIGHT WITH MOSTLY CLEAR SKIES
ELSEWHERE.

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION OVER THE
WEEKEND. THIS WILL BRING A WARMING TREND THROUGH MONDAY.
TEMPERATURES THAT ARE SLIGHTLY BELOW NORMAL TODAY WILL WARM BACK
INTO THE LOWER 90S IN THE SAN JOAQUIN VALLEY ON MONDAY.
HOWEVER...THE WARM-UP WILL BE SHORT-LIVED AS A LOW PRESSURE SYSTEM
BEGINS TO AFFECT THE REGION BY THE MIDDLE OF NEXT WEEK. THE LOW
WILL MOVE INTO THE PACIFIC NORTHWEST TUESDAY...WEAKENING THE RIDGE
OVER CALIFORNIA AND INCREASING WINDS. THE TROUGH OF LOW PRESSURE
WILL TAKE UP RESIDENCE ALONG THE WEST COAST FOR THE REMAINDER OF
NEXT WEEK. THIS WILL RESULT IN TEMPERATURES COOLING NEARLY 10
DEGREES FROM TUESDAY TO WEDNESDAY AND THEN REMAINING COOL FOR THE
REMAINDER OF THE WEEK. THERE IS NOT MUCH MOISTURE WITH THIS
SYSTEM...SO NO PRECIPITATION IS EXPECTED ACROSS CENTRAL
CALIFORNIA.

THE 12Z ECMWF BEGINS TO LIFT THE LOW NORTHEAST AND OUT OF
CALIFORNIA EARLY IN THE MEMORIAL DAY WEEKEND WHICH WOULD ALLOW
TEMPERATURES TO BEGIN A SLOW WARMUP AGAIN. HOWEVER THE GFS HOLDS
THE TROUGH BACK OVER CALIFORNIA THROUGH MOST OF THE WEEKEND WHICH
WOULD KEEP TEMPERATURES ON THE COOL SIDE.


&&

.AVIATION...
LOCAL MVFR CEILINGS CAN BE EXPECTED ALONG THE WEST SLOPES OF
THE SIERRA NEVADA UNTIL 03Z SATURDAY. OTHERWISE...VFR CONDITIONS
WILL PREVAIL ACROSS 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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 10 PM PDT THIS EVENING CAZ099.

&&

$$

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

WEATHER.GOV/HANFORD









000
FXUS66 KHNX 172006
AFDHNX

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
105 PM PDT FRI MAY 17 2013


&&

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. ISOLATED SHOWERS ARE POSSIBLE OVER THE HIGH
COUNTRY OF THE SIERRA TODAY. GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES EARLY NEXT WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH TO
COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.DISCUSSION...
WINDS NEAR MOJAVE STILL FLIRTING WITH WIND ADVISORY THIS MORNING.
NEW GUIDANCE INDICATING THESE WINDS WILL LIKELY CONTINUE TO BE
GUSTY BELOW THE TEHACHAPI PASS THROUGH THIS EVENING. SINCE THIS
IS A BUSY TRAFFIC CORRIDOR...HAVE ISSUED A WIND ADVISORY FOR THIS
AREA THROUGH THIS EVENING FOR GUSTS AROUND 45 MPH.



&&

.AVIATION...
LOCAL MVFR CEILINGS CAN BE EXPECTED ALONG THE WEST SLOPES OF
THE SIERRA NEVADA UNTIL 03Z SATURDAY. OTHERWISE...VFR CONDITIONS
WILL PREVAIL ACROSS THE CENTRAL CALIFORNIA INTERIOR.

&&

.PREV DISC... /ISSUED 934 AM PDT FRI MAY 17 2013/

DISCUSSION...
THE TROUGH AXIS IS SHIFTING EAST THIS MORNING. SOME CLOUDS REMAIN
OVER THE MOUNTAINS AND THE SOUTH END OF THE SAN JOAQUIN
VALLEY...OTHERWISE THE REST OF THE CWFA IS CLEAR. SOME CUMULUS MAY
DEVELOP IN THE VALLEY LATER THIS MORNING...BUT NOT AS MUCH AS THE
FORECAST INDICATED...SO ADJUSTED SKY COVER DOWN TO BETTER DEPICT
WHAT IS HAPPENING. THERE IS STILL ENOUGH LINGERING INSTABILITY IN
THE SIERRA TO KEEP A SLIGHT CHANCE OF SHOWERS TODAY...BUT REMOVED
POPS FROM THE FOOTHILLS AND KERN COUNTY MOUNTAINS. WILL STILL HAVE
SOME BREEZY CONDITIONS TODAY ON THE BACK SIDE OF THE TROUGH...BUT
WILL STAY BELOW ADVISORY LEVELS. THE ONLY EXCEPTION IS AT MOJAVE
THIS MORNING WHERE WINDS HAVE BEEN GUSTING TO NEAR 45 MPH. DO NOT
EXPECT THE WINDS TO GET ANY STRONGER IN THIS AREA TODAY.

TODAY WILL BE ANOTHER COOL DAY WITH TEMPERATURES A FEW DEGREES
BELOW NORMAL. WARMING BEGINS AGAIN SATURDAY WITH SAN JOAQUIN
VALLEY TEMPERATURES CLIMBING BACK INTO THE 90S MONDAY AS HIGH
PRESSURE BUILDS BACK INTO THE REGION.

&&

.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 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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 10 PM PDT THIS EVENING CAZ099.

&&

$$

PUBLIC...BEAN
AVN/FW...DURFEE
PREV DISCUSSION...JDB
SYNOPSIS...ANDERSEN

WEATHER.GOV/HANFORD












000
FXUS66 KHNX 171712
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
1012 AM PDT FRI MAY 17 2013

.UPDATE...ISSUED WIND ADVISORY FOR THE VICINITY OF MOJAVE.

&&

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. ISOLATED SHOWERS ARE POSSIBLE OVER THE HIGH
COUNTRY OF THE SIERRA TODAY. GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES EARLY NEXT WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH TO
COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.DISCUSSION...
WINDS NEAR MOJAVE STILL FLIRTING WITH WIND ADVISORY THIS MORNING.
NEW GUIDANCE INDICATING THESE WINDS WILL LIKELY CONTINUE TO BE
GUSTY BELOW THE TEHACHAPI PASS THROUGH THIS EVENING. SINCE THIS
IS A BUSY TRAFFIC CORRIDOR...HAVE ISSUED A WIND ADVISORY FOR THIS
AREA THROUGH THIS EVENING FOR GUSTS AROUND 45 MPH.



&&

.AVIATION...
LOCAL MVFR CEILINGS CAN BE EXPECTED ALONG THE WEST SLOPES OF
THE SIERRA NEVADA AND THE TEHACHAPI MOUNTAINS UNTIL 03Z SATURDAY.
OTHERWISE...VFR CONDITIONS WILL PREVAIL ACROSS THE CENTRAL CA
INTERIOR.

&&

.PREV DISC... /ISSUED 934 AM PDT FRI MAY 17 2013/

DISCUSSION...
THE TROUGH AXIS IS SHIFTING EAST THIS MORNING. SOME CLOUDS REMAIN
OVER THE MOUNTAINS AND THE SOUTH END OF THE SAN JOAQUIN
VALLEY...OTHERWISE THE REST OF THE CWFA IS CLEAR. SOME CUMULUS MAY
DEVELOP IN THE VALLEY LATER THIS MORNING...BUT NOT AS MUCH AS THE
FORECAST INDICATED...SO ADJUSTED SKY COVER DOWN TO BETTER DEPICT
WHAT IS HAPPENING. THERE IS STILL ENOUGH LINGERING INSTABILITY IN
THE SIERRA TO KEEP A SLIGHT CHANCE OF SHOWERS TODAY...BUT REMOVED
POPS FROM THE FOOTHILLS AND KERN COUNTY MOUNTAINS. WILL STILL HAVE
SOME BREEZY CONDITIONS TODAY ON THE BACK SIDE OF THE TROUGH...BUT
WILL STAY BELOW ADVISORY LEVELS. THE ONLY EXCEPTION IS AT MOJAVE
THIS MORNING WHERE WINDS HAVE BEEN GUSTING TO NEAR 45 MPH. DO NOT
EXPECT THE WINDS TO GET ANY STRONGER IN THIS AREA TODAY.

TODAY WILL BE ANOTHER COOL DAY WITH TEMPERATURES A FEW DEGREES
BELOW NORMAL. WARMING BEGINS AGAIN SATURDAY WITH SAN JOAQUIN
VALLEY TEMPERATURES CLIMBING BACK INTO THE 90S MONDAY AS HIGH
PRESSURE BUILDS BACK INTO THE REGION.

&&

.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 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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 10 PM PDT THIS EVENING CAZ099.

&&

$$

PUBLIC...BEAN
AVN/FW...DURFEE
PREV DISCUSSION...JDB
SYNOPSIS...ANDERSEN

WEATHER.GOV/HANFORD









000
FXUS66 KHNX 171634
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
934 AM PDT FRI MAY 17 2013

.UPDATE...ADJUSTED POPS AND SKY COVER FOR TODAY AND TONIGHT.

&&

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. ISOLATED SHOWERS ARE POSSIBLE OVER THE HIGH
COUNTRY OF THE SIERRA TODAY. GRADUAL WARMING TREND TO ABOVE NORMAL
TEMPERATURES EARLY NEXT WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH TO
COOL US DOWN AGAIN IN THE MIDDLE OF NEXT WEEK.

&&

.DISCUSSION...
THE TROUGH AXIS IS SHIFTING EAST THIS MORNING. SOME CLOUDS REMAIN
OVER THE MOUNTAINS AND THE SOUTH END OF THE SAN JOAQUIN
VALLEY...OTHERWISE THE REST OF THE CWFA IS CLEAR. SOME CUMULUS MAY
DEVELOP IN THE VALLEY LATER THIS MORNING...BUT NOT AS MUCH AS THE
FORECAST INDICATED...SO ADJUSTED SKY COVER DOWN TO BETTER DEPICT
WHAT IS HAPPENING. THERE IS STILL ENOUGH LINGERING INSTABILITY IN
THE SIERRA TO KEEP A SLIGHT CHANCE OF SHOWERS TODAY...BUT REMOVED
POPS FROM THE FOOTHILLS AND KERN COUNTY MOUNTAINS. WILL STILL HAVE
SOME BREEZY CONDITIONS TODAY ON THE BACK SIDE OF THE TROUGH...BUT
WILL STAY BELOW ADVISORY LEVELS. THE ONLY EXCEPTION IS AT MOJAVE
THIS MORNING WHERE WINDS HAVE BEEN GUSTING TO NEAR 45 MPH. DO NOT
EXPECT THE WINDS TO GET ANY STRONGER IN THIS AREA TODAY.

TODAY WILL BE ANOTHER COOL DAY WITH TEMPERATURES A FEW DEGREES
BELOW NORMAL. WARMING BEGINS AGAIN SATURDAY WITH SAN JOAQUIN
VALLEY TEMPERATURES CLIMBING BACK INTO THE 90S MONDAY AS HIGH
PRESSURE BUILDS BACK INTO THE REGION.


&&

.AVIATION...
LOCAL MVFR CEILINGS CAN BE EXPECTED ALONG THE WEST SLOPES OF
THE SIERRA NEVADA AND THE TEHACHAPI MOUNTAINS UNTIL 03Z SATURDAY.
OTHERWISE...VFR CONDITIONS WILL PREVAIL ACROSS THE CENTRAL CA
INTERIOR.

&&

.PREV DISC... /ISSUED 255 AM PDT FRI MAY 17 2013/

DISCUSSION...
FRONT HAS MOVED THROUGH THE REGION AND COOLER AIR HAS MOVED IN.
TEMPS YESTERDAY WERE SOME 15 TO 20 DEGREES COOLER THAN THE DAY
BEFORE. WE WILL CONTINUE TO SEE BELOW NORMAL TEMPS AGAIN TODAY
WITH SOME CLOUD COVER ALONG THE EAST AND SOUTH END OF THE VALLEY
AND ACROSS THE SIERRA. WE MAY EVEN SEE AN ISOLATED SHOWER OVER THE
HIGH COUNTRY OF THE SIERRA THIS AFTERNOON AS THE UPPER LEVEL
SYSTEM MOVES THROUGH WITH COLD AIR ALOFT. LAPSE RATES ARE NOT
IMPRESSIVE ENOUGH TO SUPPORT THUNDER IN THE SIERRA TODAY AS WE ARE
ONLY LOOKING FOR A SHOWER OR TWO AND POSSIBLE FLURRY ALONG THE
CREST WITH LITTLE OR NO ACCUM POSSIBLE AS MOISTURE IS VERY
LIMITED. SNOW LEVELS ARE EXPECTED TO BE ABOVE 8000 FEET TODAY.

EPAC SFC HIGH PRESSURE RIDGE WILL BUILD IN FROM THE WEST OVER THE
WEEKEND WITH A GRADUAL WARMING TREND TO AROUND NORMAL TEMPERATURES
FOR THIS TIME OF THE YEAR ON SATURDAY. SUNDAY THROUGH TUESDAY
WILL BE WARM AGAIN WITH THE WARMEST DAY ON MONDAY. SOME AREAS IN
THE SJV AND KERN DESERT WILL BE BACK INTO THE LOWER 90S. IT WILL
BECOME DRY AGAIN AND CONTINUED FIRE CONCERNS WILL REMAIN ACROSS
THE REGION AS TEMPS WARM UP AGAIN ABOVE NORMAL SUNDAY THROUGH
TUESDAY WITH LOWER RH VALUES. WINDS WILL BE LIGHT AS THE HIGH
PRESSURE CENTER INFLUENCES OUR WEATHER PATTERN.

STRONG COLD FRONT DROPPING SOUTH FROM THE GULF OF ALASKA WILL MOVE
THROUGH THE AREA ON WED WITH INCREASED WINDS AND A RETURN OF NEAR
TO JUST BELOW NORMAL TEMPERATURES. THIS LOOKS TO BE A DRY SYSTEM
AND WE ARE NOT INCLUDING ANY POPS FOR THE SIERRA ON WED AND
THURSDAY AT THIS TIME. WINDS WILL BE THE CONCERN WITH THIS EVENT
AS PRESS GRADS WILL INCREASE AS SRN NV LOW CENTER RAPIDLY DEVELOPS
AND DECENT UPPER JET BECOMES MORE IN LINE WITH SFC FLOW. H5
HEIGHTS AND 1000-850 MB THICKNESS VALUES SUPPORT TEMPS JUST BELOW
NORMAL AND BIAS CORRECTED GUIDANCE IS ALSO INDICATING A COOL DOWN
LATE NEXT WEEK BEHIND THE FRONT.

&&

.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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

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

$$

PUBLIC...BEAN
AVN/FW...DURFEE
PREV DISCUSSION...JDB
SYNOPSIS...ANDERSEN

WEATHER.GOV/HANFORD









000
FXUS66 KHNX 170955
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
255 AM PDT FRI MAY 17 2013

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN OVER THE AREA THROUGH THE WEEKEND WITH
SEASONAL TEMPERATURES. ISOLATED SHOWERS ARE POSSIBLE OVER THE HIGH
COUNTRY OF THE SIERRA TODAY. GRADUAL WARMING TREND INTO EARLY NEXT
WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH TO COOL US DOWN AGAIN LATE
IN THE WEEK.

&&

.DISCUSSION...
FRONT HAS MOVED THROUGH THE REGION AND COOLER AIR HAS MOVED IN.
TEMPS YESTERDAY WERE SOME 15 TO 20 DEGREES COOLER THAN THE DAY
BEFORE. WE WILL CONTINUE TO SEE BELOW NORMAL TEMPS AGAIN TODAY
WITH SOME CLOUD COVER ALONG THE EAST AND SOUTH END OF THE VALLEY
AND ACROSS THE SIERRA. WE MAY EVEN SEE AN ISOLATED SHOWER OVER THE
HIGH COUNTRY OF THE SIERRA THIS AFTERNOON AS THE UPPER LEVEL
SYSTEM MOVES THROUGH WITH COLD AIR ALOFT. LAPSE RATES ARE NOT
IMPRESSIVE ENOUGH TO SUPPORT THUNDER IN THE SIERRA TODAY AS WE ARE
ONLY LOOKING FOR A SHOWER OR TWO AND POSSIBLE FLURRY ALONG THE
CREST WITH LITTLE OR NO ACCUM POSSIBLE AS MOISTURE IS VERY
LIMITED. SNOW LEVELS ARE EXPECTED TO BE ABOVE 8000 FEET TODAY.

EPAC SFC HIGH PRESSURE RIDGE WILL BUILD IN FROM THE WEST OVER THE
WEEKEND WITH A GRADUAL WARMING TREND TO AROUND NORMAL TEMPERATURES
FOR THIS TIME OF THE YEAR ON SATURDAY. SUNDAY THROUGH TUESDAY
WILL BE WARM AGAIN WITH THE WARMEST DAY ON MONDAY. SOME AREAS IN
THE SJV AND KERN DESERT WILL BE BACK INTO THE LOWER 90S. IT WILL
BECOME DRY AGAIN AND CONTINUED FIRE CONCERNS WILL REMAIN ACROSS
THE REGION AS TEMPS WARM UP AGAIN ABOVE NORMAL SUNDAY THROUGH
TUESDAY WITH LOWER RH VALUES. WINDS WILL BE LIGHT AS THE HIGH
PRESSURE CENTER INFLUENCES OUR WEATHER PATTERN.

STRONG COLD FRONT DROPPING SOUTH FROM THE GULF OF ALASKA WILL MOVE
THROUGH THE AREA ON WED WITH INCREASED WINDS AND A RETURN OF NEAR
TO JUST BELOW NORMAL TEMPERATURES. THIS LOOKS TO BE A DRY SYSTEM
AND WE ARE NOT INCLUDING ANY POPS FOR THE SIERRA ON WED AND
THURSDAY AT THIS TIME. WINDS WILL BE THE CONCERN WITH THIS EVENT
AS PRESS GRADS WILL INCREASE AS SRN NV LOW CENTER RAPIDLY DEVELOPS
AND DECENT UPPER JET BECOMES MORE IN LINE WITH SFC FLOW. H5
HEIGHTS AND 1000-850 MB THICKNESS VALUES SUPPORT TEMPS JUST BELOW
NORMAL AND BIAS CORRECTED GUIDANCE IS ALSO INDICATING A COOL DOWN
LATE NEXT WEEK BEHIND THE FRONT.

&&

.AVIATION...
AREAS OF MVFR AND LOCAL IFR CONDITIONS IN UPSLOPE CLOUDS AND
SHOWERS PERSISTING OVER THE SOUTHERN SIERRA NEVADA AND
TEHACHAPI RANGE THRU 03Z SAT. OTHERWISE VFR CONDITIONS WILL PREVAIL.

&&

.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 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 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893
KFAT 05-19      103:2008     63:1972     70:2009     42:1896

KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
KBFL 05-19      101:1954     65:1916     73:1979     38:1893
&&

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

$$

PUBLIC...JDB
AVN/FW...DS
SYNOPSIS...JDB

WEATHER.GOV/HANFORD










000
FXUS66 KHNX 170310
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
810 PM PDT THU MAY 16 2013

.UPDATE...
EXPIRED THE WIND ADVISORY FOR THE WEST CENTRAL SAN JOAQUIN VALLEY.

&&

.SYNOPSIS...
CLOUDS...WIND...AND LIGHT SHOWERS WILL CONTINUE TO MOVE ACROSS THE
REGION THROUGH FRIDAY. TEMPERATURES WILL REBOUND BY THE WEEKEND.

&&

.DISCUSSION...
WINDS THROUGH THE PACHECO PASS HAVE DIMINISHED...SO HAVE ALLOWED
THE WIND ADVISORY FOR THE WEST CENTRAL SAN JOAQUIN VALLEY TO
EXPIRE.

RADAR AND SATELLITE LOOPS SHOW A MOSTLY DRY FRONTAL BAND MOVING
THROUGH THE KERN COUNTY MOUNTAINS AND DESERTS AT THIS TIME. THIS
BAND HAS GENERATED A FEW GUSTS IN EXCESS OF 45 MPH...SO WILL
KEEP THE WIND ADVISORIES FOR THE KERN COUNTY MOUNTAINS AND DESERTS
IN PLACE FOR NOW.

&&

.AVIATION...
LOCAL MVFR CONDITIONS PERSISTING OVER THE CENTRAL SAN JOAQUIN
VALLEY AND INTO THE SOUTHERN SIERRA NEVADA AND TEHACHAPI RANGE
WITH PATCHES OF MTN OBSCURING IFR CONDITIONS IN SHOWERS. THESE
CONDITIONS WILL BE POSSIBLE THROUGH 07Z FRIDAY. GUSTY WINDS
CONTINUING...ESPECIALLY IN THE VICINITY OF MOUNTAIN PASSES THROUGH
07Z FRIDAY.

&&

.PREV DISC... /ISSUED 325 PM PDT THU MAY 16 2013/

DISCUSSION...
AN UPPER LEVEL WEAK COLD FRONT HAS MOVED SOUTHWARD THROUGH CENTRAL
CALIFORNIA TODAY BRINGING SCATTERED LIGHT SHOWERS TO THE AREA. THE
FRONT IS CURRENTLY ORIENTATED FROM THE NORTHEAST TO THE SOUTHWEST
OVER KERN COUNTY. THE UPPER LEVEL FLOW AHEAD OF AND PARALLEL TO THE
FRONT IS BRINGING STRONG WINDS TO THE TEHACHAPI MOUNTAIN AND KERN
COUNTY DESERT AREAS. WIND GUSTS ARE IN CURRENTLY IN THE MID 40 MPH
RANGE AT THIS TIME. A WIND ADVISORY UNTIL MIDNIGHT PDT IS
CURRENTLY IN EFFECT FOR THOSE LOCALES.

THE POST FRONTAL ONSHORE FLOW ASSOCIATED WITH THE TROUGH IS NOW
BEGINNING TO DEVELOP OVER THE CENTRAL CALIFORNIA COAST. THIS
ONSHORE FLOW WILL ALLOW FOR A MARINE PUSH AND BRING COOLER AIR
AND BREEZY CONDITIONS INTO THE SAN JOAQUIN VALLEY THIS
EVENING...ESPECIALLY IN THE PACHECO PASS AREA. THEREFORE...A WIND
ADVISORY WAS ISSUED AND WILL BE IN EFFECT THIS EVENING UNTIL 8 PM
PDT FOR THE WESTERN SIDE OF THE NORTHWESTERN SAN JOAQUIN VALLEY.

THE WESTERLY FLOW ALOFT COUPLED WITH THE COOLER AIRMASS...WILL
CREATE SOME OROGRAPHIC LIFT AND VERTICAL INSTABILITY THIS EVENING
AND OVERNIGHT HOURS WHICH WILL INCREASE THE CHANCES FOR A LIGHT
RAIN SHOWERS ALONG THE WEST SIDE OF THE SOUTHERN SIERRA RANGE
AND THE CREST AREAS. A FEW SHOWERS OVER THE SAN JOAQUIN VALLEY
CANNOT BE RULED OUT SINCE THE COOLING TEMPERATURES WILL RAISE THE
RELATIVE HUMIDITIES ALLOWING ANY DEVELOPING SHOWERS TO REACH THE
GROUND. ANY SHOWERS IN THE VALLEY WILL NOT AMOUNT TO MUCH.

RIDGING WILL BEGIN TO MOVE INTO THE REGION BY LATE FRIDAY AND
EARLY SATURDAY HOURS BRINGING GRADUALLY WARMING TEMPERATURES AND
CLEARING CONDITIONS. TEMPERATURES WILL BE BACK TO ABOVE NORMAL BY
SUNDAY LASTING THROUGH TUESDAY AFTERNOON WHEN ANOTHER PACIFIC
NORTHWEST SYSTEM BEGINS TO TRANSIT SOUTHWARD AGAIN LOWERING HEIGHTS
AND AGAIN INCREASING THE CLOUD COVER AND RAIN SHOWER CHANCES FOR THE
NORTHERN PARTS OF THE CWA.

&&

.AIR QUALITY ISSUES...
NONE.

&&

.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 05-16      103:1970     63:2011     71:2008     40:1894
KFAT 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893

KBFL 05-16      105:1970     63:1962     71:2008     39:1918
KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893

&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL MIDNIGHT PDT TONIGHT FOR THE KERN COUNTY
MOUNTAINS AND DESERTS /CAZ095-098-099/.

&&

$$

PUBLIC...SANGER/BSO
AVN/FW...SANGER
PREV DISCUSSION...ANDERSEN
SYNOPSIS...WP

WEATHER.GOV/HANFORD







000
FXUS66 KHNX 162225
AFDHNX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
325 PM PDT THU MAY 16 2013

.SYNOPSIS...
CLOUDS...WIND...AND LIGHT SHOWERS WILL CONTINUE TO MOVE ACROSS THE
REGION THROUGH TOMORROW. TEMPERATURES WILL REBOUND BY THE WEEKEND.

&&

.DISCUSSION...
AN UPPER LEVEL WEAK COLD FRONT HAS MOVED SOUTHWARD THROUGH CENTRAL
CALIFORNIA TODAY BRINGING SCATTERED LIGHT SHOWERS TO THE AREA. THE
FRONT IS CURRENTLY ORIENTATED FROM THE NORTHEAST TO THE SOUTHWEST
OVER KERN COUNTY. THE UPPER LEVEL FLOW AHEAD OF AND PARALLEL TO THE
FRONT IS BRINGING STRONG WINDS TO THE TEHACHAPI MOUNTAIN AND KERN
COUNTY DESERT AREAS. WIND GUSTS ARE IN CURRENTLY IN THE MID 40 MPH
RANGE AT THIS TIME. A WIND ADVISORY UNTIL MIDNIGHT PDT IS
CURRENTLY IN EFFECT FOR THOSE LOCALES.

THE POST FRONTAL ONSHORE FLOW ASSOCIATED WITH THE TROUGH IS NOW
BEGINNING TO DEVELOP OVER THE CENTRAL CALIFORNIA COAST. THIS
ONSHORE FLOW WILL ALLOW FOR A MARINE PUSH AND BRING COOLER AIR
AND BREEZY CONDITIONS INTO THE SAN JOAQUIN VALLEY THIS
EVENING...ESPECIALLY IN THE PACHECO PASS AREA. THEREFORE...A WIND
ADVISORY WAS ISSUED AND WILL BE IN EFFECT THIS EVENING UNTIL 8 PM
PDT FOR THE WESTERN SIDE OF THE NORTHWESTERN SAN JOAQUIN VALLEY.

THE WESTERLY FLOW ALOFT COUPLED WITH THE COOLER AIRMASS...WILL
CREATE SOME OROGRAPHIC LIFT AND VERTICAL INSTABILITY THIS EVENING
AND OVERNIGHT HOURS WHICH WILL INCREASE THE CHANCES FOR A LIGHT
RAIN SHOWERS ALONG THE WEST SIDE OF THE SOUTHERN SIERRA RANGE
AND THE CREST AREAS. A FEW SHOWERS OVER THE SAN JOAQUIN VALLEY
CANNOT BE RULED OUT SINCE THE COOLING TEMPERATURES WILL RAISE THE
RELATIVE HUMIDITIES ALLOWING ANY DEVELOPING SHOWERS TO REACH THE
GROUND. ANY SHOWERS IN THE VALLEY WILL NOT AMOUNT TO MUCH.

RIDGING WILL BEGIN TO MOVE INTO THE REGION BY LATE FRIDAY AND
EARLY SATURDAY HOURS BRINGING GRADUALLY WARMING TEMPERATURES AND
CLEARING CONDITIONS. TEMPERATURES WILL BE BACK TO ABOVE NORMAL BY
SUNDAY LASTING THROUGH TUESDAY AFTERNOON WHEN ANOTHER PACIFIC
NORTHWEST SYSTEM BEGINS TO TRANSIT SOUTHWARD AGAIN LOWERING HEIGHTS
AND AGAIN INCREASING THE CLOUD COVER AND RAIN SHOWER CHANCES FOR THE
NORTHERN PARTS OF THE CWA.

&&

.AVIATION...
LOCAL MVFR CONDITIONS PERSISTING OVER THE CENTRAL SAN JOAQUIN
VALLEY AND INTO THE SOUTHERN SIERRA NEVADA AND TEHACHAPI RANGE
WITH PATCHES OF MTN OBSCURING IFR CONDITIONS IN SHOWERS. THESE
CONDITIONS WILL BE POSSIBLE THROUGH 07Z FRIDAY. GUSTY WINDS
CONTINUING...ESPECIALLY IN THE VICINITY OF MOUNTAIN PASSES THROUGH
07Z FRIDAY.

&&

.AIR QUALITY ISSUES...
NONE.

&&

.CERTAINTY...

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

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 05-16      103:1970     63:2011     71:2008     40:1894
KFAT 05-17      106:2009     64:2011     73:2008     44:1974
KFAT 05-18      103:2008     63:1994     73:2008     42:1893

KBFL 05-16      105:1970     63:1962     71:2008     39:1918
KBFL 05-17      105:2009     68:1998     73:2009     41:1906
KBFL 05-18      102:2009     68:2011     76:1973     41:1893
&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL MIDNIGHT PDT TONIGHT CAZ095-098-099.

WIND ADVISORY UNTIL 8 PM PDT THIS EVENING CAZ089.

&&

$$

PUBLIC...ANDERSEN
AVN/FW...MOLINA
SYNOPSIS...WP

WEATHER.GOV/HANFORD










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