Strong Wind in California, May 20 to 21, 2008

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
447 PM PDT TUE MAY 20 2008

.DISCUSSION...UPPER TROF IS QUICKLY REPLACING THE HOT UPPER RIDGE.
ONSHORE GRADS HAVE DOUBLED TO 4 MB/S SFO-SAC AND WINDS IN THE
DELTA GUSTING 40-45 MPH AT KSUU. EXPECT WINDS TO GRADUALLY SPREAD
SOUTH OVER THE NEXT SEVERAL HOURS...AND WIND ADVISORIES ARE IN
EFFECT FOR THE VALLEY...EXTENDING INTO THE KERN MTNS/DESERTS. MAIN
CONCERN FOR THE SJV WILL BE THE STRONG MARINE PUSH TONIGHT...THEN
AGAIN WED AS 45-50KT H7 JET MOVES IN. TEMPS OVER THE NEXT 24HRS
WILL FALL 10-20 DEGREES FROM TODAY JUST ABOUT EVERYWHERE. MODELS
SHOW THICKNESSES FALLING 170-200 METERS BY WED AFTERNOON AND H85
TEMPS DOWN 11-14 DEGS/C. WINDS WILL BEGIN TO DECREASE IN THE
VALLEY LATE WED...AND ACROSS THE REMAINDER OF THE AREA THURS AS
CLOSED UPPER LOW DEVELOPS OVER THE SOUTHWEST U.S. THIS LOW THEN
BECOMES THE MAIN PLAYER IN THE OVERALL PATTERN THRU THE WEEKEND
INTO EARLY NEXT WEEK. MODELS DIFFER IN SMALLER DETAILS IN STRENGTH
AND TIMING OF IMPULSES WITHIN THE LOW ITSELF. BUT MAIN JIST OF THE
FCST IS FOR INSTABILITY SHOWERS/TSTMS ACROSS THE MTNS/DESERTS FROM
TIME TO TIME...ESPECIALLY FRI AND/OR SAT...DEPENDING ON YOUR MODEL
OF CHOICE. FOR THIS FCST...HAVE USED A BLEND OF THE RATHER WET
EURO AND MAINLY DRY GFS. WHILE KEEPING THE VALLEY DRY FOR
NOW...ITS NOT COMPLETELY OUT OF THE QUESTION OF SOME ISOLATED
LIGHT PRECIP SAT...ESPECIALLY ON THE ECMWF. STAY TUNED. TEMPS TO
BE SEVERAL DEGS BELOW CLIMO TILL EARLY NEXT WEEK.

&&

.AVIATION...GUSTY WINDS WILL CREATE AREAS OF BLOWING DUST IN THE
SAN JOAQUIN VALLEY AND AREAS OF BLOWING DUST AND SAND IN THE
KERN COUNTY DESERT THROUGH WEDNESDAY WITH LOCAL MVFR VISIBILITIES.
OTHERWISE...VFR CONDITIONS CAN BE EXPECTED ACROSS THE CENTRAL
CALIFORNIA INTERIOR THROUGH 00Z THURSDAY.

&&

.AIR QUALITY ISSUES...
PLEASE SEE SFOAQAHNX

&&

.HNX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 6 AM PDT THURSDAY FOR CAZ095-098-099.

WIND ADVISORY UNTIL 4 PM PDT WEDNESDAY FOR CAZ089>092.

&&

PUBLIC...BINGHAM
AVN/FW...DURFEE

WEATHER.GOV/HANFORD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
442 PM PDT TUE MAY 20 2008

CAZ089>092-211200-
WEST CENTRAL SAN JOAQUIN VALLEY-EAST CENTRAL SAN JOAQUIN VALLEY-
SOUTHWESTERN SAN JOAQUIN VALLEY-SOUTHEASTERN SAN JOAQUIN VALLEY-
442 PM PDT TUE MAY 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL AND SOUTHERN
SAN JOAQUIN VALLEY.

.DAY ONE...TONIGHT

WEST TO NORTHWEST WINDS OF 15 TO 25 MPH OVER MUCH OF THE SAN
JOAQUIN VALLEY WITH OCCASIONAL GUSTS TO 35 OR 40 MPH...ESPECIALLY
OVER THE WESTERN AREAS. REFER TO THE LATEST NON PRECIPITATION
STATEMENT ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN HANFORD
AT /WWUS76 KHNX/ OR /SFONPWHNX/ FOR DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WEST TO NORTHWEST WINDS WILL CONTINUE INTO WEDNESDAY AFTERNOON.
SUSTAINED WINDS OF 15 TO 25 MPH WILL OCCUR WITH OCCASIONAL GUSTS
TO 35 OR 40 MPH. REFER TO THE LATEST NON PRECIPITATION STATEMENT
ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN HANFORD AT
/WWUS76 KHNX/ OR /SFONPWHNX/ FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THE SAN JOAQUIN VALLEY NATIONAL WEATHER SERVICE
OFFICE.

WEATHER.GOV/HANFORD

CAZ095-098-099-211200-
KERN COUNTY MOUNTAINS-INDIAN WELLS VALLEY-
SOUTHEASTERN KERN COUNTY DESERT-
442 PM PDT TUE MAY 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE KERN COUNTY MOUNTAINS
AND DESERTS.

.DAY ONE...TONIGHT

A WIND ADVISORY REMAINS IN EFFECT. SUSTAINED WIND
SPEEDS OF 25 TO 45 MPH ARE LIKELY TONIGHT WITH GUSTS LOCALLY AT
TIMES TO 65 MPH OR HIGHER THROUGH AND BELOW WIND FAVORED PASSES
AND CANYONS...AS WELL AS OVER RIDGES. AREAS OF BLOWING DUST AND
SAND MAY REDUCE VISIBILITIES AT TIMES IN THE DESERTS. REFER TO
THE LATEST NON PRECIPITATION STATEMENT ISSUED BY THE NATIONAL
WEATHER SERVICE OFFICE IN HANFORD AT /WWUS76 KHNX/ OR /SFONPWHNX/
FOR DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A WIND ADVISORY REMAINS IN EFFECT THROUGH THURSDAY MORNING.
SUSTAINED WIND SPEEDS OF 25 TO 45 MPH ARE LIKELY TONIGHT WITH
GUSTS LOCALLY AT TIMES TO 65 MPH OR HIGHER THROUGH AND BELOW WIND
FAVORED PASSES AND CANYONS...AS WELL AS OVER RIDGES. AREAS OF
BLOWING DUST AND SAND MAY REDUCE VISIBILITIES AT TIMES IN THE
DESERTS. FOR DETAILS...REFER TO THE LATEST NON PRECIPITATION
STATEMENT ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN HANFORD
AT /WWUS76 KHNX/ OR /SFONPWHNX/ FOR DETAILS.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THE SAN JOAQUIN VALLEY NATIONAL WEATHER SERVICE
OFFICE.

BSO

WEATHER.GOV/HANFORD