868
FXUS66 KHNX 241104
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
304 AM PST TUE NOV 24 2020
SYNOPSIS
HIGH PRESSURE WILL BE OVER THE AREA TODAY. ANOTHER FAST MOVING
WEATHER SYSTEM WILL DIVE INTO THE GREAT BASIN ON WEDNESDAY AND
SWING THROUGH THE DISTRICT ON THURSDAY. GUSTY WINDS ARE POSSIBLE
THURSDAY. COLD CONDITIONS WILL MOVE INTO THE AREA FRIDAY AND
CONTINUE THROUGH MONDAY MORNING WITH MAINLY DRY CONDITIONS.
DISCUSSION
THE TROUGH THAT SWUNG THROUGH THE REGION YESTERDAY HAS MOVED EAST
OF THE AREA AND WE ARE IN A SHORTWAVE RIDGING PATTERN IN ADVANCE
OF ANOTHER FAST MOVING SYSTEM EXPECTED TOMORROW NIGHT AND INTO
THANKSGIVING MORNING. THE SYSTEM IS FORECAST TO BE DRY WITH MAYBE
A FEW FLURRIES IN THE HIGH SIERRA. THE BIGGEST IMPACT WITH
TOMORROW EVENINGS SYSTEM WILL BE THE DROP IN OVERNIGHT
TEMPERATURES STARTING FRIDAY MORNING AND CONTINUING THROUGH THE
WEEKEND INTO EARLY NEXT WEEK. SUB FREEZING TEMPERATURES ARE
EXPECTED IN THE SJV AND WE WILL BE IN A PROLONGED STRETCH OF COLD
TEMPS WITH MINS MORE THAN 10 DEGREES BELOW NORMAL FOR THIS TIME OF
YEAR. HIGH TEMPS WILL BE NEAR NORMAL IN THE LOWER 60S.
MID LEVEL RIDGING WILL BUILD IN OVER THE REGION ON FRIDAY WITH A
COLD AIRMASS OVER THE AREA BY THE END OF THE WEEK. A WEAK AND FAST
MOVING MID LEVEL SYSTEM WILL MOVE THROUGH THE REGION ON SUNDAY
AND A LARGE MIDLEVEL RIDGE BUILDING BACK OVER THE AREA MONDAY AND
TUESDAY WITH SOME WARMING EXPECTED. DRY PATTERN WITH NO
PRECIPITATION EXPECTED IN THE EXTENDED.
FOG WILL BE FAVORABLE FOR DEVELOPMENT IN THE SJV RIVER BASIN THIS
MORNING AND AFTER THE RIDGE BUILDS IN BY FRIDAY MORNING.
AVIATION
LOCAL MVFR VISIBILITIES DUE TO HAZE OR MIST 12Z-17Z IN THE SAN
JOAQUIN VALLEY WITH LOCAL IFR IN MIST/FOG 12Z-17Z TODAY.
OTHERWISE, VFR CONDITIONS WILL PREVAIL DURING THE NEXT 24 HOURS
ACROSS THE CENTRAL CALIFORNIA INTERIOR.
AIR QUALITY ISSUES
ON TUESDAY NOVEMBER 24 2020... UNHEALTHY FOR SENSITIVE GROUPS IN
KERN COUNTY. FIREPLACE/WOOD STOVE BURNING STATUS IS: NO BURNING
UNLESS REGISTERED IN FRESNO... KERN (GREATER FRAZIER PARK AREA)...
KINGS... MADERA... MERCED AND TULARE COUNTIES. NO BURNING FOR ALL
IN KERN COUNTY.
FURTHER INFORMATION IS AVAILABLE AT VALLEYAIR.ORG
CERTAINTY
THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS HIGH.
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT
WWW.WEATHER.GOV/HNX/CERTAINTY.HTML FOR ADDITIONAL INFORMATION
AN/OR TO PROVIDE FEEDBACK.
HNX WATCHES/WARNINGS/ADVISORIES
NONE.
PUBLIC/AVIATION/FIRE WEATHER....JDB
PIO/IDSS........................DS
WEATHER.GOV/HANFORD
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