FXUS66 KHNX 102325
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
325 PM PST THU DEC 10 2009
.SYNOPSIS...
A SERIES OF DISTURBANCES WILL MOVE THROUGH CENTRAL CALIFORNIA OVER
THE NEXT FEW DAYS PRODUCING PERIODS OF MODERATE RAIN AND HEAVY
SNOWFALL IN THE HIGHER ELEVATIONS.
&&
.DISCUSSION...
SEVERAL LOW PRESSURE SYSTEMS ARE EXPECTED TO AFFECT CENTRAL
CALIFORNIA STARTING TONIGHT THROUGH SUNDAY. THE FIRST SYSTEM IS
JUST OFF THE CENTRAL COAST. A BAND OF SUBTROPICAL MOISTURE IS
ALREADY MOVING ONSHORE WITH AREAS OF RAIN OVER THE COASTAL
MOUNTAINS OF MONTERREY AND SAN LOUIS COUNTIES. MODELS PROG
HALF INCH OF QPF OVER THE TEHACHAPIS TO THREE QUARTERS OVER THE
SIERRA. SYSTEM IS RELATIVE WARM AND SNOW SHOULD REMAIN HIGH AROUND
6KFT OR ABOVE. THE HEAVIER PRECIPITATION SHOULD LAST THROUGH
MIDDAY FRIDAY WITH A BREAK FRIDAY EVENING. ANOTHER STORM IS
EXPECTED TO MOVE INTO CENTRAL CA FRIDAY NIGHT AND CONTINUE INTO
SATURDAY MORNING. A THIRD SYSTEM AND STRONGER SYSTEM WILL MOVE
INTO REGION SATURDAY AFTERNOON AND CONTINUING THROUGH SUNDAY
AFTERNOON. WILL CONTINUE WITH THE WINTER STORM WATCH FOR THE
WEEKEND. THIS SYSTEM COULD PROVIDE A COUPLE OF FEET OF SNOW
POSSIBLE OVER THE SIERRA THROUGH SUNDAY. GFS PROGS THE HEAVIEST
PRECIPITATION AMOUNTS LATE SATURDAY AND SATURDAY NIGHT. EXPECT
SNOW LEVELS TO REMAIN ABOVE 6KFT UNTIL SATURDAY. COLDER AIR MAY
ARRIVE SATURDAY NIGHT AND LOWER SNOW LEVELS BELOW 5KFT.
&&
.AVIATION...
AREAS OF MVFR VISIBILITIES IN HAZE IN THE SAN JOAQUIN VALLEY THROUGH
00Z FRIDAY. MOUNTAIN OBSCURATIONS WITH RAIN AND SNOW MOVING IN FROM
THE WEST AFTER 00Z FRIDAY PRODUCING AREAS MVFR AND LCL IFR CEILINGS
AND VISIBILITIES.
&&
.AIR QUALITY ISSUES...
ON THURSDAY DECEMBER 10 2009... FIREPLACE/WOOD STOVE BURNING IS
PROHIBITED IN FRESNO AND KINGS COUNTIES.
FURTHER INFORMATION IS AVAILABLE AT VALLEYAIR.ORG
&&
.HNX WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FROM 8 PM THIS EVENING TO NOON PST
FRIDAY FOR CAZ096-097.
WINTER STORM WATCH FROM FRIDAY EVENING THROUGH SUNDAY MORNING
FOR CAZ095>097.
&&
$$
PUBLIC...MV
AVN/FW...DCH
SYNOPSIS...WP
WEATHER.GOV/HANFORD
