Small Craft Advisory for Winds 26, NWS Eureka, CA

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE EUREKA CA
313 PM PDT WED MAR 25 2009

.SYNOPSIS...A WEAK DISTURBANCE WILL BRING A CHANCE OF LIGHT RAIN
TO THE NORTHERN PORTION OF THE FORECAST AREA THROUGH EARLY
THURSDAY. WARMER AND DRIER WEATHER IS EXPECTED INTO THE EARLY
WEEKEND AS HIGH PRESSURE BUILDS ACROSS THE AREA.

&&

.DISCUSSION...VERY WEAK FRONTAL BOUNDARY CURRENTLY MOVING
THROUGH SOUTHERN OREGON AND INTO NORTHWEST CALIFORNIA THIS
AFTERNOON. THE FRONT HAS BEEN KICKING OFF LIGHT RAIN/DRIZZLE FOR
AREAS NORTH OF CAPE MENDOCINO THIS AFTERNOON...AND EXPECT THIS
INTERMITTENT ACTIVITY TO CONTINUE OVERNIGHT AND INTO THE FIRST
PART OF THURSDAY MORNING.

THE UPPER LEVEL WAVE THAT HAS TRIGGED THIS FRONT WILL CONTINUE TO
SLIDE TO THE SOUTH AND EAST AS THE UPPER LEVEL RIDGE OVER THE
EASTERN PACIFIC SLIDES EASTWARDS. THE UPPER LEVEL RIDGE WILL BRING
DRIER AND CLEAR WEATHER THURSDAY AND FRIDAY. INLAND HIGH
TEMPERATURES WILL RISE TO NEAR 70 ON THURSDAY AND INTO THE MID 70S
ON FRIDAY WITH SUNSHINE EXPECTED ACROSS THE CWA. CLEAR SKIES
THURSDAY AND FRIDAY NIGHT WILL ALLOW FOR GOOD COOLING AND FOG
FORMATION OVER COASTAL AREAS AND INLAND VALLEYS. FRIDAY NIGHT THE
RIDGE WILL SHIFT FURTHER INLAND AS AN UPPER WAVE SWINGS ACROSS THE
GULF OF ALASKA. THIS WILL BRING COOLER TEMPERATURES...INCREASING
CLOUDS AND A SLIGHT CHANCE OF RAIN TO THE AREA SATURDAY NIGHT.

THE STORM PATTERN WILL DROP SOUTHWARDS OVER THE WEEKEND ALLOWING
MORE SHORT WAVE INFLUENCE ALONG THE NORTH COAST. RAIN AMOUNTS
CONTINUE TO APPEAR LIMITED WITH THIS SYSTEM FOR SATURDAY NIGHT
INTO SUNDAY WITH THE INFLUENCE LIMITED NORTH OF CAPE MENDOCINO.
OP/ENSEMBLE GFS ARE HINTING AT ANOTHER WEAK SHORT WAVE TROUGH
APPROACHING THE COAST ON MONDAY AFTERNOON...BUT WITH ECMWF DOES
NOT DEPICT THIS FEATURE HAVE KEPT POPS BELOW MENTION THROUGH EARLY
NEXT WEEK. ALM

&&

.AVIATION...A WEAK FRONT IS MOVING OVER THE AREA NORTH OF CAPE
MENDOCINO THIS AFTERNOON WITH MVR CONDITIONS IN LIGHT RAIN WITH
LOCALIZED IFR CONDITIONS. THE FRONT WILL PASS THROUGH THE COAST NEAR
8 PM THIS EVENING WITH CEILINGS BECOMING MFR TO VFR IN SHOWERS.
SOUTH OF LAYTONVILLE...IT IS MOSTLY CLEAR IN MORE OF A DOWNSLOPE
FLOW AND THEY WILL REMAIN VFR THROUGH THE NIGHT. DEAN.

&&

.MARINE...A WEAK COLD FRONT IS CROSSING THE NORTHERN WATERS THIS
AFTERNOON REDUCING THE SURFACE PRESSURE GRADIENT THOUGH NW WINDS
20-25KT CONTINUE IN THE EXTREME SOUTHERN WATERS. SURFACE HIGH
PRESSURE WILL BUILD BEHIND THE FRONT THURSDAY WITH SCA WINDS AGAIN
DEVELOPING. ONE SWELL TRAIN NEAR 5 FT AND 11 SECONDS IS MOVING
THROUGH THE WATERS. SWELL DEVELOPING FROM A SURFACE LOW SOUTH OF THE
ALEUTIAN ISLANDS WILL MOVE INTO THE WATERS OVER THE WEEKEND WITH SIG
WAVE HEIGHTS BUILDING TO 12 FEET BY SATURDAY. DEAN

&&

.EKA WATCHES/WARNINGS/ADVISORIES...

NONE

&&

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