Area Forecast Discussion
Issued by NWS Eureka, CA

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FXUS66 KEKA 012203
AFDEKA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
303 PM PDT SUN MAY 1 2016

.SYNOPSIS...A HIGH PRESSURE RIDGE EXTENDING ACROSS THE REGION WILL
MAINTAIN DRY AND WARMER CONDITIONS ACROSS THE AREA THROUGH MONDAY.
TEMPERATURES WILL DECREASE SLIGHTLY MONDAY AND TUESDAY AS A COLD
FRONT APPROACHES AND MOVES THROUGH THE AREA INCREASING THE CHANCES
FOR A FEW SHOWERS AND INCREASING CLOUDINESS. A LOW PRESSURE SYSTEM
MAY MOVE INTO NORTH CENTRAL CA BRINING THUNDERSTORM CHANCES FOR
EASTERN TRINITY COUNTY THROUGH NEXT WEEK.

&&

.DISCUSSION...CLEAR TO PARTLY CLOUDY SKIES WILL CONTINUE ACROSS
THE REGION AS A HIGH PRESSURE RIDGE PERSIST ACROSS THE AREA...AND
LIGHT OFFSHORE FLOW KEEPS THE COAST WARM AND FOG/LOW CLOUD FREE.
THE OFFSHORE WIND COMPONANT WILL CEASE BY MONDAY FOR A RETURN OF
LOW CLOUDS AND LIKELY FOGGY CONDITIONS AT LEAST DURING THE NIGHTS
AND MORNINGS. A WEAK COLD FRONT AND GENERAL TROUGHINESS WILL
APPROACH AND MOVE THROUGH THE REGION MONDAY AND TUESDAY INCREASING
CLOUDINESS AND A SLIGHT CHANCE TO CHANCE FOR SHOWERS MOVING ACROSS
PORTIONS OF THE REGION. CLOUDINESS WILL INCREASE MONDAY AND
TUESDAY WHICH WILL COOL TEMPERATURES SLIGHTLY ACROSS THE REGION.
PATCHY FOG MAY DEVELOP ACROSS PORTIONS OF THE COASTAL AREAS AND
INLAND VALLEYS THROUGH MID WEEK. THE UPPER TROUGH MAY MORPH INTO
A CUT OFF LOW THAT THE GFS HAS MOVING SLOWLY INTO THE BAY AREA BY
THURSDAY. THIS WILL BRING SLIGHTLY ELEVATED CHANCES OF
THUNDERSTORMS AND PERSISTENT SHOWER CHANCES TO THE INTERIOR
MOUNTAINS MAINLY EAST OF WEAVERVILLE. OTHERWISE SEASONAL
TEMPERATURES AND FAIRLY NICE SPRING WEATHER SHOULD CONTINUE.


&&

.AVIATION...VFR WILL PREVAIL THROUGH THE REMAINDER OF THE DAY WITH
RELATIVELY LIGHT WINDS ACROSS THE REGION. OFFSHORE WINDS SHOULD BE
WEAKER TONIGHT SO CEILING DEVELOPMENT ALONG PARTS OF THE COAST WILL
NOT BE OUT OF QUESTION. VFR SHOULD CONTINUE ACROSS INTERIOR
LOCATIONS OVERNIGHT. MOUNTAIN SHOWERS WILL BE POSSIBLE MONDAY
AFTERNOON OTHERWISE EXPECT UPPER LEVEL CLOUDS TO INCREASE LATE IN
THE TAF PERIOD. KML


&&

.MARINE...STEEP WAVES CONTINUED TO SUBSIDE TODAY AS THE RELAXED
PRESSURE GRADIENT ALLOWED WINDS TO DECREASE. WINDS WILL BECOME LIGHT
AND SOUTHERLY ON MONDAY AS A SURFACE LOW FEATURE DRIFTS NORTHWARD.
THIS WILL MAINTAIN LIGHT TO MODERATE WINDS THROUGH THE EARLY HALF OF
THE WEEK BEFORE A RIDGE OF HIGH PRESSURE OFFSHORE BUILDS TOWARDS THE
WEST COAST. THIS WILL PINCH THE GRADIENT ONCE AGAIN AND BRING A
RETURN OF MODERATE TO FRESH NORTHERLY WINDS FOR THE LATE HALF OF THE
WEEK. A NORTHWESTERLY SWELL WILL OTHERWISE DOMINATE THE SEA STATE
FOR THE EARLY HALF OF THE WEEK WITH OVERALL WAVE HEIGHTS PREDICTED
TO REMAIN BELOW 10 FT. STEEP WAVES WILL BUILD ONCE THE WINDS START
INCREASING LATE IN THE WEEK WITH A SMALL LONG PERIOD SWELL EXPECTED
TO PROPAGATE THE WATERS THURSDAY INTO THE WEEKEND. KML


&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
NORTHWEST CALIFORNIA COASTAL WATERS...NONE.
&&

$$

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