000
FXUS66 KEKA 171017
AFDEKA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
317 AM PDT FRI MAY 17 2013

.SYNOPSIS...A WEAK DISTURBANCE WILL BRING A SLIGHT CHANCE OF
PRECIPITATION TO AREAS NORTH OF CAPE MENDOCINO SATURDAY.
OTHERWISE...A WARMING AND DRYING TREND WILL BEGIN TODAY AND
PERSIST THROUGH THE WEEKEND.
&&

.DISCUSSION...SAT IMAGERY SHOWS SHORTWAVE TROUGH PUSHING INLAND
THIS MORNING WITH BROAD UPPER RIDGE OVER THE E PAC MOVG E. SOME
LINGERING INSTABILITY MAY ALLOW A SHOWER OR TWO TO DEVELOP ACROSS
THE INTERIOR THIS AFTERNOON. HOWEVER...DRIER AND WARMER WX WILL
BEGIN TO MOVE INTO THE REGION TODAY AS THE UPPER RIDGE MOVES
CLOSER TO THE COAST. MODELS IN FAIRLY GOOD AGREEMENT WITH ANOTHER
SHORTWAVE TROUGH RIDING OVER THE RIDGE SAT...SO KEPT SCHC-CHC POPS
FOR AREAS N OF CAPE MENDO. FURTHER S...WARMING AND DRYING TREND
WILL BEGIN TO TAKE HOLD AS THE UPPER RIDGE MOVES CLOSER TO THE
COAST. WARM AND DRY WX WITH MORNING FG/STRATUS ALONG THE COAST
AND INLAND VALLEYS WILL PERSIST INTO NEXT WEEK. NLY WINDS WILL
BECOME BREEZY SUN AS A THERMAL TROUGH DEVELOPS ALONG THE COAST AND
INTERACTS WITH HIGH PRES OFFSHORE. MODELS IN FAIR AGREEMENT WITH
THE UPPER RIDGE BEGINNING TO BREAK DOWN MON AS A LONG WAVE TROUGH
BEGINS DEEPENING OVER THE PAC NW. MODELS REMAIN IN GOOD AGREEMENT
THROUGH THE EXTENDED WITH THE UPPER TROUGH PERSISTING OVER THE W
COAST INTO NEXT WEEKEND. THIS WILL RESULT IN COOLER WX WITH A SCHC
OF AFTERNOON SHOWERS BEGINNING THE MIDDLE OF NEXT WEEK.
&&

.AVIATION...VARIABLE AND FLUCTUATING CONDITIONS WILL CONTINUE AT
KCEC AND KACV THIS MORNING. CIGS AND VSBYS WILL DIP TO IFR AT
TIMES BUT OVERALL CONDITIONS SHOULD IMPROVE BY THIS AFTERNOON.
EXPECT MORE IFR CONDITIONS TO DEVELOP TONIGHT OVER COASTAL AREAS.
&&

.MARINE...HIGH PRESSURE LOCATED OVER THE NORTHEAST PACIFIC WILL
INTERACT WITH A COASTAL TROUGH THIS WEEKEND. WINDS WILL INCREASE
THIS WEEKEND AND LIKELY REACH GALE...PRIMARILY IN THE OUTER
WATERS...SUNDAY AFTERNOON. THE STRONG NORTH WINDS WILL PRODUCE
STEEP SHORT PERIOD SEAS ACROSS THE INNER WATERS AND A WARNING FOR
SEAS MAY BE NECESSARY BY SUN NIGHT.
&&

.EKA WATCHES/WARNINGS/ADVISORIES...NONE.
&&

$$

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