Gale Watch 23, NWS Eureka, CA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
120 PM PDT TUE AUG 24 2010

.SYNOPSIS...HIGH PRESSURE OVER THE REGION WILL MAINTAIN SUNNY SKIES
AT THE COAST AND ABOVE NORMAL TEMPERATURES INTO WED. A TROUGH OF LOW
PRESSURE WILL BRING COOLER TEMPERATURES BACK TO NORTHWEST CA ON
THURSDAY.

&&

DISCUSSION...STRONG RIDGING ALOFT CONTINUES TO PROVIDE CLEAR SKIES
ACROSS NW CA. OFFSHORE FLOW WILL GRADUALLY WEAKEN BEGINNING TONIGHT
RESULTING IN SLIGHTLY COOLER TEMPERATURES ALONG THE COAST ON
WEDNESDAY...BUT INTERIOR TEMPS SHOULD REMAIN ABOUT THE SAME.  THE
RIDGE AXIS WILL MOVE FURTHER E THU AS AN UPPER LEVEL TROUGH BEGINS
TO DEEPEN OVER THE E PAC. THIS WILL RESULT IN A RETURN OF EVENING
AND MORNING STRATUS/FG TO THE COAST ALONG WITH COOLER TEMPS ACROSS
THE INTERIOR ON THURSDAY. MODELS IN GOOD AGREEMENT IN CONTINUING TO
DEEPEN THE TROUGH OVER THE W COAST THIS WEEKEND A MUCH COOLER
TEMPERATURE TREND AND A SCHC OF SHOWERS TO THE NORTH COAST HEADING INTO
THE WEEKEND. A MINOR SHORTWAVE WILL DEEPEN THE TROUGH FURTHER SAT
INTO SUN MAINTAINING A SCHC OF SHOWERS AND INTRODUCING THE THREAT OF
ISOLD TSTMS OVER THE HIGHER TERRAIN SUN. MODELS IN FAIR AGREEMENT IN
SHIFTING THE TROUGH AXIS E HEADING INTO NEXT WEEK ENDING THE PRECIP
CHCS ACROSS THE REGION.

&&

.AVIATION...CLEAR SKIES AND VFR CONDITIONS WILL PREVAIL
TONIGHT...ALTHOUGH THERE MAY BE BRIEF PERIODS OF REDUCED
VISIBILITIES DUE TO HAZE. TH

&&

.MARINE...THE THERMAL TROUGH OVER NORTHERN CALIFORNIA WILL CONTINUE
TO EXPAND NORTHWARD TONIGHT AND WEAKEN THE SURFACE PRESSURE GRADIENT
ACROSS THE WATERS. LIGHT TO MODERATE NORTH WINDS WILL PREVAIL
THROUGH WED...AND SHORT PERIOD SEAS WILL GRADUALLY LOWER. MODELS ARE
CONSISTENT WITH A 3 TO 4 FT SOUTH SWELL WITH 18+ SECOND PERIODS
MOVING THROUGH THE WATERS TONIGHT THROUGH WED NIGHT. THIS SOUTH
SWELL WILL BE MOST NOTICEABLE SOUTH OF CAPE MENDOCINO. THE SURFACE
PRESSURE GRADIENT WILL TIGHTEN AGAIN ON THU...AND INCREASING NORTH
WINDS MAY PRODUCE GALE CONDITIONS THU NIGHT AND FRI. TH

&&

.EKA WATCHES/WARNINGS/ADVISORIES...
SCA FOR PZZ470.

&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
119 PM PDT TUE AUG 24 2010

CAZ001>003-076-252030-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
MENDOCINO INTERIOR-
119 PM PDT TUE AUG 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ004-252030-
UPPER TRINITY RIVER-
119 PM PDT TUE AUG 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A SLIGHT THREAT OF THUNDERSTORMS EXISTS FOR SUNDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.