Area Forecast Discussion
Issued by NWS Seattle/Tacoma, WA

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000
FXUS66 KSEW 181518
AFDSEW

.AVIATION...ANOTHER ROUND OF SHOWERS FOR WESTERN WA TODAY AS A COLD
FRONT MOVES OVER THE REGION. THE AIR MASS IS MOIST AND SOMEWHAT
UNSTABLE WITH FAIRLY LIGHT SW FLOW ALOFT BECOMING NW TONIGHT. THE
MOUNTAINS AND FOOTHILLS WILL BE OBSCURED. MORNING CLOUDS WILL GIVE
WA TO AFTERNOON SUN SUNDAY.

KSEA...SHOWERS WILL INCREASE THIS MORNING AS A COLD FRONT APPROACHES
AND MOVES INLAND. SHOWER ACTIVITY WILL DECREASE TONIGHT AS THE UPPER
LEVEL TROUGH EXITS. THE SURFACE FLOW WILL REMAIN SOUTHERLY.

&&

.MARINE...A COLD FRONT WILL CROSS THE REGION TODAY...WITH ONSHORE
FLOW INCREASING TONIGHT. THE CENTRAL AND EASTERN STRAIT OF JUAN DE
FUCA MAY SEE SMALL CRAFT ADVISORY WINDS THIS EVENING. HIGH PRES OVER
THE NE PAC WILL MAINTAIN NNW FLOW SUN AND MON. ANOTHER FRONT WILL
ARRIVE ON TUE.

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...NONE.
PZ...NONE.

&&

$$

YOU CAN SEE AN ILLUSTRATED VERSION OF THE FORECAST DISCUSSION AT
WWW.WEATHER.GOV/SEATTLE/GAFD/LATEST_WEBAFD.HTML










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