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High wind warning, now
… HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 4 AM PST MONDAY… … HIGH WIND WATCH NOW IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING…
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING FOR THE NORTH AND CENTRAL WASHINGTON COAST… WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 4 AM PST MONDAY. THE HIGH WIND WATCH IS NOW IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING.
* WINDS: SUSTAINED SOUTH TO SOUTHEAST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE POSSIBLE WITH THE FIRST WAVE TONIGHT… AND WITH THE SECOND WAVE MONDAY AFTERNOON AND EVENING.
* TIMING: WINDS WILL BEGIN INCREASING EARLY THIS EVENING AS THE FIRST WAVE APPROACHES. THE PERIOD OF STRONGEST WINDS WILL BE FROM ABOUT 8 PM THROUGH MIDNIGHT TONIGHT… WITH WINDS DECREASING GRADUALLY AFTER MIDNIGHT. THE SECOND WAVE WILL APPROACH MONDAY AFTERNOON WITH THE PEAK WINDS PROBABLY BETWEEN 6 PM PST MONDAY AND MIDNIGHT. THE HIGH WIND WARNING IS IN EFFECT FOR THE FIRST WAVE AND THE HIGH WIND WATCH IS IN EFFECT FOR THE SECOND WAVE.
* IMPACTS: DOWNED TREES AND POWER LINES… WITH POWER OUTAGES WILL BE THE MAIN IMPACT. THERE COULD ALSO BE DAMAGE TO LIGHT STRUCTURES AND SHINGLES TAKEN OFF OF ROOFS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A HIGH WIND WARNING MEANS THAT HIGH WINDS ARE IMMINENT OR OCCURRING OR THERE IS A HIGH PROBABILTY THAT THEY WILL OCCUR. HIGH WINDS ARE TYPICALLY NOT UNIFORM ACROSS THE WARNED AREA. THEY ARE USUALLY QUITE LOCALIZED WITH MOST AREAS EXPERIENCING WEAKER WINDS AND ONLY SOME LOCATIONS RECEIVING THE BRUNT OF THE STORM.
A HIGH WIND WATCH MEANS THAT THERE IS A CHANCE OF HIGH WINDS… BUT IT IS NOT CERTAIN.
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More Information
.A VERY STRONG FRONTAL SYSTEM IS APPROACHING THE COAST TONIGHT. A PAIR OF SURFACE WAVES WILL MOVE NORTHEAST ALONG THE FRONT. THE FIRST IS A STRONG SURFACE TROUGH THAT WILL AFFECT THE AREA TONIGHT. THE SECOND WAVE IS A MORE DEVELOPED SURFACE LOW THAT WILL REACH THE AREA LATE MONDAY. EACH OF THESE FEATURES WILL TIGHTEN THE PRESSURE GRADIENTS ACROSS THE REGION… PRODUCING VERY WINDY CONDITIONS ALONG THE COAST AND OVER THE NORTHWEST INTERIOR.