...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING FOR THE SOUTH WASHINGTON COAST AND THE NORTH AND CENTRAL OREGON COAST... A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. * SEAS AND SURF: SEAS WILL REMAIN AROUND 20 FT THROUGH TODAY WITH PERIODS AROUND 17 SECONDS. WAVES WILL SLOWLY SUBSIDE TO AROUND 17 FT LATE THIS EVENING. SWELL OF THIS MAGNITUDE WILL PRODUCE DANGEROUS SURF CONDITIONS. * IMPACTS: EXERCISE EXTREME CAUTION ALONG BEACHES. UNPREDICTABLE WAVES MAY SURPRISE BEACH GOERS AND WASH MUCH FARTHER UP THE BEACH THAN THE PRECEDING WAVES OVER THE PREVIOUS 15 TO 30 MINUTES. PLEASE AVOID AREA JETTIES TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A * URBAN AND SMALL STREAM FLOOD ADVISORY FOR... SOUTHWESTERN YAMHILL COUNTY IN NORTHWESTERN OREGON... WESTERN POLK COUNTY IN NORTHWESTERN OREGON... LINCOLN COUNTY IN WESTERN OREGON... WESTERN BENTON COUNTY IN WESTERN OREGON... SOUTHWESTERN TILLAMOOK COUNTY IN NORTHWESTERN OREGON... NORTHWESTERN LANE COUNTY IN WESTERN OREGON... * UNTIL 315 PM PST * AT 1211 PM PST...EMERGENCY MANAGEMENT AND LAW ENFORCEMENT HAVE REPORTED FLOODED ROADWAYS AND SMALL STREAM FLOODING ALONG THE CENTRAL OREGON COAST. 2 TO 3 INCHES OF RAIN HAVE FALLEN IN THE LAST 12 HOURS AND ALLOWED WATER TO POOL IN LOW LYING AREAS. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NEWPORT...FLORENCE...LINCOLN CITY...WALDPORT...DEPOE BAY...DUNES CITY...OTTER ROCK...TRIANGLE LAKE...MAPLETON...LINCOLN BEACH... EDDYVILLE...NESKOWIN...VALSETZ...TIDEWATER...ALSEA...BLODGETT... GRAND RONDE...TOLEDO...WILLAMINA AND SILETZ. THIS INCLUDES THE FOLLOWING HIGHWAYS IN OREGON... U.S. HIGHWAY 20 WEST OF CORVALLIS BETWEEN MILE MARKERS 1 AND 40. U.S. HIGHWAY 101 BETWEEN MILE MARKERS 96 AND 121...BETWEEN MILE MARKERS 123 AND 140...NEAR MILE MARKER 156...AND BETWEEN MILE MARKERS 182 AND 198. STATE HIGHWAY 18 BETWEEN MILE MARKERS 1 AND 28. STATE HIGHWAY 22 FROM VALLEY JUNCTION TO SALEM NEAR MILE MARKER 1. STATE HIGHWAY 126 WEST OF EUGENE BETWEEN MILE MARKERS 1 AND 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...AS WELL AS FARM AND COUNTRY ROADS. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. LANDSLIDES AND DEBRIS FLOWS ARE POSSIBLE DURING THIS FLOOD EVENT. PEOPLE...STRUCTURES AND ROADS LOCATED BELOW STEEP SLOPES...IN CANYONS AND NEAR THE MOUTHS OF CANYONS MAY BE AT SERIOUS RISK FROM RAPIDLY MOVING LANDSLIDES. && THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A * FLOOD WARNING FOR THE SIUSLAW RIVER NEAR MAPLETON. * FROM LATE TONIGHT TO MONDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED. * AT 9 AM SATURDAY THE STAGE WAS...8.8 FEET / 5200 CFS. * FLOOD STAGE IS 18.0 FEET AND FLOOD FLOW IS 22400 CFS. * MINOR FLOODING IS FORECAST. * FORECAST...THIS RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE AROUND 1 AM SUNDAY AND IS EXPECTED TO CREST AT 21.6 FT AROUND 4 PM SUNDAY. * IMPACT...ABOVE 20.O FEET, EXPECT WATER OVER EAST MAPLETON ROAD. FLOODING OF SOME LOW-LYING HOMES AND STRUCTURES BEGINS. FLOODING MAY BE EXACERBATED BY HIGH TIDE. ...FLOOD WATCH REMAINS IN EFFECT FROM 4 PM PST THIS AFTERNOON THROUGH MONDAY AFTERNOON FOR SOUTHWEST WASHINGTON AND NORTHWEST OREGON... THE FLOOD WATCH CONTINUES FOR SOUTHWEST WASHINGTON AND NORTHWEST OREGON FROM 4 PM PST THIS AFTERNOON THROUGH MONDAY AFTERNOON. A CLASSIC ATMOSPHERIC RIVER TYPE PRECIPITATION EVENT IS SETTING UP OVER THE PACIFIC NORTHWEST TODAY...WHICH WILL CONTINUE TO IMPACT THE REGION INTO EARLY MONDAY. A VERY LONG FETCH OF MOISTURE WITH ORIGINS WEST TO THE SOUTH CHINA SEA IS FEEDING INTO THIS SYSTEM...BRINGING THE POTENTIAL FOR VERY LARGE RAINFALL TOTALS ACROSS THE REGION. A DEEP AND MOIST WESTERLY FLOW WILL DEVELOP TODAY AND CONTINUE THROUGH SUNDAY. WITH THE FLOW FORECASTED TO REMAIN PERPENDICULAR TO THE COAST RANGE AND CASCADES FOR AN EXTENDED PERIOD OF TIME...EXPECT STRONG OROGRAPHIC ENHANCEMENT TO LEAD TO THE HIGHEST RAINFALL TOTALS OVER THE MOUNTAINS. THE COAST RANGE...FOOTHILLS AND CASCADES ARE EXPECTED TO SEE IN THE RANGE OF 6 TO 12 INCHES OF RAIN...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOWER BUT STILL SIGNIFICANT TOTALS ARE EXPECTED FOR THE LOWER TERRAIN. PROJECTED RAINFALL ALONG THE COAST IS FORECASTED TO BE AROUND 4 TO 8 INCHES. THE INTERIOR LOWLANDS SHOULD SEE 1 TO 4 INCHES...WITH THE HIGHEST AMOUNTS CLOSER TO THE CASCADE FOOTHILLS. GIVEN THE LATEST FORECASTED RAINFALL TOTALS...IT APPEARS THAT THERE IS THE STRONG POTENTIAL FOR FLOODING OVER THE WEEKEND ON NUMEROUS RIVERS AND TRIBUTARIES DRAINING THE COAST RANGE AND CASCADES. A FEW RIVERS MAY EVEN REACH MAJOR FLOOD STAGE. THE CURRENT RIVER STAGE FORECASTS INDICATE THAT THE FASTER RESPONDING RIVERS COULD REACH FLOOD STAGE AS EARLY AS TONIGHT. THERE ARE ALSO LIKELY TO BE IMPACTS FROM URBAN AND SMALL STREAM FLOODING AND FLOODING ALONG LOW LYING PASTURE LAND. IN ADDITION TO THE FLOODING CONCERNS...EXCESSIVE RAINFALL HAS THE POTENTIAL TO CREATE LANDSLIDES...DEBRIS FLOWS...AND EXCESSIVE RUNOFF IN THE VICINITY OF RECENT WILDFIRE BURN SCARS. BURN SCARS FROM TWO LARGE FIRES THIS SUMMER...THE 36 PIT FIRE IN THE CLACKAMAS RIVER BASIN NEAR ESTACADA AND THE DECEPTION COMPLEX NEAR OAKRIDGE...WILL BE PARTICULARLY VULNERABLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. LANDSLIDES AND DEBRIS FLOWS ARE POSSIBLE DURING THIS FLOOD EVENT. PEOPLE...STRUCTURES AND ROADS LOCATED BELOW STEEP SLOPES...IN CANYONS AND NEAR THE MOUTHS OF CANYONS MAY BE AT SERIOUS RISK FROM RAPIDLY MOVING LANDSLIDES. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. THE NEXT UPDATE FOR THIS WATCH WILL BE ISSUED BY 10 PM SATURDAY NIGHT. Light Rain 52° 56° 52° F Data from The Weather Channel Yippee !...my rain gauge in the back yard says we got 7 inches of rain from last night to now and it still raining sideways....Mapleton again is flooded, would not live there in that little one horse town, bless those folks...I am on high ground big ole sand hill, water just disappears here...lots of wind though, more coming... .
Posted on: Sat, 20 Dec 2014 21:24:40 +0000
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