URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
1100 AM PDT SAT SEP 12 2020

NORTH OREGON COAST-LOWER COLUMBIA-GREATER PORTLAND METRO AREA-
CENTRAL WILLAMETTE VALLEY-I-5 CORRIDOR IN COWLITZ COUNTY-
GREATER VANCOUVER AREA-
INCLUDING THE CITIES OF ASTORIA, CANNON BEACH, TILLAMOOK,
NETARTS, PACIFIC CITY, ST. HELENS, CLATSKANIE, HILLSBORO,
PORTLAND, WILSONVILLE, OREGON CITY, GRESHAM, TROUTDALE, SALEM,
MCMINNVILLE, WOODBURN, STAYTON, DALLAS, LONGVIEW, KELSO,
CASTLE ROCK, VANCOUVER, BATTLE GROUND, RIDGEFIELD, WASHOUGAL,
YACOLT, AND AMBOY
1100 AM PDT SAT SEP 12 2020

…DENSE FOG ADVISORY WILL EXPIRE AT 11 AM PDT THIS MORNING…

VERY LOW VISIBILITIES HAVE DIMINISHED. HOWEVER EXPECT
VISIBILITIES ONE-HALF TO 1 MILE TO CONTINUE THROUGH THE DAY WITH
THE SMOKE IN THE AREA. DENSE FOG MAY RETURN TONIGHT.

CENTRAL OREGON COAST-CENTRAL COAST RANGE OF WESTERN OREGON-
SOUTH WILLAMETTE VALLEY-NORTHERN OREGON CASCADE FOOTHILLS-
NORTHERN OREGON CASCADES-CASCADE FOOTHILLS IN LANE COUNTY-
CASCADES IN LANE COUNTY-
INCLUDING THE CITIES OF LINCOLN CITY, NEWPORT, CAPE FOULWEATHER,
YACHATS, FLORENCE, GRANDE RONDE, BURNT WOODS, TIDEWATER,
SWISSHOME, VENETA, EUGENE, SPRINGFIELD, CORVALLIS, ALBANY,
LEBANON, SANDY, ESTACADA, SILVER FALLS STATE PARK, SWEET HOME,
GOVERNMENT CAMP, DETROIT, SANTIAM PASS, VIDA, JASPER, LOWELL,
COTTAGE GROVE, MCKENZIE PASS, MCKENZIE BRIDGE, OAKRIDGE,
AND WILLAMETTE PASS
1100 AM PDT SAT SEP 12 2020

…DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT SUNDAY…

* WHAT…VISIBILITY ONE TO TWO MILES IN DENSE SMOKE.

* WHERE…SOUTH WILLAMETTE VALLEY, CASCADES IN LANE COUNTY,
CENTRAL OREGON COAST, NORTHERN OREGON CASCADES, NORTHERN
OREGON CASCADE FOOTHILLS, CASCADE FOOTHILLS IN LANE COUNTY AND
CENTRAL COAST RANGE OF WESTERN OREGON.

* WHEN…UNTIL 8 AM PDT SUNDAY.

* IMPACTS…HAZARDOUS DRIVING CONDITIONS DUE TO LOW VISIBILITY.

* ADDITIONAL DETAILS…VERY UNHEALTHY TO HAZARDOUS AIR QUALITY
CONDITIONS DUE TO THE DENSE SMOKE WILL CONTINUE INTO MONDAY. FOR
MORE INFORMATION ON LATEST AIR QUALITY CONDITIONS, GO ONLINE TO
THE THE OREGON DEPARTMENT OF ENVIRONMENT QUALITY OR THE LANE
REGIONAL AIR POLLUTION AGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

PERSONS WITH RESPIRATORY ILLNESSES SHOULD REMAIN INDOORS TO AVOID
INHALING SMOKE. IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND
LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTPS://WEATHER.GOV/PORTLAND