Dec
10.
Atmospheric River is slowly moving away from the Pacific Northwest. The graphics for days 1-3 show a frontal system vacillating back and forth over the Pacific Northwest during the period. The graphics for days 3-7 Saturday through Wednesday show a series of very active fronts sliding through the Pacific Northwest through the period.
ADVISORIES:
- A FLOOD WARNING IS IN EFFECT FOR THE LUCKIAMUTE RIVER NEAR SUVER AFFECTING POLK AND BENTON COUNTIES UNTIL EARLY THURSDAY AFTERNOON
- A FLOOD WATCH IS IN EFFECT THROUGH THURSDAY AFTERNOON FOR CLATSOP COUNTY COAST, TILLAMOOK COUNTY COAST, CENTRAL COAST OF OREGON, NORTHERN OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, NORTH OREGON COAST RANGE, CENTRAL OREGON COAST RANGE, LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, EAST CENTRAL WILLAMETTE VALLEY, BENTON COUNTY LOWLANDS, LINN COUNTY LOWLANDS, WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY, CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, CLACKAMAS COUNTY CASCADE FOOTHILLS, CASCADE FOOTHILLS IN LINN AND MARION COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WIND ADVISORY IS IN EFFECT THROUGH THURSDAY AFTERNOON FOR CLATSOP COUNTY COAST, TILLAMOOK COUNTY COAST, CENTRAL COAST OF OREGON, NORTHERN OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, NORTH OREGON COAST RANGE, CENTRAL OREGON COAST RANGE, LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, EAST CENTRAL WILLAMETTE VALLEY.
- A WIND ADVISORY IS IN EFFECT UNTIL 7 AM THURSDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
- AN AIR STAGNATION ADVISORY IS IN EFFECT FROM 5 AM MST FRIDAY UNTIL 5 AM MST MONDAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR WAPATO MARSH AT AT OAKS BOTTOM WILDLIFE REFUGE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WAPATO MASRSH TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY E TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR HELLS CANYON RESERVOIR IN BAKER AND WALLOWA COUNTIES DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT HELLS CANYON RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR OCHOCO LAKE IN CROOK COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT OCHOCO LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF CYANOBACTERIA *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR BULLY CREEK RESERVOIR IN MALHEUR COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT BULLY CREEK RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THIEF VALLEY RESERVOIR IN BAKER AND UNION COUNTIES DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THIEF VALLEY RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH WILDLIFE REFUGE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH WILDLIFE REFUGE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO PRESENCE OF CYANOBACTERIA FOR THE SOUTH UMPQUA RIVER. *PEOPLE SHOULD AVOID POOLS OF WATER IN BEDROCK ALONG THE RIVER. AVOID WATER CONTACT, DO NOT DRINK THE WATER, AND KEEP CHILDREN AND PETS AWAY FROM THE POOLS OF WATER.
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with a slight (20%) chance of evening showers, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
- Clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog Thursday night,
- Patchy AM fog, mostly sunny and a bit cooler Friday, partly cloudy with patchy dense fog late at night,
- Patchy dense AM fog, mostly sunny and a bit cooler Saturday, partly cloudy with a slight (20%) of evening rain, then mostly cloudy with a slight (20%) chance of rain Saturday night.
- lows 49-37warming to 42 Saturday night highs 60-55.
- Mostly cloudy and bit warmer with a good (50%) chance of rain Sunday and Sunday night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday, rain at night,
- Mostly cloudy and a bit cooler with rain Tuesday and Tuesday night,
- Then mostly cloudy and a bit cooler with rain Wednesday.
- highs 56-59 cooling to 53 Wednesday lows 45-43 (seasonal averages high 47 low 34).
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HOME WOOD HEATING ADVISORY:
EUGENE-SPRINGFIELD: GREEN – FIREPLACE AND WOOD STOVE BURNING IS ALLOWED.
OAKRIDGE: GREEN – FIREPLACE AND WOOD STOVE BURNING IS ALLOWED.
NOTE: Use of Pellet stoves is allowed all of the time.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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COLLEGE FOOTBALL PLAYOFF GAME FORECAST:
SATURDAY DECEMBER 20TH
Ducks vs. James Madison Dukes at Autzen Stadium- Game Time: 4:30 pm PST: Weather Forecast: Too soon for a Preliminary weather forecast.
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy with a (30%) chance of early evening, mostly cloudy with a (30%) chance of rain with patchy dense fog late tonight,
- Mostly cloudy with patchy AM fog, sunny and a bit cooler Thursday afternoon, partly cloudy with patchy fog late Thursday night,
- Some AM clouds with patchy fog, sunny and a bit cooler Friday afternoon, mostly clear wit patchy fog late at night,
- Patchy AM fog, sunny and a bit warmer Saturday afternoon, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain Saturday night and patchy fog late.
- lows 47-40 highs 63-56.
- Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday, patchy evening fog, mostly cloudy with a (40%) chance of rain Sunday night,
- Mostly cloudy with rain Monday and at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain likely Tuesday night,
- AM rain likely (70%), then rain Wednesday afternoon.
- highs 58-56 lows 42-46 (seasonal averages high 48 low 37).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (40%) chance of coastal rain tonight with patchy later evening coastal fog continuing through late tonight while mostly cloudy with (30%) chance of inland rain with patchy dense fog tonight,
- Mostly cloudy with a slight (20%) chance of AM coastal rain with patchy fog and sunny and a bit warmer Thursday afternoon, partly cloudy with a slight (20%) chance of evening coastal rain, patchy fog late Thursday night,
- Partly cloudy with patchy AM fog, sunny and a bit cooler Friday afternoon, mostly clear with patchy evening inland fog while patchy coastal fog at night,
- Patchy AM fog, sunny Saturday afternoon, then mostly cloudy with a (40%) chance of rain with patchy fog late Saturday night.
- lows 50-42 warming to 46 Saturday night highs 63-62 warming to 64 Saturday.
- Mostly cloudy and a bit cooler with rain likely (70%) Sunday and Sunday night,
- Mostly cloudy with rain and a bit warmer Monday, rain at night,
- Mostly cloudy and a bit cooler with rain Tuesday, rain Tuesday night,
- Then rain Wednesday.
- highs 62-63 cooling to 58 Wednesday lows 49-46 (seasonal averages high 53 low 40).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late tonight,
- Mostly sunny with a slight (20%) chance of AM showers, mostly sunny and a bit cooler Thursday afternoon, mostly clear Thursday night,
- Sunny and a bit warmer Friday, partly cloudy in the evening, mostly clear at night,
- Sunny and a bit warmer Saturday, then partly cloudy Saturday night.
- snow level 7,000 ft. tonight, 7,500 ft. Thursday, free air freezing level 12,000 ft. Thursday night, 13,000 ft. Friday and Friday night, then snow level 6,500 ft. Saturday and Saturday night.
- lows 35-37 cooling back to 35 Saturday night highs 50-55.
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Sunday, mostly cloudy with a good (50%) chance of rain Sunday night,
- Mostly cloudy and a bit cooler with rain Monday, rain at night,
- Mostly cloudy and a bit cooler with rain and snow Tuesday, rain and snow Tuesday night,
- Then mostly cloudy and a bit cooler with rain and snow Wednesday.
- snow level 6,500 ft. Sunday, 7,000 Sunday night, 8,000 ft. Monday, 7,500 Monday night, 6,000 ft. Tuesday, then 5,500 ft. Tuesday night, and Wednesday.
- highs 48-39 lows 37-33.
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