Dec
21.
An Upper Level High Pressure Ridge (“Arch” shape) is carrying a very strong Atmospheric River which will still dump rain on the Pacific Northwest. The graphics for days 1-3 show frontal systems that will move over the Pacific Northwest. The graphics for days 3-7 Wednesday through Sunday show a series of very active fronts sliding through the Pacific Northwest through the period producing lots of rain.
Note: Winter Officially started today at 7:03 AM today.
ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TUESDAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM MONDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM MONDAY UNTIL 4 AM MONDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A FLOOD WARNING IS IN EFFECT UNTIL TUESDAY MORNING FOR THE PUDDING RIVER AT AURORA AFFECTING MARION AND CLACKAMAS COUNTIES.
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 20 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 25 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 36 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 showers tonight (0.25 in. of rain possible),
- A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Monday (0.10 in. of rain possible), rain Monday night (0.25 in. of rain possible),
- Cloudy and a bit cooler with a good (50%) chance of rain Tuesday, rain Tuesday night (0.25 in. of rain possible),
- AM clouds with rain likely (70%), a mix of clouds and sun with rain likely (70%) Wednesday afternoon, then mostly cloudy with a good (50%) chance of rain Wednesday night (Christmas Eve).
- lows 38-34 highs 52-49.
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Thursday (Christmas Day), a good (50%) chance of rain Thursday night,
- Mostly cloudy with a good (50%) chance of AM rain, a mix of clouds and sun with a good (50%) chance of rain Friday afternoon, mostly cloudy with a slight (20%) chance of rain at night,
- A mix of clouds and sun and a bit cooler Saturday, mostly cloudy Saturday night,
- Then mostly cloudy and a bit warmer Sunday.
- highs 47-46 warming to 48 Sunday lows 34-32 (seasonal averages high 46 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: Ducks easily defeated James Madison Dukes 51-34.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with rain with a slight (20%) chance of evening thunderstorms, a (%) chance of late evening rain, rain likely (70%) late tonight with patchy fog (snow level 3,500 ft. falling to 3,000 ft.),
- Mostly cloudy with patchy dense AM fog, rain likely (70%) Monday afternoon (3,000 ft. rising to 3,500 ft. in the afternoon, a good (50%) chance of evening rain and a slight (20%) chance of thunderstorms, a good (50%) chance of rain late at night (3,500 ft.),
- Cloudy and a bit cooler with rain likely (70%) (snow level 3,000 ft. rising to 3,500 ft.) Tuesday, evening rain, rain and snow late Tuesday night (snow level 3,500 ft.),
- Mostly cloudy with AM rain and snow likely (70%), a bit cooler with a good (50%) chance of rain Wednesday afternoon and evening, then rain likely (70%) Wednesday night (Christmas Eve).
- lows 42-40 warming back to 42 Tuesday night highs 52-47 warming to 49 Wednesday.
- Mostly cloudy with rain and snow likely (70%) and a bit warmer Thursday (Christmas Day), rain and snow likely (70%) late Thursday night,
- Mostly cloudy with a good (50%) chance of rain and snow Friday, a good (50%) chance of evening rain and snow, partly cloudy with a slight (20%} chance of rain late at night,
- Partly cloudy and a bit warmer Saturday, mostly cloudy Saturday night,
- Then mostly cloudy with a slight (20%) chance of rain Sunday.
- highs 47-48 lows 35-34 warming to 37 Friday night (seasonal averages high 48 low 36).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with evening showers and a slight (20%) chance of thunderstorms, coastal rain likely (70%) late tonight while patchy late evening inland fog and a (%) chance of inland rain late tonight,
- Mostly cloudy with coastal rain and a bit warmer Monday while inland rain likely (70%) Monday, evening coastal showers with a slight (20%) chance of thunderstorms with inland rain likely (70%) late Monday night,
- Mostly cloudy with patchy AM fog, rain likely (70%) and a bit cooler Tuesday, rain likely (70%) at night,
- Mostly cloudy with AM rain, rain likely (70%) Wednesday afternoon, a good (50%) chance of evening rain, then rain likely (70%) late Wednesday night (Christmas Eve).
- highs 56-54 lows 43-40.
- Mostly cloudy with rain and a bit warmer Thursday (Christmas Day), rain likely (70%) Thursday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Friday, rain likely (70%) at night,
- Then partly cloudy with a slight (20%) chance of rain Saturday, mostly cloudy Saturday night,
- Then mostly cloudy with a slight (20%) chance of rain and a bit warmer Sunday afternoon.
- highs 56-55 warming to 57 Saturday lows 40-37 warming to 39 Friday night (seasonal averages high 53 low 40).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with evening snow and rain showers, a (%) chance of rain and snow showers late tonight (0.75 in. of rain possible, 3-7 in. of snow possible),
- A mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow showers Monday (0.10 n. of rain possible, 1 in. of snow possible), mostly cloudy with evening rain and snow showers likely (70%), a (0%) chance of snow and rain a late Monday night (under 0.10 n. of rain possible, 1 in. of snow possible),
- Mostly cloudy and a bit warmer with snow and rain likely (70%) Tuesday, snow and rain at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a mix of clouds and sun with a good (50%) chance of snow and rain and a bit warmer Wednesday afternoon, then mostly cloudy with a good (50%) chance of rain and snow Wednesday night.
- snow level 4,500 ft. falling to 3,500 ft. late tonight, 3,500 ft. Monday and Monday night, 3,000 ft. rising to 4,000 ft. Tuesday, 4,500 ft. Tuesday night, then 4,000 ft. Wednesday and Wednesday night.
- lows 27-23 warming to 29 Tuesday night cooling to 25 Wednesday night highs 34-36.
- Mostly cloudy with rain and snow likely (70%) Thursday (Christmas Day), rain likely (70%) with a (0%) chance of snow Thursday night,
- Mostly cloudy and a bit cooler with snow likely (70%) and a slight (20%) chance of rain Friday, mostly cloudy with a (40%) chance of snow and rain Friday night,
- Mostly sunny and a bit warmer Saturday, just mostly cloudy Saturday night,
- Then mostly cloudy and a bit warmer Sunday.
- snow level 4,500 ft. Thursday, 3,500 ft. Thursday night, 3,000 ft. Friday, 2,500 ft. Friday night, free air freezing level 5,000 ft. Saturday, 6,000 ft. Saturday night, then 9,000 ft. Sunday.
- highs 36-32 warming to 40 Sunday lows 22-20 warming to 24 Saturday night.
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