Dec
19.
An Upper Level High Pressure Ridge (“Arch” shape) is carrying a very strong Atmospheric River which will still dump a lot of rain on the Pacific Northwest. The graphics for days 1-3 show a frontal system that will move over the Pacific Northwest. The graphics for days 3-7 Tuesday through Saturday show a series of very active fronts sliding through the Pacific Northwest through the period producing lots of rain.
ADVISORIES:
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE NORTH OREGON CASCADES AND THE CASCADES OF MARION AND LINN COUNTIES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY THE CASCADES OF LANE COUNTY.
- A FLOOD WATCH IS IN EFFECT THROUGH THIS AFTERNOON FOR CLATSOP COUNTY COAST, TILLAMOOK COUNTY COAST, CENTRAL COAST OF OREGON, NORTH OREGON COAST,THE LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, THE INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
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 30 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 56 in the Moderate 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 sunny and a bit cooler with a slight (20%) chance of showers this afternoon, a good (50%) chance of evening rain, showers likely (70%) tonight (under 0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with showers Sunday (Winter Solstice 7:03 AM), showers Sunday night,
- Mostly cloudy with showers and a bit warmer Monday, then showers likely (70%) Monday night.
- highs 50-49 warming back to 50 Monday lows 36-39 cooling to 37 Monday night .
- Cloudy and a bit cooler with a good (50%) chance of showers Tuesday, showers likely (70%) Tuesday night,
- Mostly cloudy with AM showers likely (70%), a mix of clouds and sun and a bit cooler with showers likely (70%) Wednesday afternoon, mostly cloudy with a good (50%) chance of showers Wednesday night (Christmas Eve),
- Mostly cloudy with a good (50%) chance of showers Thursday (Christmas Day), showers likely (70%) Thursday night,
- Mostly cloudy with a good (50%) chance of AM showers, then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday afternoon.
- highs 48-47 warming back to 48 Friday lows 36-35 (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- Updated Game Time: 4:00 pm PST: Weather Forecast: Cloudy 48 degrees, Cooling as the game progresses.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a slight (20%) chance of rain and a bit cooler this afternoon, a good (50%) chance of evening rain, rain likely (70%) late tonight snow level 3,000 ft. rising to 3,500 ft. late tonight,
- Mostly cloudy with AM rain likely (70%), rain and a bit warmer Sunday afternoon (Winter Solstice 7:03 AM), rain at night,
- Mostly cloudy with a good (50%) chance of AM rain, rain and a bit cooler Monday afternoon, evening rain likely (70%), then a good (50%) chance of rain late Monday night.
- highs 49-52 cooling to 50 Monday lows 42-43 cooling to 38.
- Mostly cloudy with a rain likely (70%) and a bit cooler Tuesday, rain likely (70%) Tuesday night,
- Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of rain Wednesday and at night (Christmas Eve),
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Thursday (Christmas Day), evening rain likely (70%), a good (50%) chance of rain and snow Thursday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, then a good (50%) chance of rain and a bit cooler Friday afternoon.
- highs 50-45 warming to 53 Thursday lows 39-36 warming to 38 Thursday 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 a (40%) chance of rain tonight,
- Some AM clouds, mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a good (50%) chance of evening rain, rain Saturday night,
- Mostly cloudy and a bit warmer with showers and a (30%) chance of coastal rain Sunday while a (30%) chance of inland rain Sunday afternoon (Winter Solstice 7:03 AM), coastal rain Sunday night while inland evening rain with a good (50%) chance of inland rain late at night,
- Mostly cloudy with rain and a bit cooler Monday, rain Monday night.
- highs 53-56 cooling to 52 Monday lows 43-44 cooling to 42 Monday night .
- Mostly cloudy with rain likely (70%) and a bit cooler Tuesday, rain likely (70%) Tuesday night,
- Mostly cloudy with rain likely (70%) and a bit cooler Wednesday, rain likely (70%) Wednesday night (Christmas Eve),
- Mostly cloudy with rain likely (70%) Thursday (Christmas Day), rain likely (70%) at night,
- Then mostly cloudy with rain likely (70%) Friday.
- highs 50-52 lows near 42 (seasonal averages high 53 low 40).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny and a bit cooler with a slight (20%) chance of snow showers this afternoon, a slight (20%) chance of evening rain and snow showers, rain and snow showers likely (70%) late tonight,
- Mostly cloudy and a bit warmer with rain and snow showers Sunday (Winter Solstice 7:03 AM), snow showers and rain showers at night,
- Mostly cloudy and a bit cooler with snow showers with rain showers likely (70%) Monday, a good (50%) chance of snow and rain showers Monday night.
- snow level 2,500 ft. today, 3,000 ft. tonight, 4,500 ft. Sunday, 4,000 ft. Sunday night, then 3,500 ft. Monday and Monday night.
- highs 35-36 cooling back to 35 Monday lows 20-27 cooling to 24 Monday night .
- Mostly cloudy and a bit cooler with snow and rain showers likely (70%) Tuesday, rain and snow showers likely (70%) Tuesday night,
- Mostly cloudy with snow and rain showers likely (70%) Wednesday, a good (50%) chance of snow and rain showers Wednesday night (Christmas Eve),
- Mostly cloudy with snow and rain showers likely (70%) and a bit warmer Thursday (Christmas Day), snow and rain showers likely (70%) Thursday night,
- Then mostly cloudy and a bit cooler with snow showers likely (70%) and a good (50%) chance of rain showers Friday.
- snow level 3,500 ft. Tuesday, 4,500 ft. Tuesday night, 4,000 ft. Wednesday, then 3,500 ft. Wednesday night through Friday.
- highs 35-36 cooling to 35 Tuesday lows 28-25.
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