Dec
31.
An Upper Level High Pressure Ridge (“Arch” shape) and a surface high kept the Pacific Northwest dry for one more day today. The graphics for days 1-3 show no frontal activity over the Pacific Northwest through the period. The graphics for days 3-7 Saturday through Wednesday show frontal activity moving over the Pacific Northwest Saturday, Monday, and next Tuesday.
ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM THURSDAY UNTIL 10 AM FRIDAY FOR THE UPPER HOOD RIVER VALLEY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM THURSDAY UNTIL 10 AM FRIDAY FOR THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 1 AM FRIDAY FOR THE THE EASTERN COLUMBIA GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON THURSDAY FOR THE LOWER COLUMBIA RIVER BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON
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 108 in the Unhealthy for Sensitive Groups category measuring Particulate Matter.
Oakridge: The Air Quality Index is 76 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 65 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 cloudy with a slight (20%) chance of evening rain with widespread dense fog, a good (50%) chance of rain (under 0.10 in. of rain possible) and patchy fog late tonight (New Year’s Eve),
- Mostly cloudy with patchy AM fog, rain (0.25 in. of rain possible) and a bit warmer Thursday afternoon (New Year’s Day), rain at night (0.25 in. of rain possible),
- Mostly cloudy with a good (50%) chance of rain likely (70%) and warmer Friday and in the evening, rain late Friday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Saturday, then rain Saturday night.
- lows 34-43 cooling to 42 Saturday night highs 44-56 cooling to 55 Saturday.
- Mostly cloudy and a bit cooler with rain Sunday, then rain likely (70%) Sunday night,
- Mostly cloudy with rain likely (70%) and a bit cooler Monday, a good (50%) chance of rain night at night,
- Mostly cloudy with a (30%) chance of AM rain, a mix of clouds and sun with with a (30%) chance of rain and a bit cooler Tuesday afternoon, a good (50%) chance of rain Tuesday night,
- Then mostly cloudy and a bit cooler with a good (50%) chance of rain Wednesday.
- highs 52-48 lows 40-35. (seasonal averages high 47 low 34).
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HOME WOOD HEATING ADVISORY:
EUGENE-SPRINGFIELD: YELLOW – CAUTION IS ADVISED. FIREPLACE AND WOOD STOVE BURNING IS ALLOWED, BUT BE PREPARED TO STOP USING THEM IF AIR QUALITY DETERIORATES.
OAKRIDGE: YELLOW – CAUTION IS ADVISED. FIREPLACE AND WOOD STOVE BURNING IS ALLOWED, BUT BE PREPARED TO STOP USING THEM IF AIR QUALITY DETERIORATES.
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:
THURSDAY JANUARY 1ST:
Ducks vs. Texas Tech Red Raiders at The Orange Bowl, Miami, FL – Game Time: 9:00 am PST: Weather Forecast: Preliminary Weather Forecast: Sunny 63 degrees, warming to 70 degrees as the game progresses.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a good (50% ) chance of rain tonight and rain likely (70%) late tonight (New Year’s Eve),
- Mostly cloudy with AM rain likely (70%), rain and warmer Thursday afternoon (New Year’s Day), rain Thursday night,
- Mostly cloudy with a (30%) chance of rain and a bit warmer Friday, then rain Friday night.
- lows 40-47 cooling to 44 Saturday night highs 52-57.
- Mostly cloudy with rain Saturday, rain Saturday night,
- Mostly cloudy with rain and a bit cooler Sunday, rain likely (70%) at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Monday, a (40%) chance of rain Monday night,
- Mostly cloudy with a (30%) chance of rain and snow Tuesday and at night,
- Then mostly cloudy and a bit cooler with a good (50%) chance of rain and snow Wednesday.
- highs 52-49 lows 42-38 (seasonal averages high 49 low 37).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a good (50%) chance of Thursday afternoon (New Year’s Day), rain Thursday night,
- Mostly cloudy with AM coastal rain and coastal rain likely (70%) and a bit warmer Friday afternoon, rain at night,
- Then mostly cloudy and a bit cooler with rain Saturday and Saturday night.
- lows 45-49 cooling to 45 Saturday night highs 57-62 cooling to 60 Saturday.
- Mostly cloudy with rain and a bit cooler Sunday, rain Sunday night,
- Mostly cloudy with rain likely (70%) Monday, a good (50%) chance of rain at night,
- Mostly cloudy and a bit cooler with a (30%) chance of rain Tuesday, a (40%) chance of rain Tuesday night,
- Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) Wednesday afternoon.
- highs 56-55 lows 43-40 (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 a slight (20%) chance of evening rain, a slight (20%) chance of rain and freezing rain late tonight (under 0.10 in. of rain possible, under 0.10 in. of rain possible, a trace of ice accumulation possible) tonight (New Year’s Eve),
- Mostly cloudy with rain and freezing rain a bit warmer (0.25 in. of rain possible, 0.10 in. of ice accumulation possible) Thursday afternoon (New Year’s Day), mostly cloudy with rain and freezing rain Thursday night (o.25 in. of rain possible, trace of ice accumulation possible),
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Friday, a (30%) chance of evening rain, rain with a slight (20%) chance of rain late Friday night,
- Mostly cloudy and a bit cooler with rain and a slight (20%) chance of snow Saturday, then rain and snow Saturday night.
- snow level 6,500 ft. rising to 8,000 ft. late tonight, above 8,000 ft. Thursday, 7,500 ft. Thursday night, 6,500 ft. Friday, 6,000 ft. Friday night, then 5,500 ft. Saturday and Saturday night,
- lows 34-37 cooling to 32 Saturday night highs 42-40 warming to 43 Friday.
- Mostly cloudy and a bit cooler with rain and snow likely (70%) Sunday, rain and snow likely (70%) Sunday night,
- Mostly cloudy a with rain and snow likely (70%) Monday, a good (50%) chance of rain and snow Monday night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow Tuesday, a good (50%) chance of rain and snow at night,
- AM clouds and sun with a good (50%) chance of rain and snow then mostly cloudy and a bit cooler with a good (50%) chance of snow and rain Wednesday afternoon.
- snow level 5,000 ft. Sunday, 4,500 ft. Sunday night, then 4,000 ft. Monday through Wednesday.
- highs 30-26 warming to 27 Wednesday lows 28-26.
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