Dec
12.
An Upper Level High Pressure Ridge (“Arch” shape) Brings Saturday sunshine. 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 Monday through Friday show a series of very active fronts sliding through the Pacific Northwest through the period.
ADVISORIES:
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 5 AM MST MONDAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- A DENSE FOG ADVISORY IS IN EFFECT IS IN EFFECT UNTIL 10 AM TODAY FOR 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 61 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 68 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 82 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:
- Patchy dense AM fog, mostly sunny and a bit warmer this afternoon, mostly cloudy this evening, partly cloudy with a slight (20%) chance of rain late tonight,
- Mostly cloudy with a slight (20%) chance of AM rain, just mostly cloudy Sunday afternoon, a slight (20%) chance of evening rain, rain late Sunday night,
- Mostly cloudy and a bit warmer with rain Monday, then rain Monday night.
- highs 55-59 lows 37-49.
- Mostly cloudy and a bit cooler with rain Tuesday and Tuesday night,
- Mostly cloudy and a bit cooler with rain Wednesday, rain at night,
- Mostly cloudy and a bit warmer with rain Thursday and Thursday night,
- Then mostly cloudy with rain Saturday.
- highs 58-50 warming to 53 Friday and Saturday lows 42-44 (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: Preliminary weather forecast: Mostly Cloudy, Showers 49 degrees, Cooling as the game progresses.
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Forecast for the Umpqua Valley including Roseburg:
- Patchy dense AM fog, sunny and a bit warmer this afternoon, partly cloudy with patchy dense fog late tonight,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday, mostly cloudy with a (30%) chance of rain Sunday night,
- Mostly cloudy with rain Monday and in the evening, rain likely (70%) late Monday night.
- highs 59-58 warming to 60 Monday lows 42-52.
- Mostly cloudy and a bit cooler with rain Tuesday, rain and colder Tuesday night,
- Mostly cloudy with rain and a bit cooler Wednesday, rain at night,
- Mostly cloudy and a bit warmer with rain Thursday and Thursday night,
- Then mostly cloudy and a bit warmer with rain Friday.
- highs 59-52 warming to 57 Friday lows 45-44 warming to 49 Thursday night (seasonal averages high 48 low 37).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear with patchy evening fog, partly cloudy with patchy fog late tonight,
- AM sun with patchy fog, partly cloudy and a bit warmer Saturday, partly cloudy with patchy coastal fog Saturday night while patchy inland dense fog late Saturday night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday, a good (50%) chance of coastal rain Sunday night while a (40%) chance of inland rain late at night.
- highs 64-62 warming back to 64 Monday lows 42-52.
- Mostly cloudy with rain and a bit warmer Monday, rain Monday night,
- Mostly cloudy and a bit cooler with rain Tuesday, rain at night,
- Rain and a bit cooler Wednesday, rain Wednesday night,
- Then mostly cloudy and a bit warmer with rain and breezy Thursday and Thursday night,
- Then mostly cloudy and a bit cooler with rain and breezy Friday.
- highs 62-56 warming to 59 Thursday cooling to 58 Friday lows 46-43 warming to 48 Thursday night (seasonal averages high 53 low 40).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today, partly cloudy this evening, mostly clear late tonight,
- A mix of clouds and sun and a bit cooler Sunday, mostly cloudy with rain likely (70%) Sunday night,
- Mostly cloudy and a bit cooler with rain Monday, then rain Monday night,
- free air freezing level 13,000 ft. today, 12,000 ft. tonight, 11,000 ft. falling to 10,000 ft. Sunday, snow level 7,500 ft. Sunday night, 8,000 ft. Monday, then 7,500 ft. Monday night.
- highs 54-56 cooling to 52 Sunday lows 38-36 warming to 40 Monday night.
- Mostly cloudy and a bit cooler with rain Tuesday, rain and snow Tuesday night,
- Mostly cloudy and cooler with snow and rain Wednesday, rain and snow at night,
- Mostly cloudy and as bit warmer with rain and snow Thursday and Thursday night,
- Then mostly cloudy with rain and snow Friday.
- snow level, , 7,000 ft. Tuesday, 6,000 ft. Tuesday night, 4,000 ft. Wednesday, 4,500 ft. Wednesday night, 6,000 ft. Thursday, 6,500 ft. Thursday night, then 6,000 ft. Friday.
- highs 43-34 warming to 38 Thursday and Friday lows 28-32.
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