Dec
18.
An Upper Level High Pressure Ridge (“Arch” shape) is carrying a very strong Atmospheric River which will 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 today. The graphics for days 3-7 Sunday through Thursday show a series of very active fronts sliding through the Pacific Northwest through the period producing lots of rain.
ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM 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 10 AM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 1 AM TODAY FOR THE UPPER HOOD RIVER VALLEY.
- A HIGH WIND WARNING IS IN EFFECT FROM 8 AM UNTIL 7 PM TODAY FOR THE CENTRAL COAST OF OREGON AND THE CENTRAL COAST RANGE OF OREGON.
- A HIGH WIND WARNING IS IN EFFECT FROM 7 AM UNTIL 10 PM TODAY FOR THE SOUTH CENTRAL OREGON COAST.
- A HIGH WIND WARNING IS IN EFFECT FROM 10 AM TODAY UNTIL 4 PM FRIDAY UNTIL 4 PM WEDNESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A HIGH WIND WARNING IS IN EFFECT FROM 7 AM UNTIL 10 PM TODAY FOR THE CURRY COUNTY COAST.
- A WIND ADVISORY IS IN EFFECT FROM 10 AM TODAY UNTIL 4 PM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A WIND ADVISORY IS IN EFFECT UNTIL 7 AM TODAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A FLOOD WARNING IS IN EFFECT FROM LATE TONIGHT UNTIL EARLY SATURDAY MORNING FOR THE WILSON RIVER NEAR TILLAMOOK, AFFECTING TILLAMOOK COUNTY, JOHNSON CREEK AT SYCAMORE AFFECTING CLACKAMAS AND MULTNOMAH COUNTIES, THE CLACKAMAS RIVER AT ESTACADA AFFECTING CLACKAMAS COUNTY, SIUSLAW RIVER AT MAPLETON AFFECTING LANE COUNTY, THE MARYS RIVER NEAR PHILOMATH AFFECTING BENTON COUNTY, THE LUCKIAMUTE RIVER NEAR SUVER AFFECTING BENTON AND POLK COUNTIES, AND THE PUDDING RIVER AT AURORA AFFECTING MARION AND CLACKAMAS COUNTIES.
- A FLOOD WATCH IS IN EFFECT THROUGH LATE FRIDAY NIGHT FOR CLATSOP COUNTY COAST, TILLAMOOK COUNTY COAST, CENTRAL COAST OF OREGON, NORTH OREGON COAST,THE LOWER COLUMBIA RIVER, TUALATIN VALLEY, PARTLAND 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.
- A FLOOD WARNING IS IN EFFECT FROM THURSDAY AFTERNOON UNTIL EARLY FRIDAY AFTERNOON FOR THE SILETZ RIVER AT SILETZ AFFECTING LINCOLN COUNTY.
- A FLOOD WARNING IS IN EFFECT FROM THURSDAY EVENING THROUGH LATE SATURDAY MORNING FOR THE CLACKAMAS RIVER NEAR OREGON CITY AFFECTING LINCOLN COUNTY.
- A FLOOD WARNING IS IN EFFECT FROM FROM THIS EVENING UNTIL FRIDAY AFTERNOON FOR THE SANDY RIVER NEAR BULL RUN AFFECTING CLACKAMAS AND MULTNOMAH COUNTIES.
- A FLOOD WATCH IS IN EFFECT THROUGH LATE FRIDAY NIGHT FOR CLATSOP COUNTY COAST, TILLAMOOK COUNTY COAST, CENTRAL COAST OF OREGON, NORTH OREGON COAST,THE LOWER COLUMBIA RIVER, TUALATIN VALLEY, PARTLAND 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.
- A HIGH WIND WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
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 36 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 54 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 60 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 rain (possibly heavy at times) and a bit warmer this afternoon (2.00 in. of rain possible), evening rain (possibly heavy at times), rain late tonight (2.00 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Friday, showers Friday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Saturday, then a good (50%) chance of rain Saturday night.
- highs 58 -48 lows 43-36 warming to 38 Saturday night.
- Mostly cloudy and a bit warmer with rain Sunday (Winter Solstice 7:03 AM), rain Sunday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Monday and at night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Tuesday, a good (50%) chance of rain Tuesday night,
- Mostly cloudy with a good (50%) chance of AM rain, then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain Wednesday afternoon.
- highs 49-52 cooling to 49 Tuesday lows 36-42 cooling to 39 Monday night (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: Weather Forecast: Preliminary 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 good (50%) chance of AM rain, rain this afternoon, breezy (Wind: S 15-25 mph), evening rain (possibly heavy at times), rain (possibly heavy at times) and breezy (Wind: SW 15-25 mph gusts to 40 mph) tonight,
- Mostly cloudy with rain and a bit cooler Friday (snow level 3,000 ft.), evening rain and snow, then a (50%) chance of rain and snow late Friday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a bit cooler with a (40%) chance of rain Saturday afternoon and evening, then rain likely (70%) late Saturday night.
- highs 60-49 lows cooling to 46-40 warming to 42 Saturday night .
- Mostly cloudy with rain and a bit warmer Sunday (Winter Solstice 7:03 AM) , rain Sunday night,
- Mostly cloudy with rain and a bit cooler Monday, evening rain likely (70%), rain and snow likely (70%) at night,
- Mostly cloudy with a good (50%) chance of rain and snow and a bit cooler Tuesday, a good (50%) chance of rain and snow Tuesday night,
- Then mostly cloudy and a bit cooler with a good (50%) chance of rain and snow Wednesday.
- highs 52-46 lows 42-37 (seasonal averages high 48 low 36).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy and a bit warmer with coastal rain today while inland AM rain likely (70%), inland rain this afternoon, Windy (Wind: S 30-40 mph) shifting S heavy rain possible) and very windy (Coastal Wind: S 30-45 mph while Inland Wind: S 30-40 mph shifting SW 20-30 mph in the afternoon, Coastal Wind: S 25-40 mph, rain (possibly heavy at times) tonight and very windy (Wind: SW 25-40 mph gusts to 60 mph decreasing to SW 20-30 mph gusts to 45 mph late at night),
- Mostly cloudy and a bit cooler with rain Friday and in the evening, then rain likely (70%) and colder late Friday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Saturday, then rain Saturday night,
- highs 62-54 lows 46-40 warming to 42 Saturday night.
- Mostly cloudy and a bit warmer with rain Sunday (Winter Solstice 7:03 AM) and at night,
- Mostly cloudy with rains and a bit cooler Monday, rain likely (70%) Monday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday and at night,
- Mostly cloudy with AM rain and snow likely (70%), then rain likely (70%) and a bit cooler Wednesday afternoon.
- highs 59-52 lows 409-39 (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 AM rain and a slight (20%) chance of snow (precipitation possibly heavy at times), rain and breezy and a bit warmer this afternoon (2 in. of rain possible, 2 in. of snow possible) and breezy (Wind: SW 15-25 mph gusts to 55 mph), rain with a slight (20%) chance of snow late tonight (2.00 in. of rain possible, 2 in. of snow possible),
- Mostly cloudy with rain and snow and a bit cooler Friday (AM snow possibly heavy at times), then snow and rain showers at night,
- Mostly cloudy with a good (50%) chance of snow and rain showers and a bit cooler Saturday, then snow likely (70%) with a (%) chance of rain Saturday night.
- snow level 8,000 ft. today, 6,500 ft. tonight, 3,500 ft. Friday, 2,500 ft. Friday, then 2,500 ft. Friday night.
- highs 43-33 lows 32-21 warming to 26 Saturday night.
- Mostly cloudy and a bit warmer with rain and snow Sunday (Winter Solstice 7:03 AM), rain and snow Sunday night,
- Mostly cloudy and a bit cooler with snow with rain likely (70%) Monday, a good (50%) chance of snow and rain at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of snow and rain Tuesday, a good (50%) chance of rain and snow Tuesday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, then a mix of clouds and sun and a bit cooler with a good (50%) chance of snow and rain Wednesday afternoon.
- snow level 5,500 ft. Sunday, 5,000 ft. Sunday night, 4,000 ft. Monday, then 3,500 ft. Monday night through Wednesday.
- highs 37-33 warming to 35 Tuesday cooling to 34 Tuesday lows 28-23 warming 24 Tuesday night.
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