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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column Like The TV Show “Bones,” But For Real.

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Here is my weekly weather quiz question for the last time. What is “Clear Air Turbulence (CAT)?” Here is the correct answer. Clear Air Turbulence (CAT) – In aviation, sudden severe turbulence occurring in cloudless regions that causes violent buffeting of aircraft. I’ll have a new weekly weather quiz question for you starting Monday. The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) gave way to a short-lived high pressure ridge (“Arch” shape in blue arrows) through this afternoon for drying, then another trough will follow closely behind by late today returning the chance for rain. The graphics for days 1-3 show the frontal system moving through late today into Monday. The graphics for days 3-7 show the series of complex frontal systems that are headed our way Wednesday through next Sunday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 38 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTH WILLAMETTE VALLEY.
  • A WIND ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 4 PM MONDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A HIGH WIND WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 1 AM MONDAY ABOVE 1,000 FT. FOR THE COAST RANGE OF NORTHWEST OREGON.
  • A HIGH WIND WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 1 AM MONDAY NEAR BEACHES AND HEADLANDS FOR THE NORTH OREGON COAST.
  • A HIGH WIND WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 3 AM MONDAY NEAR BEACHES AND HEADLANDS FOR THE CENTRAL OREGON COAST.
  • A Health Advisory remains in effect for the Link and Klamath from Keno Dam to J.C. Boyle Dam (downstream from Keno Dam). Water monitoring has confirmed the presence of blue-green algae and the toxins they produce. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area.
  • Health Advisory HAS BEEN LIFTED for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Please remember that blooms can still come and go, so OHA advises pet owners to avoid areas where the water is foamy, scummy, thick like paint, pea-green, blue-green or brownish red in color, or if a thick mat of blue-green algae is visible in the water, or bright green cells are suspended in the water column.
  • A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
  • Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
  • A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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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Your College Football Forecast:

 November 25th: The Civil War Game

Ducks vs Beavers, at Autzen Stadium – Kickoff: 4 PM – Too early for a preliminary weather forecast.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

  • AM clouds with areas of fog, a mix of clouds and sun and warmer this afternoon, evening rain becoming likely (70%), rain possibly heavy at times late tonight (1.00 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 35 mph),
  • Mostly cloudy and a bit warmer with rain Monday and in the evening, a (50%) chance of rain late at night,
  • Cloudy with a good (50%) chance of rain Tuesday, then rain Tuesday night.
  • highs 53-59 lows 45-52.
  • Mostly cloudy with rain likely (70%) and a bit warmer Wednesday and Wednesday night,
  • A good (50%) chance of rain and a bit cooler Thursday (Thanksgiving Day), rain likely (70%) at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Friday, a (40%) chance of showers Friday night,
  • Then a mix of clouds and sun with a (40%) chance of showers Saturday.
  • highs 59-52 lows 49-42. (seasonal averages high 51 low 37)

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Forecast for Roseburg:

  • Areas of fog and frost this AM, mostly cloudy and a bit warmer this afternoon, becoming cloudy with a slight (20%) chance of evening rain, rain likely (60%) late tonight,
  • Cloudy with rain Monday AM, rain likely (70%) and a bit warmer in the afternoon, a (40%) chance of rain Monday night,
  • Then cloudy and a bit warmer with a (40%) chance of rain Tuesday and Tuesday night.
  • highs 55-62 lows 46-52.
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Wednesday and at night,
  • Mostly cloudy and a bit cooler with a rain likely (60%) Thursday (Thanksgiving Day) and Thursday night,
  • Mostly cloudy with a good (50%) chance of showers and a bit cooler Friday, a slight (20%) chance of showers Friday night with areas of fog late,
  • Then mostly cloudy and a bit cooler with a (30%) chance of rain Saturday.
  • highs 62-53 lows 52-45. (seasonal averages high 52 low 40)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Mostly cloudy with patchy coastal fog this AM while inland areas of fog and frost this AM, a slight (20%) chance of coastal showers and a bit warmer this afternoon while just mostly cloudy inland and a bit warmer this afternoon, coastal rain likely (70%) tonight while a good (50%) chance of evening inland rain and inland rain likely (70%) late tonight and breezy (Wind: S 15-25 mph gusts to 40 mph late this evening and overnight,
  • Mostly cloudy Monday and a bit warmer with AM coastal rain likely (70%) with rain in the afternoon while inland rain Monday, evening rain likely (70%), a good (50%) chance of rain late Monday night,
  • Cloudy and a bit warmer with rain likely (70%) Tuesday AM, rain likely (60%) and a bit warmer in the afternoon, then cloudy with a good (50%) chance of rain Tuesday night.
  • highs 57-63 lows 48-54.
  • Cloudy and a bit cooler with rain likely (70%) and a bit cooler Wednesday through Thursday (Thanksgiving Day) and Thursday night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Friday, a slight (20%) chance of showers at night with areas of fog late,
  • Then mostly cloudy and a bit cooler with a (30%) chance of rain Saturday.
  • highs 62-54 lows 53-47. (seasonal averages high 54 Low 42)

 

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Forecast for the Cascades in Lane County:

  • Partly cloudy today, becoming mostly cloudy with a (40%) chance of evening rain, rain (1.00 in. of rain possible) late tonight and breezy (Wind: S 10-15 increasing and shifting to SW 15-25 mph gusts to 40 mph),
  • Mostly cloudy with rain Monday and breezy (Wind SW 15-25 mph gusts to 35 mph decreasing and shifting to S 5-10 mph in the afternoon gusts to 25 mph), evening rain then mostly cloudy with a good (50%) chance of rain late Monday night,
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Tuesday, rain likely (70%) at night.
  • free air freezing level 8,000 ft. tonight, 7,500 ft. rising to 8,000 ft. Sunday, snow level 6,500 ft. Sunday night, 7,500 ft. Monday, then above 8,000 ft. Monday night through Tuesday night.
  • highs 42-46 lows 34-39.
  • Mostly cloudy with rain likely (70%) and a bit warmer Wednesday and Wednesday night,
  • A good (50%) chance of rain and a bit cooler Thursday (Thanksgiving Day), rain likely (70%) Thursday night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Friday, a (40%) chance of showers at night,
  • Then a mix of clouds and sun with a (40%) chance of showers Saturday.
  • snow level above 8,000 ft. Wednesday through Thursday, 7,000 ft. Thursday night, 5,500 ft. Friday and Friday  night, then 6,500 ft. Saturday.
  • highs 48-40 lows 39-32.

 

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

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