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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column “First There Is A Mountain, Then There Is No Mountain, Then There Is.”

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Here is my weekly weather quiz question for the last time. What is a “Ceilometer?” Here is the correct answer. A Ceilometer is a device using a laser or other light source to determine the height of a cloud base. An optical ceilometer uses triangulation to determine the height of a spot of light projected onto the base of the cloud; a laser ceilometer determines the height by measuring the time required for a pulse of light to be scattered back from the cloud base. 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 High Pressure Ridge that should have brought us sunshine this afternoon.  The graphics for days 1-3 show the weak disturbance that slid through bringing with it the surprise of drizzle and clouds that lasted all day in the Willamette Valley. High pressure strengthens again during the day Monday. The graphics for days 3-7 show the next complex frontal systems heading our way Thursday and again next Sunday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 25 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • 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 Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed blue-green algae bloom and the toxins they produce have dissipated in the reservoir. OHA Public Health Division officials advise continued caution with your pets around the northwest corner of the reservoir.Testing has shown the presence of Microcystin (a liver toxin) in that area is still above the established guideline.
  • Health Advisory remains in effect 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. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. 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 Howard Bay and Shoalwater Bay 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 Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. 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 Agency 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 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:

Saturday November 4th:

Ducks vs Washington, at Husky Stadium, Seattle, WA – Kickoff: Time Yet To Be Determined – Way too soon for a preliminary weather forecast.

Beavers vs California at California Memorial Stadium, Berkeley, CA – Kickoff: 2:00 PM PDT –Way too soon for a preliminary weather forecast.

 

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

  • Mostly cloudy this evening, partly cloudy with patchy fog late tonight,
  • Early AM patchy fog and low clouds, mostly sunny and a bit warmer Monday afternoon, clear and colder at night,
  • Sunny and a bit cooler Tuesday, clear in the evening, partly cloudy late Tuesday night,
  • Mostly cloudy with a slight (20%) chance of showers Wednesday afternoon and evening, becoming mostly cloudy with a (30%) chance of showers late Wednesday night.
  • lows 42-33 warming to 45 Wednesday night highs 63-59.
  • Mostly cloudy and a bit cooler with rain likely (70%) Thursday, rain and a bit cooler Thursday night and Friday , cloudy with a good (50%) of rain and a bit cooler Friday night,
  • Rain likely (70%) and a bit cooler Saturday, then cloudy with a good (50%) chance of showers Saturday night and Sunday.
  • highs 55-48 lows 45-39. (seasonal averages high 58 low 40)

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Forecast for Roseburg:

  • Partly cloudy with patchy drizzle this evening, mostly cloudy with patchy fog and drizzle late tonight,
  • Mostly cloudy with patchy fog Monday AM, sunny and a bit warmer in the afternoon, clear with patchy fog late Monday night and Tuesday AM, sunny and a bit cooler Tuesday afternoon, clear at night,
  • AM sun, partly cloudy and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of rain  Wednesday night.
  • lows 47-40 warming to 45 Wednesday night highs 65-62.
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Thursday, rain Thursday night and Friday, rain likely (70%) and a bit cooler Friday night and Saturday, showers likely (70%) Saturday night,
  • Then mostly cloudy and a bit cooler with a good (50%) chance of showers Sunday.
  • highs 60-47 lows 47-42. (seasonal averages high 60 low 43)

 

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

  • Mostly cloudy with patchy coastal drizzle tonight and patchy coastal fog late tonight while mostly cloudy with patchy inland evening drizzle (under 0.10 in. of rain possible),
  • Mostly cloudy with patchy AM coastal fog, sunny and a bit warmer Monday afternoon, clear with patchy coastal fog late at night and Tuesday AM, sunny and a bit cooler in the afternoon, mostly clear Tuesday night,
  • Partly cloudy and a bit cooler Wednesday, mostly cloudy with a slight (20%) chance of rain Wednesday night.
  • lows 48-43 warming back to 4 Wednesday night highs 64-60.
  • Mostly cloudy with AM rain likely (70%), a bit cooler with a (40%) chance of rain Thursday afternoon, rain Thursday night and Friday, rain likely (70%) and a bit cooler Friday night and Saturday, then mostly cloudy with showers likely (60%) and a bit cooler Saturday night and Sunday.
  • highs 59-49 lows 48-44. (seasonal averages high 58 Low 45)

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Forecast for the Cascades in Lane County:

  • Partly cloudy tonight and Monday AM, sunny and breezy (Wind: E 15-25 mph gusts to 40 mph) in the afternoon, clear and breezy (Wind: E 15-25 mph gusts to 35 mph) Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • AM sun, a mix of clouds and sun and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers, then a slight (20%) chance of showers late Wednesday night.
  • free air freezing level 13,000 ft. falling to 12,000 ft. tonight, 11,000 ft. Monday and Monday night, 12,000 ft. rising to 13,000 ft. Tuesday afternoon, 14,000 ft. Tuesday night, 13,000 ft. falling to 12,000 ft. Wednesday, snow level 7,000 ft. Wednesday night.
  • lows 34-32 warming to 35 Tuesday night and Wednesday night highs 50-54 cooling to 49 Wednesday.
  • Mostly cloudy and a bit cooler with rain likely (70%) Thursday and Thursday night,
  • Mostly cloudy and a bit cooler with rain Friday, rain and snow likely (60%) Friday night,
  • Rain and snow likely (60%) and a bit cooler Saturday, then rain and snow showers likely (70%) and a bit cooler Saturday night and Sunday.
  • snow level 6,000 ft. Thursday, 6,500 ft. Thursday night, 5,500 ft. Friday, 4,000 ft. Friday night, 3,500 ft. Saturday, 4,000 ft. Saturday night, then 3,000 ft. Sunday.
  • highs 42-32 lows 33-24.

 

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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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