Here is my weekly weather quiz question. What is a “Warm Occlusion?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer 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 (Shaded “Arch” shape in blue arrows) is taking control of our weather. Temperatures will slowly rise and we’ll stay dry for a while. An upper level low (Shaded “U” shape in blue arrows in previous graphic) will move in for the weekend. A frontal system will be approaching the Pacific Northwest Saturday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 5 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 14 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 ocean water contact at Neskowin Beach located in Tillamook County due to higher than normal levels of fecal bacteria. Contact with the water can result in diarrhea, stomach cramps, skin rashes, upper respiratory infections and other illnesses.Direct contact with the water should be avoided in this area until the advisory is lifted, especially by children and the elderly who may be more vulnerable to waterborne bacteria. Visitors should avoid wading in nearby creeks, pools of water on the beach, or in discolored water, and stay clear of water runoff flowing into the ocean.
• A Health Advisory remains in effect for ocean water contact at Nye Beach located in Lincoln County due to higher than normal levels of fecal bacteria. Contact with the water can result in diarrhea, stomach cramps, skin rashes, upper respiratory infections and other illnesses.Direct contact with the water should be avoided in this area until the advisory is lifted, especially by children and the elderly who may be more vulnerable to waterborne bacteria. Visitors should avoid wading in nearby creeks, pools of water on the beach, or in discolored water, and stay clear of water runoff flowing into the ocean.
• A Blue-Green Algae Health Advisory remains in effect for Agency Lake. Agency Lake is located just north of Upper Klamath Lake near Klamath Falls along Highway 97 in Klamath County. Water monitoring on the lake has confirmed the presence of high levels of blue-green algae and associated toxins that can be harmful to people and animals. Swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing and power boating, should be avoided in areas where blooms are identified. Although toxins are not absorbed through the skin, contact with cells from a bloom can cause skin irritation and a red, puffy rash in individuals with skin sensitivities, or those who develop rashes easily.
• A Blue-Green Algae Health Advisory remains in effect for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake ONLY. People should avoid swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing or power boating, in areas where blooms are identified. Although toxins are not absorbed through the skin, people who have skin sensitivities may experience a puffy, red rash at the affected area.

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

• Partly cloudy and a bit warmer this afternoon and  tonight with patchy fog late,
• Partly cloudy with areas of AM fog, mostly sunny and a bit warmer Thursday, mostly clear with patchy fog at night,
• Patchy AM fog, mostly sunny and a bit warmer Friday, then mostly clear Friday night.
• highs 76-84 lows 50-45 warming to 49 Friday night.
• Partly cloudy and a bit warmer Saturday, partly cloudy Saturday through Sunday AM, Sunday night,
• Mostly sunny and a bit warmer Monday, clear at night,
• Then sunny and a bit warmer Tuesday.
• highs 86-77 warming back to 86 Tuesday lows 54-47 warming to 49 Monday night. (seasonal averages high 79 low 49)

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College Football Forecast:

Saturday September 10th- Ducks vs Virginia at Autzen Stadium Kickoff 7:30 PM – Partly cloudy near 80 degrees and cooling as the game progresses, Wind NW 5-10 mph.

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Saturday September 10th- Beavers have a Bye week.

Next game- Saturday September 17th- Beavers vs Idaho State at Reser Stadium Kickoff Time?? Way too soon for an accurate forecast that far in the future.

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Forecast for Roseburg:

• Partly cloudy and a bit warmer this afternoon, mostly clear tonight,
• Then sunny and a bit warmer Thursday and Friday, mostly clear Thursday night, clear Friday night.
• highs 82-90 lows 52-50.
• Sunny Saturday, clear in the evening, partly cloudy late Saturday night,
• Partly cloudy in the AM, sunny but just a bit cooler Sunday afternoon, mostly clear at night,
• Then sunny and a bit warmer Monday and Tuesday, clear Monday night.
• highs 90-78 warming back to 90 Tuesday lows 54-49. (seasonal averages high 81 low 53)

 

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

• Sunny this afternoon, mostly clear in the evening,  partly cloudy late tonight,
• Then sunny and a bit warmer Thursday and Friday, mostly clear Thursday night, clear Friday night.
• highs 67-70 cooling back to 67 Friday lows 52-50.
• Sunny Saturday, clear Saturday night,
• Partly cloudy Sunday, mostly clear at night,
• Then sunny and a bit warmer Monday and Tuesday, clear Monday night.
• highs 67-73 lows 52-48. (seasonal averages high 66 low 51)

 

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Forecast for the Cascades in Lane County:

• Mostly sunny and warmer this afternoon, partly cloudy tonight and Thursday AM, mostly sunny and a bit warmer Thursday afternoon and Friday, mostly clear Thursday night, clear Friday night.
• free air freezing level 12,000 ft. today, 13,000 ft. tonight, then 14,000 ft. Thursday through Friday night.
• highs 64-74 lows 40-38 warming to 45 Friday night.
• Sunny Saturday, mostly clear Saturday night,
• Then mostly sunny and a bit warmer Sunday, Monday and Tuesday,  clear each night,
• free air freezing level 14,000 ft. Saturday and Saturday night, 13,000 ft. Sunday, 12,000 ft. Sunday night, 11,000 ft. Monday and Monday night, then 13,000 ft. Tuesday.
• highs 74-62 warming to 72 Tuesday lows 44-38.

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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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