Here is my new weekly weather quiz question. What are “Striations?” 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. The answer has to be a comment to win. An email answer will not count. Good luck.

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Once an upper level low pushes East of us we’ll be in for lots of sunshine. Upper level high pressure (Shaded “Arch” shape with blue arrows) takes over and strengthens. Some pretty “fair” weather for the Lane County Fair that runs  through Sunday. It looks like the only frontal system to move toward the Pacific Northwest will be to our North next Monday.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 21 in the good category measuring Ozone.

Oakridge: The Air Quality Index is 6 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 23 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories:

• A Public Health Advisory for higher-than-normal levels of fecal bacteria in ocean waters at D River Beach, located in Lincoln county has been LIFTED. Officials do recommend that people  stay away from pools of water on the beach and runoff from those pools that are frequented by birds.
• A Blue-Green Algae health advisory remins in effect for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake. It now includes all of Agency and Upper Klamath Lakes. 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:

• Mostly sunny and a bit warmer this afternoon, clear tonight,
• Then sunny and a bit warmer Saturday and Sunday, clear Saturday night.
• highs 80-86 lows 52-55.
• Then sunny and a bit warmer Monday through Thursday, clear each night.
• highs 88-92 lows near 55. (seasonal averages high 84 low 52)

 

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Eugene-Springfield Pollen Count:

Grass………. Low (2)

Trees………. Low (0)

Last Counted: 7/18/16

Data Courtesy of Oregon Allergy Associates.

The Grass and Tree Pollen season is officially over now.

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Forecast for Roseburg:

• AM clouds, sunny and a bit warmer this afternoon, clear tonight,
• Sunny and a bit warmer Saturday and Sunday, clear both nights.
• highs 82-88 lows 55-58.
• Sunny Monday, partly cloudy at night,
• Partly cloudy and a bit warmer Tuesday, mostly clear at night,
• Then mostly sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night.
• highs 88-95 lows 59-57. (seasonal averages high 86 low 57)

 

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

• AM clouds, sunny this afternoon, mostly clear tonight,
• Sunny Saturday and Sunday, mostly clear at night,
• highs near 66 lows near 55.
• Sunny Monday, then partly cloudy and a bit warmer Monday night through Wednesday night,
• Then AM clouds, mostly sunny and a bit warmer Thursday.
• highs 66-72 lows near 55. (seasonal averages high 65 low 53)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy this AM, mostly sunny this afternoon, clear tonight,
• Sunny and a bit warmer Saturday and Sunday, clear Saturday night.
• free air freezing level 12,000 ft. today, 13,000 ft. rising to 14,000 ft. late tonight, 14,000 ft. Saturday, 15,000 ft. Saturday night through Sunday night.
• highs 68-78 lows 42-48.
• Sunny and a bit warmer Monday, Tuesday, Wednesday and Thursday, clear each night.
• free air freezing level 15,000 ft. Monday, then 16,000 ft. Monday night through Thursday.
• highs 77-80 lows 52-47 warming back to 52 Thursday.

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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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