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Check out my latest Eugene Daily News Weather Or Not Column What’s In A Name? It’s “Deja Vu” All Over Again.

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Here is my weekly weather quiz question. What is “Popcorn Convection?” 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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Advisories:

A Blue-Green Algae warning continues for Dexter Reservoir, Dorena Reservoir, and Fern Ridge Reservoir.  Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities.

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An upper level high pressure ridge shaded “Arch” shapewill take over our weather for a short while, then another upper level low pressure trough will move in to replace it. Autumn begins at 1:44 PM Friday September 22nd, so Summer is nearly over.

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The Grass Pollen Count is listed as Low at 2 and Tree pollen is Absent at 0 as of 8/31/13 according to Oregon Allergy Associates. The Season is over.

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Your Saturday College Football Forecasts:

The Ducks vs Virginia at Scott Stadium, Charlottesville, Virginia: Kickoff 12:30 PM (3:30 PM EDT)- Sunny, temperature near 80 cooling down through the 70s as the game progresses.

The Beavers vs Hawaii at Reser Stadium, Corvallis: Kickoff 5:00 PM- Sunny, temperature near the day’s high near 80 cooling down through the 70s as the game concludes.

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

• Partly cloudy tonight.
• Mostly cloudy with patchy fog Saturday AM, mostly sunny in the afternoon, clear Saturday night.
• Partly cloudy Sunday AM, sunny in the afternoon, clear in the evening, partly cloudy Sunday night.
•  Partly cloudy Monday AM, sunny in the afternoon, then clear Monday night.
• lows 53-56 highs 83-86.
• Sunny Tuesday and Wednesday, clear Tuesday night, mostly clear in the evening, partly cloudy late Wednesday night and Thursday AM, mostly sunny Thursday afternoon, then partly cloudy Thursday night and Friday.
• highs 90-79 lows 60-55. (seasonal averages high 79 low 49)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly clear this evening, mostly cloudy with patchy coastal fog late tonight and Saturday AM, sunny in the afternoon, partly cloudy in the evening, mostly cloudy late  Saturday night.
• AM clouds, sunny Sunday afternoon, partly cloudy Sunday night.
• Mostly sunny Monday, then mostly clear at night.
• lows 55-58 highs 70-72.
• Sunny Tuesday, clear Tuesday night.
• Sunny Wednesday, mostly clear at night. Mostly sunny Thursday, mostly clear in the evening, mostly cloudy late Thursday night and then partly cloudy Friday afternoon.
• highs 76-68 lows 59-56. (seasonal averages high 66 low 51)

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Forecast for the Cascades of Lane County:

• Just partly cloudy tonight (under 0.10 in. of rain possible).
• Mostly sunny and warmer Saturday, clear Saturday night.
• Sunny Sunday and Monday, then mostly clear at night.
• free air freezing level 12,000 ft. rising to 13,000 ft. late tonight, 13,000 ft. Saturday, 13,000 ft. rising to 14,000 ft. Saturday night, 14,000 ft. rising to 15,000 ft. Sunday, 15,000 ft. Sunday night and Monday, then 15,000 ft. rising to 16,000 ft. Monday night.
• lows 43-53 highs 72-76.
• Sunny Tuesday and Wednesday mostly clear skies at night.
• Mostly sunny Thursday AM, partly cloudy with a slight (20%) chance of showers Thursday afternoon and evening, then partly cloudy Thursday night and Friday.
• free air freezing level 15,000 ft. Tuesday through Wednesday, 16,000 ft. falling to 15,000 ft. Wednesday night and Thursday AM, snow level above 8,000 ft. Thursday afternoon and evening, then free air freezing level 14,000 ft. Thursday night and Friday.
• highs 82-69 lows 59-50.

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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 Eugene Daily News.com.

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