Life In LC

Look for plenty of sunshine today, then a slight chance of showers returning tonight.

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Check out my latest Eugene Daily News Weather Or Not Column I Wonder How The Dam Thing Works and my new Feature Story How Medical Science Changed My Life.

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We have a winner!

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Congratulations to Josh Foster for being the first person to post the correct answer my new weekly weather quiz question. Here is the question again. Please define “a warm occlusion” and no it has nothing to do with a dental overbite. Here is Josh’s correct answer: In a warm occlusion, the air mass overtaking the warm front is not as cool as the cold air ahead of the warm front, and rides over the colder air mass while lifting the warm air. There are both warm and cold occluded fronts. Josh wins a week of free personalized weather forecasts tailored to his needs. I’ll have a new weekly weather quiz question starting next Monday. 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:

There is a Blue-Green Algae warning that continues for Dexter Reservoir and Dorena Reservoir, and now Fern Ridge Reservoir has been added to the list. 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 low (“U” shape with blue arrows) along the coast will continue to send disturbances our way including this frontal system that is moving toward the Pacific Northwest. The front has already fallen apart before penetrating the coast. We will warm up a bit then cool back down again. Yet another frontal system will move into Oregon over the weekend.

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The Grass Pollen Count is listed as Absent at 0 and Tree pollen is Low at 2 as of 8/27/13 according to Oregon Allergy Associates.

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

  • Mostly cloudy this AM, a mix of clouds and sun this afternoon, partly cloudy this evening, mostly cloudy with a slight (20%) chance of showers late tonight.
  • Mostly cloudy Thursday AM with a (30%) chance of rain, a mix of clouds and sun with a good (50%) chance of showers in the afternoon, mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Thursday night.
  • AM clouds, partly cloudy Friday, partly cloudy with patchy fog late Friday night.
  • highs 85-80 lows 58-56.
  • Patchy AM fog, a mix of clouds and sun Saturday, partly cloudy in the evening, mostly cloudy Saturday night.
  • Mostly cloudy with a slight (20%) chance of showers Sunday afternoon through Monday (Labor Day), then mostly cloudy with a slight (20%) chance of showers Monday night and Tuesday.
  • highs 80-74 warming to 77 Tuesday lows near 54. (seasonal averages high 81 low 50)

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Forecast for the Umpqua Basin including Roseburg:

  • Mostly cloudy today, partly cloudy this evening, mostly cloudy late tonight and Thursday AM, partly cloudy with a (30%) chance of rain Thursday afternoon, partly cloudy in the evening and mostly cloudy with a slight (20%) chance of showers late at night.
  • Partly cloudy with a slight (20%) chance of showers Friday afternoon, then just mostly cloudy Friday night.
  • highs 86-83 lows 62-58.
  • Mostly cloudy  Saturday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Saturday night.
  • Mostly cloudy with a slight (20%) chance of showers Sunday through Monday (Labor Day), partly cloudy in the evening and mostly cloudy with a slight (20%) chance of showers late Monday night.
  • Mostly cloudy with a slight (20%) chance of showers Tuesday AM, then partly cloudy Tuesday afternoon.
  • highs 84-78 warming to near 80 Tuesday lows 59-55. (seasonal averages high 83 low 54)

 

 

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

  • Mostly cloudy with a slight (20%) chance of coastal rain today and tonight (under 0.10 in. of rain possible).
  • Mostly cloudy with a (40%) chance of rain Thursday (under 0.01 in. of rain possble),  a slight (20%) chance of coastal showers late Thursday night while partly cloudy with a slight chance of inland showers in the evening then mostly cloudy late Thursday night.
  • Mostly cloudy with a slight (20%) chance of showers Friday, then just mostly cloudy Friday night.
  • highs 70-68 lows 59-56.
  • Mostly cloudy Saturday, a slight (20%) chance of showers late Saturday night.
  • Mostly cloudy with a (30%) chance of showers Sunday and Sunday night.
  • Mostly cloudy with a slight (20%) chance of showers Monday (Labor Day) through Tuesday.
  • highs 68-64 warming to 66 Tuesday lows near 55. (seasonal averages high 66 low 52)

 

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Forecast for the Cascades of Lane County:

  • Partly cloudy with a slight (20%) chance of showers this afternoon and evening, partly cloudy late tonight.
  • A mix of clouds and sun with a slight (20%) chance of rain Thursday, partly cloudy  with a slight (20%) chance of showers Thursday night.
  • Then just partly cloudy Friday and Friday night.
  • snow level above 8,000 ft. today through Thursday night, free air freezing level 13,000 ft. rising to 14,000 ft. Friday, then 14,000 ft. rising to 15,000 ft. Friday night.
  • highs 73-69 lows near 47.
  • Partly cloudy Saturday and Saturday night.
  • A mix of clouds and sun with a slight (20%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night.
  • Mostly cloudy with a (40%) chance of showers Monday (Labor Day), mostly cloudy with a slight (20%) chance of showers at night, then a mix of clouds and sun with a slight (20%) chance of showers Tuesday.
  • free air freezing level 15,000 ft. Saturday, 15,000 ft. falling to 12,000 ft. late Saturday night, then snow level above 8,000 ft. Sunday through Monday.
  • highs 69-62 warming to 65 Tuesday lows 46-43.

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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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For more click to continue on to http://timchueyweather4u.com/blog

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