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Tim Chuey Weather

 

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Check out my latest Eugene Daily News Weather Or Not Column Will We Have To Use The “D” Word This Summer?

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And don’t forget my latest feature story in the continuing series on service club organizations called Who Are The Soroptimists And What Are They Doing?

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Sorry, but no winner for this week. Here is my weekly weather quiz question for the last time. Define “wind shear.” Here is the correct answer.Wind Shear is the rate at which wind velocity changes from point to point in a given direction (as, vertically). The shear can be speed shear (where speed changes between the two points, but not direction), direction shear (where direction changes between the two points, but not speed) or a combination of the two. I’ll have another weekly weather quiz question for you starting 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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The upper airflow has increased the onshore flow and will keep us wet through early today. The last upper low is pushing through today. Drying will start Sunday and continue to at least Wednesday as an upper air high pressure ridge (Shaded “Arch” shape with blue arrows) takes over clearing out the clouds. So far it looks like the 4th of July will be a nice dry day with temperatures that are a bit cooler, but just about normal . With luck it will hold for the holiday weekend too, but we’ll have to wait and see.

 

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Advisories: None at This Time.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 14 in the Good category measuring Ozone at Delight Valley School, Saginaw. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 5 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Eugene-Springfield Pollen Count:

Grass……….High (30)

Trees……….Low (2)

Last Counted: 6/26/14

Data Courtesy of Oregon Allergy Associates.

 

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

  • Clouds start the day with a slight (20%) chance of showers, breaking out to a mix of clouds and sun with a (40%) chance of showers this afternoon (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of showers tonight (under 0.10 in. of rain possible),
  • Partly cloudy and a bit warmer Sunday, mostly clear at night,
  • Sunny and warmer Monday, then clear Monday night.
  • highs 72-84 lows 52-48 warming back to 52 Monday night.
  • Sunny Tuesday, clear at night,
  • Mostly sunny but cooler Wednesday, partly cloudy Wednesday night and Thursday AM, mostly sunny in the afternoon, partly cloudy Thursday night and Friday AM, then mostly sunny Friday afternoon (Independence Day).
  • highs 85-75 lows 54-50. (seasonal averages high 77 low 49)

 

 

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Forecast for the Umpqua Basin including Roseburg:

  • Mostly cloudy with a slight (20%) chance of showers today, partly cloudy this evening, mostly cloudy late at night and Sunday AM, sunny and warmer in the afternoon, mostly clear Sunday night,
  • Sunny and even warmer Monday, then mostly clear Monday night.
  • highs 75-87 lows 56-53 warming to 57 Monday night.
  • Mostly sunny Tuesday through Thursday, mostly clear each night,
  • Partly cloudy Friday AM, then sunny Friday afternoon (Independence Day).
  • highs 90-83 lows 58-55. (seasonal averages high 80 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 showers today (under 0.10 in. of rain possible), mostly cloudy this evening with a slight (20%) chance of coastal showers and just mostly late cloudy tonight,
  • Mostly cloudy Sunday AM, sunny and warmer in the afternoon, mostly clear in the evening, partly cloudy late at night,
  • Sunny and warmer Monday, then partly cloudy at night.
  • highs 62-68 lows 55-53 warming back to 55 Monday night.
  • Partly cloudy Tuesday through Friday (Independence Day).
  • highs 68-62 warming to 65 Friday lows near 55. (seasonal averages high 63 low 52).

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Forecast for the Cascades in Lane County:

  • Mostly cloudy with a good (50%) chance of showers today, partly cloudy with a slight (20%) chance of showers tonight,
  • Partly cloudy and warmer Sunday, mostly clear at night,
  • Sunny and warmer Monday, then clear at night.
  • snow level above 8,000 ft. today and tonight, free air freezing level 13,000 ft. Sunday, 13,000 ft. rising to 14,000 ft. late Sunday night, 14,000 ft. rising to 15,000 ft. Monday, then 15,000 ft. falling to 14,000 ft. Monday night.
  • highs 59-76 lows 40-47.
  • Sunny and warmer Tuesday, clear at night,
  • Mostly sunny and much cooler Wednesday, Thursday, and Friday (Independence Day), mostly clear each night.
  • free air freezing level 14,000 ft. Tuesday, 15,000 ft. Tuesday night, 14,000 ft. Wednesday, 13,000 ft. Wednesday night, 12,000 ft. Thursday, 12,000 ft. Thursday afternoon, then 11,000 ft. Thursday night and Friday.
  • highs 80-63 lows 48-38.

 

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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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