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Check out my latest Eugene Daily News Weather Or Not Column Can Satellites Really Find Contaminated Water?

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And don’t forget my latest feature story in the continuing series on service club organizations called This Moose Isn’t Named Bullwinkle.

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And my feature article about Contractors Electric called Is The Ground Wire The White One Or The Black One?

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Here is my weekly weather quiz question. What is a “Geosynchronous Satellite?” 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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An upper level ridge of high pressure (Shaded “Arch” shape with blue arrows)  has taken over returning the sunshine and dry weather. Expect temperatures rising into the low 70s to about 80 in the Umpqua Basin which puts us 10 degrees or more above normal. The ridge will weaken a bit allowing a frontal system to cool the temperatures just a bit Friday night and Saturday. A frontal system will approach the coast Tuesday and bring back the chance of rain Tuesday night and Wednesday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

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

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Advisories: None At This Time.

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

• Clear with patchy fog late tonight and Friday AM, mostly sunny and warmer in the afternoon, then mostly clear Friday night,
• Mostly sunny Saturday, clear at night,
• Sunny Sunday, then clear Sunday night.
• lows near 40 highs 72-70 warming to 75 Sunday.
• Sunny Monday, mostly clear at night,
• Partly cloudy and cooler Tuesday, becoming cloudy with a (40%) chance of showers at night and Wednesday, a (30%) chance of showers Wednesday night,
• Then cloudy with a (40%) chance of showers Thursday.
• highs 77-60 lows 45-47 cooling to 42 Tuesday night. (seasonal averages high 61 low 40)
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Eugene-Springfield Pollen Count:

Trees: High- 171

Grass: High- 0

Reading as of: 4/14/15

Data courtesy of Oregon Allergy Associates

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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Sunny and warmer Friday, Saturday, and Sunday, clear each night.
• lows near 44 highs 74-80.
• Mostly sunny Monday, mostly clear at night,
• Mostly cloudy with a slight (20%) chance of thunderstorms Tuesday, cloudy with a (40%) chance of showers Tuesday night through Wednesday night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• highs 78-58 warming to 62 Thursday lows 47-43. (seasonal averages high 62 low 42)

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

• Clear tonight,
• Mostly cloudy at the shore Friday AM and sunny in the afternoon while just sunny inland, mostly clear Friday evening, partly cloudy late Friday night,
• Partly cloudy Saturday AM, sunny in the afternoon and Sunday, clear both nights.
• lows 46-43 warming to 48 Saturday night and Sunday night highs 58-64.
• Mostly sunny Monday, mostly clear Monday night,
• Mostly cloudy with a slight (20%) chance of showers Tuesday, cloudy with a (40%) chance of showers Tuesday night through Wednesday night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• highs 60-55 warming to 58 Thursday lows 50-47. (seasonal averages high 55 low 43)

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Forecast for the Cascades in Lane County:

• Clear tonight,
• Mostly sunny Friday and Saturday, mostly clear at night,
• Sunny and warmer Sunday, then clear at night.
• free air freezing level 11,000 ft. tonight and Friday, 10,000 ft. Friday night and Saturday, 11,000 ft. Saturday night and Sunday, then 10,000 ft. Sunday night.
• lows 28-34 highs 69-48.
• Mostly sunny Monday, partly cloudy with a slight (20%) chance of showers Monday night,
• A mix of clouds and sun with a slight (20%) chance of showers and cooler Tuesday, becoming cloudy with a good (50%) chance of showers Tuesday night and Wednesday (cooler), a good (50%) chance of rain and snow showers at night,
• Then cloudy and cooler with a (40%) chance of rain and snow showers Thursday.
• free air freezing level 10,000 ft. Monday, snow level above 8,000 ft. Monday night through Tuesday night, 6,000 ft. Wednesday, 5,000 ft. Wednesday night, then 4,500 ft. Thursday.
• highs 67-65 lows 33-36.
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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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