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Check out my latest Eugene Daily News Weather Or Not Column They Have Been Getting Harder To Find These Days.

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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 new weekly weather quiz question. What is a “theodolite?”  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 high pressure ridge (Shaded “Arch” shape with blue arrows) has been controlling weather allowing temperatures to rise to well above normal. The ridge is moving to the east away from us and low pressure is swinging in from the Northwest. That is increasing the westerly marine flow of air to cool us down quite a bit. A frontal system enhance the cooling trend by Friday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 36 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 47 in the Good category measuring Ozone.

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

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM FRIDAY  FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, FOR THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT AND THE CENTRAL MOUNTAINS OF OREGON FOR GUSTY WINDS AND LOW HUMIDITY.

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

• Clear tonight,
• Sunny Thursday, clear at night,
• Partly cloudy Friday AM, sunny, a bit cooler in the afternoon, mostly clear at night,
• Partly cloudy in the AM, mostly sunny, a bit cooler Saturday afternoon, then mostly clear Saturday night.
• lows 47-45 highs 80-75.
• AM clouds, mostly sunny Sunday afternoon, partly cloudy Sunday night through Tuesday evening, mostly cloudy late at night,
• Then a mix of clouds and sun Wednesday.
• highs 76-70 lows near 47-50. (seasonal averages high 72 low 47)

Eugene-Springfield Pollen Count:

Trees: Low- 14

Grass: Very High- 421

Reading as of: 6/10/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Mostly clear tonight,
• Sunny Thursday, sunny and cooler Friday, clear both nights,
• Mostly sunny and cooler Saturday, then mostly clear Saturday night.
• lows 52-49 highs 87-80.
• Mostly sunny Sunday, mostly clear at night,
• Then partly cloudy Monday through Wednesday.
• highs 82-78 lows 52-49. (seasonal averages high 74 low 51)
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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy at the beaches tonight while mostly clear this evening inland and partly cloudy late at night,
• Mostly cloudy Thursday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late Thursday night and breezy (Wind: N 15-25 mph decreasing to N 10-15 mph late at night),
• Partly cloudy in the AM, sunny Friday afternoon, clear in the evening, partly cloudy late Friday night and breezy (Wind: N 20-25 mph decreasing to N 10-20 mph late tonight at the shore while N 10-15 mph inland at night),
• Partly cloudy Saturday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy late Saturday night.
• lows near 50 highs 60-62.
• Partly cloudy Sunday through Wednesday.
• highs near 60 lows near 50. (seasonal averages high 61 low 50)

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Forecast for the Cascades in Lane County:

• Clear tonight,
• Sunny Thursday, clear at night,
• Partly cloudy Friday AM, mostly sunny and a bit cooler in the afternoon and Saturday, clear Friday night, mostly clear Saturday night.
• free air freezing level 15,000 ft. tonight, 14,000 ft. Thursday, 15,000 ft. Thursday night, 14,000 ft. Friday, 13,000 ft. Friday night, then 12,000 ft. Saturday and Saturday night.
• lows 40-42 cooling to 38 Saturday night highs 70-66.
• Mostly sunny Sunday AM, partly cloudy and a bit warmer in the afternoon through Monday AM, mostly sunny and cooler in the afternoon, partly cloudy Monday night through Tuesday night,
• Then a mix of clouds and sun Wednesday.
• free air freezing level 12,000 ft. Sunday and Sunday night, 11,000 ft. Monday through, 10,000 ft. through Tuesday, 10,000 ft. Tuesday night, then 9,000 ft. Wednesday.
• highs 69-60 lows 38-40.

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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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