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Check out my latest Eugene Daily News Weather Or Not Column A Perfect Day In Every Way.

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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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Here is my new weekly weather quiz question. What is a “macroburst?”  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 keeping us in sunshine and warm temperatures. An upper level trough of low pressure  (Shaded “U” shape with blue arrows) will bring more onshore flow and cool us down a bit as we approach mid-week.

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Advisories: None at this time.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 45 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 53 in the Moderate 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 (60)

Trees……….Low (9)

Last Counted: 7/8/14

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:

• Partly cloudy tonight,
• Mostly sunny and a bit cooler Wednesday, clear at night,
• Mostly sunny Thursday, mostly clear at night,
• Partly cloudy Friday, then mostly clear Friday night.
• lows 57-50 warming back to 57 Friday night highs 87-89.
• Mostly sunny Saturday through Tuesday, mostly clear each night.
• highs 92-89 lows 58-56. (seasonal averages high 81 low 51)

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a (30%) chance of scattered showers and a slight (20%) chance of thunderstorms this evening (heavy rain possible), mostly cloudy late tonight,
• Partly cloudy Wednesday AM, sunny in the afternoon, mostly clear Wednesday night,
• Partly cloudy in the AM, sunny Thursday afternoon, mostly clear with a slight (20%) chance of evening thunderstorms, partly cloudy  with a slight (20%) chance of showers late Thursday night,
• Mostly sunny with a slight (20%) chance of thunderstorms Friday, then mostly cloudy with a slight (20%) chance of thunderstorms Friday night.
• lows 59-55 warming back to 59 Friday night highs 90-92.
• Mostly sunny Saturday through Tuesday, mostly clear each night.
• highs 94-90 lows 60-57. (seasonal averages high 83 low 56)

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

• Mostly cloudy with a slight (20%) chance of isolated evening inland thunderstorms and breezy (Wind: N 15-25 mph decreasing to N 10-15 mph at the shore late tonight), mostly cloudy late tonight,
• AM clouds, sunny Wednesday afternoon and breezy (Wind: N 5-10 mph increasing to N 20-30 mph in the afternoon at the shore, while  N 5-10 mph inland increasing to N 10-20 mph in the afternoon), partly cloudy in the evening, mostly cloudy Wednesday night and breezy (Wind: N 15-25 mph, decreasing to N 10-15 mph at the shore late, N 10-20 mph decreasing to N 5-10 mph inland late at night),
• Mostly cloudy Thursday AM, sunny in the afternoon, mostly clear in the evening, mostly cloudy late at night,
• Partly cloudy Friday and Friday night.
• lows 58-56 warming back to 58 Friday night highs near 65.
• Partly cloudy Saturday through Monday, mostly clear nights,
• Then mostly sunny Tuesday.
• highs 65-68 lows near 56. (seasonal averages high 64 low 53).

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Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late tonight,
• Mostly sunny Wednesday and Thursday, mostly clear at night,
• Partly cloudy with a slight (20%) chance of showers and thunderstorms Friday afternoon and evening, then a slight (20%) chance of showers late Friday night.
• snow level above 8,000 ft. tonight, free air freezing level 16,000 ft. Wednesday and Wednesday night, 15,000 ft. Thursday and Thursday night, then snow level above 8,000 ft. Friday and Friday night.
• lows 55-45 warming to 53 Friday night highs 77-82.
• Partly cloudy with a slight (20%) chance of showers Saturday and in evening, partly cloudy late at night,
• Partly cloudy Sunday with a slight (20%) chance of afternoon and evening showers and thunderstorms, a slight (20%) chance of showers late Sunday night,
• Partly cloudy Monday with a slight (20%) chance of AM showers, mostly clear at night,
• Then mostly sunny Tuesday.
• snow level above 8,000 ft. Saturday through Monday, then free air freezing level 16,000 ft. Monday night and Tuesday.
• highs 82-77 lows 57-52.

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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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