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Check out my latest Eugene Daily News Weather Or Not Column Kites Need It And So Do Sail Boats.

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And don’t forget my latest feature story in the continuing series on service club organizations called Oregon Has Two Kinds Of “Elks” Four Legged and Two Legged.

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No winner this week. Here is my weekly weather quiz question for the last time. What is a “Multiple Vortex Tornado?” Here is the correct answer. A Multiple Vortex Tornado is a tornado in which two or more condensation funnels or debris clouds are present at the same time, often rotating about a common center or about each other. Multiple-vortex tornadoes can be especially damaging. I’ll have a new 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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An upper level low pressure area is headed our way.  A frontal system will be approaching the Oregon coast by Sunday, bringing a chance of rain particularly for Sunday night.

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Advisories: None at This Time.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 24 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 10 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 (132)

Trees……….Moderate (30)

Last Counted: 5/23/14

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 this evening, mostly cloudy tonight and Sunday, becoming cloudy with a good (50%) chance of showers Sunday night (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of showers Monday (Memorial Day), partly cloudy with a slight (20%) chance of showers in the evening, mostly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Tuesday, then a (30%) chance of showers at night.
• lows 47-50 cooling to 43 Tuesday night highs 72-65.
• Mostly cloudy with (40%) chance of showers Wednesday, a (30%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
• A mix of clouds and sun Friday, partly cloudy at night,
• Then partly cloudy with a slight (20%) chance of showers Saturday.
• highs 64-74 lows 42-46. (seasonal averages high 69 low 45).

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy tonight and Sunday AM, increasing clouds to mostly cloudy in the afternoon, a slight (20%) chance of showers Sunday night,
• Mostly cloudy with a (30%) chance of showers Monday (Memorial Day), partly cloudy with a slight (20%) chance of showers late Monday night,
• Partly cloudy with a slight (20%) chance of showers Tuesday AM, partly cloudy in the afternoon, then mostly cloudy with a slight (20%) chance of showers Tuesday night.
• lows 50-54 cooling to 47 Tuesday night highs 75-69.
•  Mostly cloudy with a (30%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of showers at night,
• Mostly cloudy with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night and Friday, then mostly cloudy with a slight (20%) chance of showers Friday night and Saturday.
• highs 64-75 lows 45-48. (seasonal averages high 72 low 49)

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

• Mostly cloudy this evening, partly cloudy tonight,
• Mostly cloudy Sunday, mostly cloudy with a (30%) chance of showers at night,
• Mostly cloudy with a (30%) chance of showers Monday (Memorial Day), mostly clear in the evening, partly cloudy late at night,
• Mostly cloudy with a (slight (20%) chance of showers Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night.
• lows 52-50  highs 63-60.
• Mostly cloudy with a (40%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
• Partly cloudy with a slight (20%) chance of showers Thursday and at night,
• Mostly cloudy with a slight (20%) chance of showers Friday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers at night and Saturday.
• highs 60-65 lows 48-53. (seasonal averages high 60 low 48).

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Forecast for the Cascades in Lane County:

• Partly cloudy tonight,
• A mix of clouds and sun Sunday, becoming mostly cloudy with a good (50%) of showers Sunday night,
• Mostly cloudy with a good (50%) chance of showers Monday (Memorial Day), partly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Tuesday, partly cloudy with a (40%) chance of showers at night.
• free air freezing level 11,000 ft. tonight, 10,000 ft. Sunday, snow level above 8,000 ft. Sunday night, 8,000 ft. Monday, 6,500 ft. Monday night and Tuesday, then 6,000 ft. Tuesday night.
• lows 40-42 cooling to 35 Monday night highs 63-52.
• A mix of clouds and sun with a (40%) chance of rain and snow showers Wednesday, Mostly cloudy with a (30%) chance of showers Wednesday night,
• A mix of clouds and sun with a (30%) chance of rain and snow showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night through Friday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Saturday.
• snow level 4,500 ft. Wednesday, 6,000 ft. at night, 5,000 ft. Thursday, 7,500 ft. Thursday night and Friday, 8,000 ft. at night, then 7,500 ft. Saturday.
• highs 50-62 lows 35-38.

**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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