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Check out my latest Eugene Daily News Weather Or Not Column Am I Still Less Of A “Pain” Than I Used To Be?

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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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Sorry no winner this week. Here is my weekly weather quiz question for the last time. What is a “wall cloud?” Here is the correct answer. A Wall Cloud is a localized, persistent, often abrupt lowering from a rain-free base. Wall clouds can range from a fraction of a mile up to nearly five miles in diameter, and normally are found on the south or southwest (inflow) side of the thunderstorm. When seen from within several miles, many wall clouds exhibit rapid upward motion and cyclonic rotation. However, not all wall clouds rotate. Rotating wall clouds usually develop before strong or violent tornadoes, by anywhere from a few minutes up to nearly an hour. Wall clouds should be monitored visually for signs of persistent, sustained rotation and/or rapid vertical motion. 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 ridge of high pressure (“Arch” shape in blue arrows) centered off the West Coast will keep the clouds away and keep our weather dry with plenty of sunshine through Wednesday as it slowly moves to the east. With the northwest airflow we may see enough moisture for early morning and late night clouds, but the chance of precipitation will hold off until Thursday as a frontal system approaches Wednesday then moves through.

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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 11 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……….Very High (708)

Trees……….Low (9)

Last Counted: 6/6/14

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:

• Mostly clear tonight,
• AM clouds, partly cloudy Monday afternoon and Monday night,
• A mix of clouds and sun Tuesday, partly cloudy at night,
• A mix of clouds and sun in the AM, mostly sunny Wednesday afternoon, partly cloudy in the evening, then mostly cloudy late Wednesday night.
• lows 50-45 warming back to near 50 Wednesday night highs 74-72 warming to 77 Wednesday.
• Mostly cloudy with a (40%) chance of showers Thursday through Friday, a slight (20%) chance of showers Friday night and Saturday, partly cloudy Saturday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Sunday afternoon.
• highs 79-72 cooling to near 66 Sunday lows 49-46. (seasonal averages high 71 low 47).

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Forecast for the Umpqua Basin including Roseburg:

• Clear this evening, partly cloudy with patchy fog late tonight,
• Mostly cloudy with patchy fog Monday AM, partly cloudy in the afternoon, mostly clear Monday night,
• Mostly cloudy Tuesday AM, sunny in the afternoon, mostly clear Tuesday night,
• Partly cloudy Wednesday AM, sunny in the afternoon, then partly cloudy with a slight (20%) chance of showers Wednesday night.
• lows 56-50 highs near 78.
• Partly cloudy with a slight (20%) chance of  showers Thursday and in the evening, mostly cloudy with a slight (20%) chance of showers late at night,
• Partly cloudy with a slight (20%) chance of showers Friday and at night,
• Just partly cloudy Saturday and Saturday night,
• Partly cloudy Sunday AM, then mostly cloudy with a slight (20%) chance of showers Sunday afternoon.
• highs 74-77 cooling to near 72 Sunday lows 50-52. (seasonal averages high 74 low 51)

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

• Clear this evening, mostly cloudy with patchy fog late tonight,
• Mostly cloudy with patchy AM fog, mostly cloudy and breezy (Wind: N 15-25 mph) Monday afternoon, clear in the evening, becoming mostly cloudy late Monday night, breezy (Wind: N 15-25 mph decreasing to N 10-15 mph late at night,
• Mostly cloudy Tuesday AM, sunny in the afternoon, partly cloudy in the evening, mostly cloudy at night,
• Mostly cloudy Wednesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of showers late Wednesday night.
• lows 55-50 warming to 53 Wednesday night highs near 63.
• Partly cloudy with a slight (20%) chance of showers Thursday and in the evening, mostly cloudy with a slight (20%) chance of showers late Friday night,
• Partly cloudy Saturday and Saturday night,
• Then mostly cloudy with a slight (20%) chance of showers Sunday afternoon.
• highs 62-65 cooling to near 60 Sunday lows near 52. (seasonal averages high 61 low 50).

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Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Mostly sunny Monday, Tuesday, and Wednesday, mostly clear Monday night and Tuesday night, breezy Tuesday night (Wind: NW 15-25 mph, decreasing to NW 5-10 mph late), partly cloudy Wednesday evening, then mostly cloudy late Wednesday night.
• free air freezing level 14,000 ft. tonight, 13,000 ft. Monday and Monday night, 12,000 ft. Tuesday, 13,000 ft. Tuesday night and Wednesday, then partly cloudy in the evening and mostly cloudy late Wednesday night.
• lows 40-38 highs 66-60 warming to 65 Wednesday.
• A mix of clouds and sun with a slight (20%) chance of showers Thursday, mostly cloudy with a (40%) chance of showers at night,
• Mostly cloudy with a (30%) chance of rain and snow showers Friday, partly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Saturday, partly cloudy at night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Sunday.
• snow level above 8,000 ft. Thursday, 6,000 ft. Thursday night, 5,000 ft. Friday, 7,000 ft. Friday night, 7,500 ft. Saturday, free air freezing level 10,000 ft. Saturday night, then snow level above 8,000 ft. Sunday.
• highs 60-57 lows near 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 Eugene Daily News.com.

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