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Check out my latest Eugene Daily News Weather Or Not Column Who Came Up With That “Cool Idea?”

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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 “parhelion?”  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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A trough of low pressure (“U” shape in blue arrows) brought us a chance of showers by sending a frontal system through the Pacific Northwest. The sun will return and temperatures will warm up as we approach the weekend.

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Advisories:

• A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 11 PM TODAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING FOR FREEMONT WINEMA NATIONAL FOREST AND ADJACENT DESERTS TO THE EAST INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
• A RED FLAG WARNING IS IN EFFECT UNTIL 5 PM TODAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST MINUS -SISTERS RANGER DISTRICT.
• A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING FOR THE EAST SLOPES OF THE OF THE NORTHERN OREGON CASCADES, THE LOWER COLUMBIA BASIN OF OREGON, THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS, THE CENTRAL BLUE MOUNTAINS, AND THE WALLOWA DISTRICT.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 16 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 12 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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms this evening, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
• Mostly cloudy with a slight (20%) chance of showers in the AM, mostly cloudy and warmer with sun breaks late Thursday afternoon, mostly clear at night,
• Partly cloudy in the AM, mostly sunny Friday afternoon, mostly clear at night,
• Mostly sunny Saturday, then mostly clear Saturday night.
• lows 52-49 warming to 58 Saturday night highs 77-92.
• Mostly sunny Sunday through Wednesday, mostly clear at night.
• highs 93-87 lows 60-56. (seasonal averages high 86 low 57)

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy with a slight (20%) chance of showers this evening, partly cloudy tonight (under 0.01 in. of rain possible),
• Partly cloudy Thursday AM, sunny and warmer Thursday afternoon, clear at night,
• Sunny Friday and Saturday, then clear at night.
• lows 53-60 highs 79-92.
• Sunny Saturday, clear at night,
• Mostly sunny Sunday and Monday, mostly clear at night,
• Mostly sunny Tuesday and Wednesday, mostly clear Tuesday night.
• highs 93-95 cooling to near 90 Wednesday lows near 62. (seasonal averages high 86 low 57)

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

• Partly cloudy with a slight (20%) chance of showers this evening, mostly cloudy with patchy coastal fog late tonight,
• Partly cloudy with patchy AM coastal fog, sunny Thursday afternoon, clear at night,
• Sunny Friday, mostly clear at night,
• Mostly sunny Saturday, then mostly clear at night.
• lows 53-60 highs near 65.
• Mostly sunny Sunday through Wednesday, mostly clear each night.
• highs near 64 lows near 56. (seasonal averages high 65 low 53).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with showers a slight (20%) chance of thunderstorms this evening, a good (50%) chance of showers and colder late tonight (gusty winds and small hail possible),
• Partly cloudy with a slight (20%) chance of showers Thursday AM, just partly cloudy in the afternoon, mostly clear Thursday night,
• Mostly sunny and warmer Friday, mostly clear Friday night,
• Sunny Saturday, clear at night.
• snow level 7,500 ft. tonight, 7,000 ft. Thursday AM, free air freezing level 12,000 ft. Thursday night, 13,000 ft. Friday, 14,000 ft. Friday night, then 15,000 ft. Saturday and Saturday night.
• lows 38-52 highs 64-83.
•  Mostly sunny Sunday AM,  partly cloudy with a slight (20%) chance of showers and thunderstorms in the afternoon and Sunday night,
• Partly cloudy in  the AM, mostly sunny Monday, Tuesday, and Wednesday, with mostly clear nights.
• snow level above 8,000 ft. Sunday and Sunday night, free air freezing level 14,000 ft. Monday, then 15,000 ft. Monday night through Wednesday.
• highs 83-78 lows near 53.

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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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