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Check out my latest Eugene Daily News Weather Or Not Column We Don’t Have Pets, They Have Us.

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And don’t forget my latest feature story in the continuing series on service club organizations called “Assistance” Is Their First Name.

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Here is my new weekly weather quiz question. What is “The Saffir-Simpson Scale?” 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 (Shaded “Arch” shape) will start to slowly dry us out as we get closer to Christmas Day on Thursday. The western end of a frontal system will bend its way back to move onshore increasing our rain chances particularly for Wednesday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter at Amazon Park, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 20 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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Home Wood Heating Advisory:

Eugene/Springfield: YELLOW – Burning is Cautioned Against.

Oakridge: YELLOW – Burning is Cautioned Against.

(The use of Pellet stoves is always allowed.)

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A FLOOD WARNING IS IN EFFECT FOR THE COQUILLE RIVER AT COQUILLE AFFECTING COOS COUNTY AND THE NORTH FORK OF THE COQUILLE RIVER NEAR MYRTLE POINT AFFECTING COOS COUNTY IF YOU LIVE NEAR OR TRAVEL NEAR THESE RIVERS YOU ARE ADVISED TO TAKE PRECAUTIONS BECAUSE FLOODING OVER THE RIVERS BANKS IS EXPECTED.
• A FLOOD WARNING IS IN EFFECT FOR THE LUCKIAMUTE RIVER NEAR SUVER AFFECTING BENTON AND POLK COUNTIES. IF YOU LIVE NEAR OR TRAVEL NEAR THIS RIVER YOU ARE ADVISED TO TAKE PRECAUTIONS BECAUSE FLOODING OVER THE RIVERS BANKS IS EXPECTED.
• NOTE: FOR FLOOD WARNING UPDATES GO TO THE NATIONAL WEATHER SERVICE FLOOD WARNING ADVISORIES SITE.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE AT LOST CREEK LAKE , LOCATED 30 MILES NORTHEAST OF MEDFORD ON THE ROGUE RIVER IN JACKSON COUNTY AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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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 rain tonight (0.10 in. of rain possible) with patchy fog late at night and Tuesday AM, a (40%) chance of AM rain, a slight (20%) chance of rain in the afternoon (under 0.10 in. of rain possible), a good (50%) rain late Tuesday night (0.25 in. of rain possible),
• Mostly cloudy with rain Wednesday (0.75 in. of rain possible), showers likely (60%) Wednesday night (Christmas Eve) with patchy fog late (under 0.10 in. of rain possible),
• Mostly cloudy with patchy fog and a good (50%) chance of showers Thursday (Christmas Day) and at night.
• lows 47-35 highs 55-45.
• A mix of clouds and sun with a (40%) chance of showers Friday, mostly cloudy with a (40%) chance of rain Friday night,
• Mostly cloudy with a good (50%) chance of rain Saturday at night,
• A mix of clouds and sun with a (40%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
• Then just partly cloudy Monday.
• highs 44-40 lows 34-36 cooling to 30 Sunday night. (seasonal averages high 45 low 33).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a (40%) chance of showers late tonight (under 0.10 in. of rain possible) with areas of fog late at night and Tuesday AM, becoming partly cloudy with a slight (20%) chance of rain Tuesday afternoon, areas of evening fog, mostly cloudy with a (30%) chance of rain Tuesday night (under 0.10 in. of rain possible) with areas of fog late at night,
• Mostly cloudy with rain Wednesday (0.45 in. of rain possible), rain and snow showers in the evening, mostly cloudy with rain and snow showers likely (60%) late Wednesday night (Christmas Eve),
• Mostly cloudy with patchy fog and AM rain and snow showers likely (70%) Thursday (Christmas Day), a good (50%) chance of afternoon showers, then mostly cloudy with a slight (20%) chance of showers Thursday night.
• lows 48-37 highs 57-45.
• Partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of rain at night,
• Mostly cloudy with a good (50%) chance of rain Saturday and at night,
• A (30%) chance of rain and snow Sunday, partly cloudy and colder with a slight (20%) chance of showers Sunday night,
• Then just partly cloudy Monday.
• highs 49-42 lows 37-30. (seasonal averages high 47 low 36)

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

• Mostly cloudy with a (40%) chance of showers and areas of fog late tonight (under 0.10 in. of rain possible),
• Mostly cloudy with areas of fog and a slight (20%) chance of showers Tuesday AM, a slight (20%) chance of rain in the afternoon, areas of evening fog, a good (50%) chance of showers late Tuesday night (under 0.10 in. of rain possible),
• Rain Wednesday (0.95 in. of rain possible), showers in the evening, showers (under 0.10 in. of rain possible) likely (60%) late at night (Christmas Eve),
• Mostly cloudy with patchy fog and showers likely (60%) Thursday AM (Christmas Day), then a slight (20%) chance of showers Thursday night.
• lows 52-40 highs 56-48.
• Partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
• Mostly cloudy with a (40%) chance of rain Saturday and at night,
• Mostly cloudy with a (30%) chance of rain Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
• Then just partly cloudy Monday.
• highs 52-49 lows 52-49. (seasonal averages high 51 low 39)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a (40%) chance of rain tonight (under 0.10 in. of rain possible),
• Partly cloudy with a slight (20%) chance of rain Tuesday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
• Mostly cloudy with AM rain, rain and snow Wednesday afternoon, snow showers and colder at night (Christmas Eve),
• Mostly cloudy with snow showers likely (60%) Thursday (Christmas Day) and Thursday night.
• snow level 7,000 ft. tonight, above 8,000 ft. Tuesday and Tuesday night, 7,000 ft. falling to 5,000 ft. Wednesday afternoon, 2,500 ft. Wednesday night, at the surface Thursday, then 2,500 ft. Thursday night.
• lows 34-23 highs 45-30.
• A mix of clouds and sun with a (40%) chance of rain and snow showers Friday, mostly cloudy with a (40%) chance of rain and snow at night,
• Rain and snow likely (70%) Saturday, snow likely (60%) Saturday night,
• Then mostly cloudy with a (40%) chance of snow showers Sunday, partly cloudy with a slight (20%) chance of snow showers at night,
• Then just partly cloudy Monday.
• snow level 2,500 ft. Friday, 4,500 ft. Friday night, 3,500 ft. Saturday, 2,500 ft. Saturday night, at the surface Sunday and Sunday night, then free air freezing level at the surface Monday.
• highs 36-38 cooling to 29 Sunday lows 29-20.

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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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