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Check out my latest Eugene Daily News Weather Or Not Column It’s 363 Miles Long, But What Is It?

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And don’t forget my latest feature story in the continuing series on service club organizations called This Moose Isn’t Named Bullwinkle.

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And my feature article about Contractors Electric called Is The Ground Wire The White One Or The Black One?

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Here is my weekly weather quiz question. What is “Zero Datum?” 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 trough of low pressure (Shaded “U” shape with blue arrows) will return clouds and rain chance through the weekend. A frontal system will move in keeping the chance for rain with us through the Easter weekend. The Full “Pink” Moon occurs at 5:06 AM Saturday and there will be a total Lunar Eclipse that will be visible in the Pacific Northwest just before dawn. By the look of it a thick cloud cover will be obscuring our view of the moon, but if the clouds do open it is safe to look directly at the Lunar Eclipse.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories:

• A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY.
• A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM FRIDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY AND JACKSON COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy with patchy fog late tonight,
• Patchy early AM fog and a slight (20%) chance of rain, becoming mostly cloudy with rain Friday afternoon (0.25 in. of rain possible), a (40%) chance of showers in the evening, a slight (20%) chance of showers late Friday night (under 0.10 in. of rain possible),
• Partly cloudy with a slight (20%) chance of showers and a bit warmer Saturday, mostly cloudy with a good (50%) chance of showers late Saturday night,
• Mostly cloudy with AM showers likely (60%), showers likely (70%) and a slight (20%) chance of thunderstorms and a bit cooler Sunday (Easter) afternoon and evening, cloudy with a good (50%) chance of showers late Sunday night.
• lows 34-39 highs 55-58 cooling back to 55 Sunday.
• Cloudy with a good (50%) chance of showers Monday and Monday night,
• A (30%) chance of showers Tuesday, mostly cloudy with a (30%) chance of showers at night,
• Just partly cloudy Wednesday and Wednesday night,
• Then a mix of clouds and sun and a bit warmer Thursday.
• highs 54-65 lows near 40. (seasonal averages high 59 low 38)

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Eugene-Springfield Pollen Count:

Trees: High-  114

Grass: Absent- 0

Reading as of: 4/1/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy tonight,
• Partly cloudy with patchy AM frost, becoming mostly cloudy with a (40%) chance of rain Friday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of showers Friday night (under 0.10 in. of rain possible, snow level 3,500 ft.),
• Mostly cloudy with a slight (20%) chance of showers Saturday (under 0.10 in. of rain possible, snow level 3,000 ft.), a (30%) chance of evening showers, showers late at night (0.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late at night),
• Mostly cloudy with AM showers, showers and a slight (20%) chance of thunderstorms Sunday AM (Easter), showers likely (60%) and a slight (20%) chance of thunderstorms in the afternoon, showers likely (70%) with a slight chance of thunderstorms in the evening, then showers likely (70%) late Sunday night.
• lows 35-39 highs 57-50.
• Cloudy with a (40%) chance of rain and snow showers Monday AM, a (40%) chance of showers in the afternoon and evening, mostly cloudy with a (30%) chance of showers Tuesday night,
• Partly cloudy Wednesday and Wednesday night,
• Then mostly cloudy with a slight (20%) chance of rain Thursday.
• highs 56-66 lows near 40. (seasonal averages high 60 low 41)

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

• Partly cloudy tonight and Friday AM, becoming cloudy with showers in the afternoon,
• Mostly cloudy with a slight (20%) chance of rain Friday night (under 0.10 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of coastal showers Saturday AM and showers likely (60%) in the afternoon while a (40%) chance of showers inland (under 0.10 in. of rain possible), becoming cloudy with evening coastal showers likely (60%) with showers and a slight (20%) chance of thunderstorms late Saturday night (0.20 in. of rain possible) while a good (50%) chance of inland evening showers with inland showers late Saturday night,
• Mostly cloudy with showers and a slight (20%) chance of thunderstorms Sunday (Easter), showers likely (70%) with a slight (20%) chance of evening thunderstorms, then showers likely (70%) late Sunday night.
• lows 38-43 highs 53-50.
• Showers likely (70%) Monday and Monday night,
• Cloudy with a good (50%) chance of rain Tuesday AM, a (40%) chance of showers in the afternoon, a slight (20%) chance of showers Tuesday night,
• Partly cloudy Wednesday and Wednesday night,
• Then mostly cloudy with a (30%) chance of rain Thursday.
• highs 52-58 lows near 44. (seasonal averages high 54 low 42)

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Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of snow showers this evening, just partly cloudy late tonight,
• A mix of clouds and sun Friday AM, increasing clouds with rain and snow developing Friday afternoon (0.10 in. of rain possible, 2 in. of snow possible), rain and snow showers likely (70%) in the evening, a slight (20%) chance of rain and snow showers late at night (0.10 in. of rain possible, 1 in. of snow possible),
• A mix of clouds and sun with a slight (20%) chance of rain and snow showers and a bit warmer Saturday, mostly cloudy with a good (50%) chance of evening rain and snow showers, rain and snow showers likely (70%) Saturday night,
• Mostly cloudy with snow showers and a bit cooler Sunday (Easter), cloudy with evening snow showers likely (70%), then a slight (20%) chance of snow showers late Sunday night.
• snow level 4,000 ft. tonight, 3,500 ft. Friday, 4,000 ft. falling to 3,000 ft. late Friday night, 3,000 ft. Saturday, then 3,500 ft. Saturday night, 3,000 ft. Sunday, then 2,500 ft. Sunday night.
• lows 24-26 highs 42-44 cooling to 36 Sunday.
• Cloudy with a good (50%) chance of rain and snow showers Monday through Tuesday, a (40%) chance of rain and snow showers Tuesday night,
• Just partly cloudy and a bit warmer Wednesday and Wednesday night,
• Then a mix of clouds and sun and warmer Thursday.
• snow level 2,500 ft. rising to 4,000 ft. Monday afternoon, 3,500 ft. Monday night and Tuesday, 4,500 ft. Tuesday night, free air freezing level 5,500 ft. Wednesday, 7,000 ft. Wednesday night, then 6,500 ft. Thursday.
• highs 36-48 lows 24-28 cooling back to 24 Tuesday night.

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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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