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Check out my latest Eugene Daily News Weather Or Not Column Can Satellites Really Find Contaminated Water?

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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 new weekly weather quiz question. What is a “Geosynchronous Satellite?” 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 with blue arrows)  returned the sunshine for your Sunday, but now frontal system pushed by an upper level low pressure trough (Shaded “U” shape with blue arrows) into Oregon Monday bringing back the rain. A high pressure ridge Shaded “Arch” shape with blue arrows) will take over midweek returning the sunshine and dry weather.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 12 in the Good category measuring Particulate Matter.

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

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Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM THIS EVENING FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.

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

• Mostly cloudy with showers likely (70%) with sun breaks and cooler with a slight (20%) chance of thunderstorms this afternoon (0.25 in. of rain possible, more in storms, small hail possible), mostly cloudy with a slight (20%) chance of evening showers, just mostly cloudy late tonight,
• Patchy AM fog, a mix of clouds and sun Wednesday, partly cloudy Wednesday night and Thursday AM, sunny and warmer in the afternoon, then mostly clear Thursday night.
• highs 55-70 lows 35-40.
• Partly cloudy Friday and Friday night,
• Mostly sunny Saturday and Sunday, mostly clear both nights,
• Then sunny Monday.
• highs 70-72 lows 40-42. (seasonal averages high 60 low 39)
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Eugene-Springfield Pollen Count:

Trees: Very High- 667

Grass: High- 0

Reading as of: 4/11/15

Data courtesy of Oregon Allergy Associates

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with showers and a slight (20%) chance of isolated thunderstorms this afternoon (0.10 in. of rain possible, snow level 2,500 ft.), a slight (20%) chance of isolated evening showers, patchy fog late tonight,
• Patchy AM fog and low clouds, sunny and warmer Wednesday afternoon, mostly clear with patchy fog late at night and Thursday AM, sunny and warmer in the afternoon, then mostly clear Thursday night.
• highs 54-72 lows 32-44.
• Sunny Friday, mostly cloudy in the evening, mostly clear at night,
• Then sunny Saturday, Sunday and Monday, clear each night.
• highs 74-70 warming to 76 Sunday and Monday lows near 45. (seasonal averages high 62 low 42)

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

• Cloudy with showers likely (70%) and cooler with a slight (20%) chance of isolated thunderstorms this afternoon (0.25 in. of rain possible, more in storms, small hail possible), mostly cloudy with patchy inland fog late tonight,
• Mostly cloudy with patchy AM inland fog, partly cloudy Wednesday afternoon and evening, mostly clear late Wednesday night and Thursday AM, sunny and warmer in the afternoon, then clear Thursday night.
• highs 54-62 lows 40-48.
• Sunny Friday AM, partly cloudy in the afternoon, mostly cloudy in the evening, clear skies at night,
• Then sunny Saturday, Sunday and Monday, clear each night.
• highs 58-64 lows 49-45 warming to 48 Sunday night. (seasonal averages high 55 low 43)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with snow showers today (0.25 in. of rain possible, 2-3 in. of snow possible),  a good (50%) chance of rain and snow showers this evening, a slight (20%) chance of rain and snow showers late tonight,
• Partly cloudy in the AM, mostly sunny and just a bit warmer Wednesday, partly cloudy at night,
• Sunny and warmer Thursday, then mostly clear Thursday night.
• snow level at the surface today, 2,500 ft. tonight, free air freezing level 4,000 ft. rising to 5,000 ft. Wednesday afternoon, 8,000 ft. rising to 10,000 ft. Wednesday night, then 10,000 ft. Thursday, then 9,000 ft. Thursday night.
• highs 33-60 lows 23-34.
• Mostly sunny Friday, Saturday, Sunday and Monday with partly cloudy to mostly clear each night.
• free air freezing level 10,000 ft. Friday and Friday night, 9,000 ft. Saturday, 10,000 ft. Saturday night, 9,000 ft. Sunday, then 10,000 ft. Sunday night and Monday.
• highs near 62 lows near 34.
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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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