_________________

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

_____

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

_____

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

__________________

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.

________________

An upper level ridge of high pressure (Shaded “Arch” shape with blue arrows)  returned the sunshine for your Sunday. A frontal system will move through today to bring back the rain.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

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

________________

Advisories:

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

________________

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

• Becoming mostly cloudy with rain this afternoon (0.25 in. of rain possible), rain this evening, showers likely (70%) late tonight (0.25 in. of rain possible),
• Showers likely (70%) and cooler with a slight (20%) chance of thunderstorms Tuesday (0.25 in. of rain possible, more in storms), partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Tuesday night (under 0.10 in. of rain possible) through Wednesday night,
• highs 57-54 warming to 60 Wednesday lows 38-35.
• Mostly sunny and warmer Thursday, partly cloudy Thursday night through Friday night,
• Then mostly sunny Saturday and Sunday, with mostly clear skies Saturday night.
• highs near 70 lows near 40. (seasonal averages high 60 low 39)
  ___

Eugene-Springfield Pollen Count:

Trees: Very High- 667

Grass: High- 0

Reading as of: 4/11/15

Data courtesy of Oregon Allergy Associates.

_________________

Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with rain this afternoon and evening (0.10 in. of rain possible), rain and snow showers late tonight (0.30 in. of rain possible, snow level 3,000 ft. late tonight),
• Mostly cloudy with a good (50%) chance of showers Tuesday (0.10 in. of rain possible), a good (50%) chance of afternoon showers (snow level 2,500 ft. rising to 3,000 ft. in the afternoon), mostly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Tuesday night,
• Sunny and warmer Wednesday, mostly clear at night.
• highs 62-55 warming to 65 Wednesday lows 40-36 warming back to 40 Wednesday night.
• Sunny Thursday, Friday, Saturday and Sunday, clear each night.
• highs 74-72 warming to 77 Sunday lows near 45. (seasonal averages high 62 low 42)

________________

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

• Mostly cloudy with a coastal rain this afternoon and evening (0.30 in. of rain possible), coastal showers likely (70%) with a slight (20%) chance of thunderstorms late tonight while inland showers and a slight (20%) chance of thunderstorms late tonight (0.30 in. of rain possible),
• Mostly cloudy with a good (50%) chance of coastal showers and a slight (20%) chance of thunderstorms Tuesday AM while AM inland showers likely (70%), a good (50%) chance of  afternoon showers (0.10 in. of rain possible), mostly cloudy Tuesday night,
• Sunny Wednesday, then mostly clear at night,
• highs 54-52 warming to 57 Wednesday lows 40-44.
• Sunny Thursday, clear Thursday night,
• Mostly sunny Friday, mostly clear at night,
• Then sunny Saturday and Sunday with clear skies Saturday night.
• highs 63-60 warming to 64 Sunday lows near 47. (seasonal averages high 55 low 43)

________________

Forecast for the Cascades in Lane County:

• Becoming mostly cloudy with a good (50%) chance of rain and snow this afternoon (0.10 in. of rain possible), rain and snow this evening, snow showers late tonight (0.75 in. of rain possible, 3-7 in. of snow possible),
• Mostly cloudy with snow showers Tuesday (0.25 in. of rain possible, 1-3 in. of snow possible),  snow showers good (50%) chance of rain and snow showers in the evening, a slight (20%) chance of rain and snow showers late Tuesday night,
• Partly cloudy and a bit warmer Wednesday, then mostly clear at night.
• snow level 5,500 ft. this afternoon, 4,500 ft. falling to 2,500 ft. late tonight, at the surface Tuesday, 3,000 ft. Tuesday night, free air freezing level 4,000 ft. rising to 5,500 ft. Wednesday, then 8,000 ft. Wednesday night.
• highs 50-36 warming back to 50 Wednesday lows 26-23 warming to 30 Wednesday night.
• Mostly sunny Thursday, Friday, Saturday, and Sunday and mostly clear to partly cloudy each night.
• free air freezing level 9,000 ft. Thursday, 10,000 ft. Thursday night  through Saturday night, then 11,000 ft. Sunday.
• highs 60-58 lows near 35.
  ________________

**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.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________