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Check out my column for the Eugene Daily News What I Used To Call Unusual. My newest column will start Monday.
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No winner this week. Here is my weekly weather quiz question for the last time. What is “orographic lifting?” Here is the correct answer. Orographic Lifting is the same as Upslope Flow. It occurs when air is forced to rise and cool due to terrain features such as hills or mountains. If the cooling is sufficient, water vapor condenses into clouds. Additional cooling results in rain or snow. It can cause extensive cloudiness and increased amounts of precipitation in higher terrain. I’ll have a new weekly weather quiz question starting Monday. 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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Upper level high pressure (Shaded “Arch” shape) has brought plenty of sunshine back, at least for your most of your workweek. A trough of low pressure will push the ridge westward a little just enough to increase our clouds a bit. Another upper low will bring the slight chance of showers back by Friday night into the weekend. Tomorrow, Monday April 22nd is “Earth Day.” Celebrate our Earth by doing your best to help clean it up. Whether you believe in “Global Warming” or not doesn’t matter. If we all work together we can at the least make our planet more livable.
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Advisories: NONE AT THIS TIME.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy this evening, mostly cloudy late tonight, partly cloudy with patchy fog very late tonight and Monday AM, sunny Monday afternoon, Tuesday, and Wednesday, clear Monday night and Tuesday night, then mostly clear Wednesday night lows 42-32 warming to 42 Wednesday night highs 66-76. Partly cloudy Thursday through Friday, partly cloudy with a slight(20%) chance of showers Friday night, then a mix of clouds and sun with a slight (20%) chance of showers Saturday and Sunday while mostly cloudy with a slight (20%) chance of showers Saturday night highs 69-62 lows near 45. (seasonal averages high 62 low 40)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy tonight, mostly cloudy Monday AM, sunny in the afternoon, clear with patchy frost very late at night and early Tuesday AM, sunny Tuesday afternoon and Wednesday while clear Tuesday night and Wednesday night lows 44-36 warming to 45 Wednesday night highs 72-76. Sunny Thursday, partly cloudy Thursday night through Friday night, mostly cloudy Saturday, then mostly cloudy with a slight (20%) chance of showers Saturday night and Sunday highs 75-63 warming to 68 Sunday lows near 45. (seasonal averages high 64 low 43)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, mostly cloudy late tonight, partly cloudy Monday AM, sunny in the afternoon, clear Monday night, then sunny Tuesday and Wednesday while clear at night lows 42-38 warming to 47 Wednesday night highs 63-60. Sunny Thursday, partly cloudy Thursday night through Friday night, then mostly cloudy with a slight (20%) chance of showers Saturday through Sunday highs 55-60 lows near 47. (seasonal averages high 56 low 44)
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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of showers late tonight, mostly sunny Monday, clear at night, sunny Tuesday, then clear Tuesday night, sunny Wednesday, then mostly clear Wednesday night free air freezing level 5,500 ft. tonight, 6,500 ft. rising to 7,000 ft. Monday, 9,000 ft. Monday night, 9,000 ft. rising to 10,000 ft. Tuesday afternoon, 9,000 ft. at night, then 10,000 ft. Wednesday and Wednesday night lows 30-27 warming to 35 Wednesday night highs 50-62. Mostly sunny Thursday, partly cloudy with a slight (20%) chance of showers at night, a mix of clouds and sun with a slight (20%) chance of showers Friday, Saturday, and Sunday while mostly cloudy with a slight (20%) chance of showers each night free air freezing level 10,000 ft. Thursday, snow level above 8,000 ft. Thursday night through Friday night, 8,000 ft. Saturday, above 8,000 ft. at night, then 8,000 ft. Sunday highs 57-50 lows 36-33.
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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 news on-line at Eugene Daily News.com.
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