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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is “ablation?” Here is the answer. Ablation is defined as depletion of snow and ice by melting and evaporation. It is something we don’t see very often in the Valley. 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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Advisories: There is a Green Algae warning that continues for Dexter Reservoir. Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities.
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An upper level low (Shaded “U” or “O” shape off the coast of northern California) will push northeastward Wednesday allowing for some cooling, then more warming followed by slight cooling. It looks like the workweek will be much the same as the weekend was.
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The Grass Pollen Count is listed as Moderate at 16 and Tree pollen is Low at 3 as of 7/12/13 according to Oregon Allergy Associates.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Clear tonight, sunny and warmer Monday, mostly clear at night, mostly sunny and a bit warmer Tuesday, then partly cloudy Tuesday night, mostly cloudy Wednesday AM, mostly sunny and a bit cooler in the afternoon, then partly cloudy at night lows 50-55 cooling to near 50 Wednesday night, highs 87-90 cooling to 84 Wednesday. Mostly sunny Thursday, partly cloudy at night and Friday AM, mostly sunny and a bit cooler Friday afternoon, mostly clear at night, partly cloudy Saturday AM, sunny and a bit cooler in the afternoon, mostly clear at night, then mostly sunny Sunday highs 90-86 lows near 53. (seasonal averages high 82 low 52)
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Forecast for the Umpqua Basin including Roseburg: Clear tonight, sunny Monday, mostly clear at night, sunny with a slight (20%) chance of thunderstorms Tuesday afternoon, mostly clear at night, mostly cloudy Wednesday AM, sunny in the afternoon, mostly clear at night lows 55-58 cooling to 55 Wednesday night highs 93-90. Mostly sunny Thursday, partly cloudy Thursday night and Friday, mostly clear at night, mostly sunny Saturday, clear at night, then sunny Sunday highs 90-93 cooling to near 90 Sunday lows near 56. (seasonal averages high 84 low 56)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening and cloudy with patchy fog late at night at the shore while clear this evening and partly cloudy late tonight inland, cloudy Monday AM with patchy coastal fog, sunny in the afternoon, mostly clear in the evening, partly cloudy late Monday night, patchy fog Tuesday AM, mostly cloudy in the afternoon, partly cloudy in the evening, then mostly cloudy Tuesday night lows near 54-52 highs 69-66. Partly cloudy Thursday through Sunday highs near 68-64 lows near 54. (seasonal averages high 65 low 53)
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Forecast for the Cascades of Lane County: Clear tonight, sunny Monday, partly cloudy with a slight (20%) chance of evening thunderstorms, just partly cloudy late at night, partly cloudy with a slight (20%) chance of showers and thunderstorms Tuesday afternoon and evening, partly cloudy Tuesday night, mostly sunny Wednesday, then mostly clear at night free air freezing level 14,000 ft. tonight and Monday, snow level above 8,000 ft. Monday night through Tuesday night, free air freezing level 14,000 ft.Wednesday, then 14,000 ft. rising to 15,000 ft Wednesday night lows near 50 highs 76-78 cooling to 75 Wednesday. Mostly sunny Thursday through Sunday free air freezing level 15,000 ft. Thursday, 15,000 ft. rising to 16,000 ft. at night, then 16,000 ft. Thursday night through Sunday highs 79-76 lows near 50.
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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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