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Tim Chuey Weather

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Here is my weekly weather quiz question. Who worked on mathematical models for weather prediction providing the basis for the first successful numerical (computer) forecasting models? He is also credited with predicting the existence of jet streams and developing the main theories describing their behavior. 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: NONE AT THIS TIME.

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An upper level trough of low pressure (“U” shape) is moving across the Pacific Northwest spreading some showers mainly from the Northern third of Oregon (North of Corvallas) North into Washington. Behind it will be a high pressure ridge (“arch” shape) that should dry us out for a while at least. A new frontal system aims at the Pacific Northwest on Saturday moving in by Sunday. Will it bring just clouds or will we get even more showers?

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Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy this evening, partly cloudy late tonight, a mix of clouds and sun and Friday AM, mostly sunny and warmer in the afternoon, mostly clear Friday night, mostly sunny Saturday, mostly clear Saturday night, mostly sunny Sunday AM, then partly cloudy Sunday afternoon and Sunday night lows 52-46 warming to near 55 by Sunday night highs 79-88. A mix of clouds and sun Monday and Tuesday, partly cloudy Monday night, mostly cloudy Tuesday evening, partly cloudy Tuesday night, then a mix of clouds and sun Wednesday and Thursday, and partly cloudy Wednesday night highs holding near 75 lows 53-50. (seasonal averages high 83 low 51)

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The Pollen forecast for the Eugene/Springfield Area is for weeds to be absent, trees to be low, and Grass to be low. (Provided by Allergy and Asthma Research Group)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy tonight and Friday AM, mostly sunny Friday afternoon, mostly clear Friday night, sunny and warmer Saturday, mostly clear Saturday night, mostly sunny and warmer Sunday, then mostly clear Sunday night lows 56-59 cooling to near 55 Sunday highs 80-90. Sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy Monday night, mostly cloudy Tuesday through Thursday AM, then becoming partly cloudy Thursday afternoon highs 80-82 lows near 55. (seasonal averages high 87 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog late tonight and again Friday AM, mostly sunny in the afternoon, mostly clear this evening, partly cloudy with patchy fog Friday night, mostly cloudy with patchy fog Saturday AM, mostly sunny Saturday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Saturday night and Sunday AM, mostly sunny Sunday afternoon, mostly clear in the evening, partly cloudy Sunday night lows 50-55 highs 65-68 cooling to 65 Sunday. Partly cloudy with a slight (20%) chance of showers Monday AM, partly cloudy in the evening, then mostly cloudy late Monday night through Thursday highs near 66 lows near 54. (seasonal averages high 67 low 53).

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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of showers tonight, a mix of clouds and sun Friday AM, mostly sunny and warmer Friday afternoon, mostly clear Friday night, mostly sunny and warmer Saturday, mostly clear Saturday night, mostly sunny Sunday AM, then partly cloudy and warmer Sunday afternoon and Sunday night snow level above 8,000 ft. tonight, free air freezing level 13,000 ft. Friday and Friday night, 14,000 ft. Saturday, 15,000 ft. Saturday night, 14,000 ft. Sunday, then 13,000 ft. Sunday night  lows 40-47 falling to near 45 Sunday night highs 66-80. A mix of clouds and sun Monday with a slight (20%) chance of showers in the afternoon, then partly cloudy with a slight (20%) chance of showers  Tuesday through Thursday snow level above 8,000 ft. Monday through Thursday highs 62-64 cooling to near 60 Wednesday and Thursday lows 43-40.

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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 EugeneDailyNews.com.

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