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Tim Chuey Weather

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Sorry, no winner this week.  Here is my weather quiz question for the last time this week. What is a supercell? Here is the correct answer. A supercell is an often dangerous convective storm with a very organized internal structure including a rotating updraft that allows it to keep going for up to several hours. Supercells are capable of producing severe weather including high winds, large hail, and strong tornadoes. They are most frequently isolated and often develop in the warm air ahead of a squall line. A supercell also usually forms in an environment with strong vertical wind shear that causes the updraft to begin rotating. I’ll have another weekly weather quiz question for you starting next 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: NONE AT THIS TIME

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A  high pressure ridge (Partially shaded “Arch” shape with blue arrows over Western Canada) is bringing continued sunshine to the Pacific Northwest for the whole weekend. A weak frontal system is stalling as it tries to move through Oregon, but will fall apart and have almost no effect on our weather except to cool us down a bit today. A trough of low pressure  (Shaded “U” shape with blue arrows in the Gulf of Alaska) will move closer to the Oregon coast bringing more clouds, but it looks like the chance of precipitation is gone for now.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: A mix of clouds and sun and cooler today, mostly clear this evening, partly cloudy with patchy fog late tonight, patchy AM fog, mostly sunny and a bit warmer Sunday, mostly clear and hazy late Sunday night, mostly sunny, hazy and a bit warmer Monday, then partly cloudy Monday night highs 78-83 lows 42-49. Partly cloudy Tuesday and Tuesday night, a mix of clouds and sun and a bit cooler Wednesday, then partly cloudy Wednesday night through Friday highs 82-70 warming to 78 Friday lows 48-44. (seasonal averages high 72 low 44)

 

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Forecast for the Umpqua Basin including Roseburg: Sunny today, mostly clear tonight, sunny and a bit warmer Sunday, mostly clear Sunday night, mostly sunny and a bit warmer Monday, then mostly clear Monday night highs 82-80 warming to 85 Monday lows 48-52. Partly cloudy and cooler Tuesday through Thursday AM, mostly cloudy in the afternoon, then mostly cloudy with a slight (20%) chance of showers late Thursday night and Friday highs 78-80 lows near 47. (seasonal averages high 74 low 48)

 

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy with patchy fog and a slight (20%) chance of patchy drizzle this AM, mostly sunny this afternoon, mostly clear tonight, sunny Sunday, mostly clear Sunday night, sunny and a bit warmer Monday, then mostly clear in the evening, then partly cloudy late Monday night highs 60-65 lows 47-50. Partly cloudy Tuesday and Tuesday night, just mostly cloudy Wednesday and Wednesday night, then mostly cloudy with a slight (20%) chance of showers Thursday through Friday highs 62-65 cooling to 62 Friday lows near 47. (seasonal averages high 64 low 48).

 

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Forecast for the Cascades of Lane County: Mostly sunny today, mostly clear tonight, sunny Sunday, mostly clear with patchy smoke and haze late Sunday night, mostly sunny and a bit warmer with haze and patchy smoke Monday, partly cloudy and hazy in the evening, then mostly clear Monday night free air freezing level 14,000 ft. today and tonight, then 15,000 ft. Sunday through Monday night highs 69-75 lows near 45. Mostly sunny Tuesday AM, partly cloudy and cooler in the afternoon and Tuesday night, a mix of clouds and sun and cooler Wednesday, partly cloudy Wednesday night through Thursday night, then a mix of clouds and sun Friday free air freezing level 14,000 ft. Tuesday through Wednesday, 13,000 ft. Wednesday night through Thursday night, then 12,000 ft. Friday highs 72-59 lows 42-38.

 

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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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