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Tim Chuey Weather

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Here is my new weekly weather quiz question. What is the difference between Doppler Radar and the older generation radar? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs.

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The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure a (“U” shape offshore) sliding Eastward into the coast as a frontal system moved slowly away from the Pacific Northwest with colder air behind it. Notice that the jet stream airflow is set up so that it brings the colder air in from the north and northwest through New Years Day weekend.

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FLOOD WARNINGS ARE IN EFFECT FOR PARTS OF WESTERN OREGON:

LATEST FLOOD WARNINGS

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Advisories:   NONE AT THIS TIME.

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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:  AM clouds today with a (30%) chance of showers (snow level 1,000 ft.) , a mix of clouds and sun this afternoon, mostly clear tonight, mostly sunny Friday, and mostly clear Friday night (New Years Eve) highs 42-38 lows 26-22. Mostly sunny Saturday (New Years Day), mostly clear Saturday night, a mix of clouds and sun Sunday, partly cloudy with a slight (20%) chance of rain Sunday night, a (30%) chance of rain Monday, a slight (20%) chance of rain Monday night through Tuesday night, and a good (50%) chance of rain Wednesday highs 36-46 lows 23-37. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg:  Rain and snow showers this AM, a good (50%) chance of rain and snow showers in the afternoon (snow level 500 ft. rising to 1,000 ft. in the afternoon, 1 in. of snow possible), mostly cloudy with patchy fog and freezing fog tonight and Friday AM, a slight (20%) chance of rain and snow Friday afternoon (snow level 1,000 ft.), then mostly cloudy in the evening, and becoming partly cloudy with a slight (20%) chance of rain and snow (snow level 1,000 ft.) Friday night (New Years Eve) highs 44 lows 28-24. Partly cloudy Saturday (New Years Day), and mostly cloudy Saturday night and Sunday, mostly cloudy with a slight (20%) chance of rain Sunday night, mostly cloudy with a (40%) chance of rain Monday, a (30%) chance of showers Monday night through Tuesday night, and a (40%) chance of rain Wednesday highs 40-46 lows near 32-38. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: AM coastal showers, then a good (50%) chance of afternoon showers with AM rain and snow showers likely (60%) inland and a good (50%) chance of afternoon rain and snow showers (snow level 1,000 ft. rising to 1,500 ft.), mostly cloudy with patchy coastal fog late tonight and patchy fog and freezing fog inland late at night, patchy AM fog with a slight (30%) chance of coastal rain, patchy AM fog and freezing fog  inland with a slight (20%) chance of a chance of rain and snow (snow level 1,000 ft.),  mostly cloudy with a slight (20%) chance of rain Friday night (New Years Eve) (snow level 1,500 ft.), a slight (20%) chance of showers Saturday (New Years Day) and mostly cloudy Saturday night highs near 45 lows 34-39.  Mostly cloudy with a slight (20%) chance of showers Sunday, then a (40%) chance of rain Sunday night and Monday, a (30%) chance of showers Monday night through Tuesday night, and a good (50%) chance of rain Wednesday highs 47-50 lows near 36-43. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers likely (60%) this AM, a  (20%) chance of afternoon snow showers (1-2 in. of snow possible), becoming mostly clear and colder tonight (wind chill temps to -10 in higher exposed areas), mostly sunny Friday (wind chill temps to -10 in higher exposed areas), mostly clear Friday night (New Years Eve), mostly sunny Saturday (New Years Day), partly cloudy Saturday night, a mix of clouds and sun Sunday, mostly cloudy with a slight (20%) chance of snow Sunday night snow level at the surface today, free air freezing level at the surface tonight through Friday night, 2,000 ft. Saturday through Sunday, snow level at the surface Sunday night highs 26-32 lows 12-10.  Mostly cloudy with a slight (20%) chance of snow Monday, then a (40%) chance of snow or rain Monday night through Wednesday snow level at the surface Monday, 3,000 ft. Monday night,  3,500 ft. Tuesday, rising to 3,000 ft. Tuesday night, and  4,000 ft. Wednesday highs 33-37 lows 22-30.

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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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