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Tim Chuey Weather
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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is the “free air freezing level” we refer to in the Cascades weather forecasts? Please define what it is. Here is the answer. The free air freezing level is referring to the height at which the temperature of the atmosphere drops to 0 deg C.  The  ”free air” freezing level is meant to distinguish in complex terrain such as mountains between subfreezing air which can settle in low areas such as valleys due to temperature inversions and the actual freezing level which is aloft in the atmosphere. I’ll have another weekly weather quiz question for you 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.

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Advisories: NONE AT THIS TIME.

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An upper level low will be swinging from offshore into southern British Columbia and the northern part of of the Pacific Northwest of the US. It will only provide some clouds, but no precipitation with the exception of as little coastal drizzle.
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The pollen count for the Eugene-Springfield area is:
Grass- Moderate (8)  (Observation: It looks like the grass pollen season is just about over,                                               since grass is just barely in the moderate category, by 1.)
Trees- Low (7)
Data from Oregon Allergy Associates www.oregonallergyassociates.com.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy tonight, cloudy Sunday AM, a mix of clouds and sun and a bit cooler Sunday afternoon, partly cloudy Sunday night and Monday AM, mostly sunny and warmer Monday afternoon, partly cloudy Monday night and Tuesday AM, mostly sunny Tuesday afternoon, then mostly clear Tuesday night lows 52-48 warming to 53 Tuesday night highs 75-84. Mostly sunny Wednesday through Saturday with mostly clear nights highs 82-78 lows near 53. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, partly cloudy tonight, mostly cloudy with patchy fog and drizzle Sunday AM, sunny Sunday afternoon, mostly clear Sunday night, partly cloudy Monday AM, sunny in the afternoon, mostly clear Monday night, mostly sunny Tuesday, then mostly clear Tuesday night lows 56-53 warming to 57 Tuesday night highs 79-85 warming to 82 Monday. Mostly sunny Wednesday and Thursday with mostly clear nights, partly cloudy Friday AM, sunny Friday afternoon, then partly cloudy Friday night and Saturday highs 85-80 lows 57-54. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, mostly cloudy with patchy fog and drizzle late tonight and Sunday AM, sunny in the afternoon, mostly clear Sunday evening, partly cloudy at night and Monday AM, sunny Monday afternoon, mostly clear in the evening, partly cloudy and breezy (wind: N 20-25 mph decreasing to N 10-20 late at night along the shore and N 15-20 mph decreasing to N 5-10 mph late inland) Monday night, partly cloudy Tuesday AM, sunny in the afternoon, then partly cloudy Tuesday night lows 55-50 highs near 65. Partly cloudy Wednesday through Saturday highs 64-62 lows 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County:  Partly cloudy tonight and Sunday AM, mostly sunny and cooler Sunday afternoon, partly cloudy at night, mostly sunny Monday and Tuesday, partly cloudy Monday night and mostly clear Tuesday night free air freezing level 14,000 ft. tonight through Monday, then 15,000 ft.Monday night through Tuesday night lows 48-40 warming to 46 Tuesday night highs 66-73. Mostly sunny Wednesday and Thursday, partly cloudy Wednesday night and mostly clear Thursday night, sunny Friday, mostly clear at night, then mostly sunny Saturday free air freezing level 14,000 ft. Wednesday through  Saturday highs 72-68 lows near 46.

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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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