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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is the “Pacific Decadal Oscillation?” Here is the correct answer. “(Abbrev. PDO) The Pacific Decadal Oscillation – a recently described pattern of climate variation similar to ENSO though on a timescale of decades and not seasons. It is characterized by SST anomalies of one sign in the north-central Pacific and SST anomalies of another sign to the north and east near the Aleutians and the Gulf of Alaska. It primarily affects weather patterns and sea surface temperatures in the Pacific Northwest, Alaska, and northern Pacific Islands.” 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. Good Luck!
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Cold high pressure (shaded “Arch” shape) has positioned itself off the the Pacific Northwest coast. That ridge aloft along with high pressure (Blue “H”) at the surface will keep storm systems away from the Pacific Northwest for the next 7 days. Watch out for slippery roadways late night and early AM due to fog freezing on the surface of the road.
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Advisories: A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with patchy fog evening fog, fog and freezing fog late tonight and Monday AM, mostly cloudy with patchy fog and freezing fog in the afternoon evening, areas of fog and freezing fog late Monday night and Tuesday AM, mostly cloudy in the afternoon, then mostly cloudy with patchy freezing fog Tuesday night and Wednesday AM, mostly cloudy in the afternoon, mostly clear in the evening, then mostly cloudy with patchy fog and freezing fog Wednesday night lows 25-30 highs 30-40. Mostly cloudy with patchy fog and freezing fog Thursday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy with patchy fog and freezing fog at night and Friday AM, partly cloudy in the afternoon, patchy evening fog, mostly cloudy with with areas of fog and freezing fog late at night and Saturday AM, then partly cloudy Saturday afternoon through Sunday highs 48-50 lows 32-36. (seasonal averages high 47 low 34)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy this evening, mostly clear with areas of patchy fog and freezing fog late tonight and Monday AM, sunny with lingering patchy patchy Monday afternoon with patchy lingering fog, mostly clear with areas of patchy fog and freezing fog late Monday night and Tuesday AM, sunny in the afternoon with some lingering patchy fog, mostly clear with areas of patchy fog and freezing fog late Tuesday night and Wednesday AM, mostly sunny with lingering patchy fog Wednesday afternoon and evening, then mostly clear with areas of patchy fog and freezing fog late Wednesday night lows 26-30 cooling to 27 Saturday night highs 41-47. Patchy fog and freezing fog Thursday AM, mostly sunny with patchy lingering fog in the afternoon, lingering evening fog, mostly clear with patchy fog and freezing fog late Thursday night and early Friday AM, partly cloudy Friday with lingering patchy fog in the afternoon and evening, areas of fog and freezing fog again late Friday night and Saturday AM, then partly cloudy with patchy lingering fog Saturday afternoon, could say “ditto” but I will say areas of fog and freezing fog again late Saturday night and Sunday AM, then partly cloudy with patchy lingering fog Sunday afternoon highs 52-48 lows near 30. (seasonal averages high 49 low 37)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, mostly clear tonight, partly cloudy Monday AM, sunny in the afternoon, mostly clear late Monday night, sunny Tuesday, mostly clear Tuesday night, mostly sunny Wednesday, then mostly clear Wednesday night lows 28-36 highs near 53. Mostly sunny Thursday and Friday, clear Thursday night and mostly clear Friday night, partly cloudy with patchy fog in the AM, mostly sunny Saturday afternoon, mostly clear at night with patchy fog late at night and Sunday AM, then mostly sunny Sunday afternoon highs 53-50 warming to 53 Sunday lows near 36. (seasonal averages high 51 low 40)
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Forecast for the Cascades of Lane County: Partly cloudy tonight through Tuesday AM, mostly sunny and a bit warmer in the afternoon, mostly clear Tuesday night, mostly sunny Wednesday, then clear Wednesday night free air freezing level at the surface tonight and Monday, 5,500 ft. Monday night, 9,000 ft. rising to 10,000 ft. Tuesday afternoon, 11,000 ft. Tuesday night and Wednesday, then 10,000 ft. Wednesday night lows 10-28 cooling to 25 Wednesday night highs 35-50. Mostly sunny Thursday, Friday, Saturday, and Sunday with mostly partly cloudy skies each night free air freezing level 10,000 ft. Thursday and Thursday night, 9,000 ft. Friday through Saturday, then 10,000 ft. Saturday night and Sunday highs 50-44 warming to 47 Sunday lows 25-28.
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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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