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Here is my new weekly weather quiz question. Please define “Syzygy.” Hint: Think of shooting a game of pool. 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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The high pressure (shaded “Arch” shape with blue arrows) is opening up allowing storms to return to the Pacific Northwest. Watch out for slippery roadways late night and early AM due to fog freezing on the surface of the road through Tuesday. The first frontal system in quite some time will be moving into the Pacific Northwest next Thursday bringing back the chance for rain. Another frontal system will approach the Pacific Northwest over the weekend.
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Advisories: A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTH, CENTRAL AND SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 6 PM TUESDAY FOR THE NORTH, CENTRAL AND SOUTH WILLAMETTE VALLEY. A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TUESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE KLAMATH BASIN, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with areas of fog and freezing fog this AM, cloudy this afternoon with lingering patchy fog, areas of freezing fog again tonight and Tuesday AM, cloudy with patchy lingering fog in the afternoon, mostly cloudy with a (40%) chance of rain and a slight (20%) chance of freezing rain in the evening, rain likely (60%) with a slight (20%) chance of freezing rain late Tuesday night, showers likely (70%) Wednesday, then a (30%) chance of showers Wednesday night highs 34-44 lows 30-37. Just mostly cloudy Thursday, mostly cloudy with a slight (20%) chance of rain Thursday night and Friday, mostly cloudy with a (40%) chance of rain Friday night, a good (50%) chance of rain Saturday, rain likely (60%) Saturday night, then mostly cloudy with a good (50%) chance of showers Sunday highs 42-47 cooling to 44 Sunday lows 36-33. (seasonal averages high 48 low 35)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog and freezing fog this AM, partly cloudy this afternoon (Martin Luther King, Jr. Day), partly cloudy with patchy fog and freezing fog again tonight, mostly cloudy with patchy fog and freezing fog Tuesday AM, partly cloudy in the afternoon, cloudy with a slight (20%) chance of evening rain, rain likely (70%) late Tuesday night, rain Wednesday, then mostly cloudy with a slight (20%) chance of showers late Wednesday night highs 44-50 lows 28-38 cooling to 35 Wednesday night. Mostly cloudy Thursday AM, partly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of rain Thursday night through Friday night, mostly cloudy with a good (50%) chance of rain Saturday, rain and snow likely (60%) Saturday night, then mostly cloudy with a good (50%) chance of rain and snow Sunday highs 50-47 lows 35-38 cooling to 35 Saturday night. (seasonal averages high 50 low 37)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this AM, sunny this afternoon (Martin Luther King, Jr. Day), mostly clear in the evening, partly cloudy with patchy coastal fog late tonight and Tuesday AM, mostly cloudy in the afternoon, cloudy with a (40%) chance of evening rain, rain likely (60%) Tuesday night, rain Wednesday, then mostly cloudy with a slight (20%) chance of showers Wednesday night highs 55-48 lows 32-45 cooling to 38 Wednesday night. Mostly cloudy Thursday AM, partly cloudy with a slight (20%) chance of rain in the afternoon, mostly cloudy with a slight (20%) chance of rain Thursday night and Friday, mostly cloudy with a (30%) chance of rain Friday night, rain likely (60%) Saturday and Saturday night, then mostly cloudy with a good (50%) chance of rain Sunday highs 54-48 lows 39-42. (seasonal averages high 52 low 40)
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Forecast for the Cascades of Lane County: Sunny today (Martin Luther King, Jr. Day), mostly clear tonight, partly cloudy Tuesday, cloudy with a slight (20%) chance of rain and snow in the evening, a good (50%) chance of rain and snow and colder late Tuesday night, rain and snow showers Wednesday, then mostly cloudy with a (40%) chance of snow showers Wednesday night free air freezing level 12,000 ft. today and tonight, 11,000 ft. Tuesday, snow level 6,500 ft. Tuesday night, 3,500 ft. Wednesday, then 2,500 ft. Wednesday night highs 46-33 lows 25-22. A mix of clouds and sun Thursday, mostly cloudy with a slight (20%) chance of rain and snow Thursday night and Friday, a (40%) chance of rain and snow Friday night and Saturday, rain and snow likely (60%) at night, then mostly cloudy with a good (50%) chance of rain and snow showers Sunday free air freezing level 4,500 ft. Thursday, snow level 4,500 ft. Thursday night, 5,500 ft. Friday and Friday night, 4,500 ft. Saturday, then 3,000 ft. Saturday night and Sunday highs 38-42 cooling to near 30 Sunday lows 26-22.
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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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