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Here is my 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 moving to the east allowing storms to return to the Pacific Northwest as an upper trough of low pressure (shaded “U” shape) moves in along the coast. Watch out for slippery roadways early this AM due to fog freezing on the surface of the road through today. A frontal system is headed our way to return the chance of rain to Oregon. Another frontal system will be moving into the Pacific Northwest late Thursday into Friday bringing more rain with it by late at night.
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Advisories: A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF OREGON, AND THE NORTH, CENTRAL, AND SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTH, CENTRAL, AND SOUTH WILLAMETTE VALLEY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE WESTERN COLUMBIA GORGE AND THE UPPER HOOD RIVER VALLEY. A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE NORTH OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY. A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR EASTERN CURRY COUNTH, JOSEPHINE COUNTY, JACKSON COUNTY, A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR 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 patchy fog and freezing fog with occasional rain and possible freezing rain this AM until about noon or so, rain this afternoon (0.10 in. of rain possible), mostly cloudy with a (40%) chance of evening showers (under 0.10 in. of rain possible), partly cloudy with patchy fog and freezing fog late tonight (under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of rain Thursday afternoon, rain Thursday night (under 0.10 in. of rain possible) through Friday night highs 42-47 lows 33-40 cooling to 37 Friday night. Mostly cloudy with rain likely (60%) Saturday, showers likely (60%) Saturday night, a (40%) chance of showers Sunday, then mostly cloudy with a good (50%) chance of showers Sunday night through Monday night, then a (40%) chance of rain Tuesday highs 48-44 lows 35-33. (seasonal averages high 48 low 35)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a good (50%) chance of AM rain, rain this afternoon (0.10 in. of rain possible, snow level 3,500 ft.), a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible, snow level 3,000 ft. in the evening), mostly cloudy with patchy fog and a slight (20%) chance of showers Thursday AM, mostly cloudy with a slight (20%) chance of rain Thursday afternoon, rain likely (60%) Thursday night (under 0.10 in. of rain possible), AM rain Friday, then rain likely (60%) Friday afternoon (under 0.10 in. of rain possible) and Friday night highs 46-52 lows 34-42 cooling to 40 Friday night. Mostly cloudy with rain Saturday, rain likely (70%) Saturday night, a good (50%) chance of rain and snow showers Sunday and Sunday night, mostly cloudy with a (40%) chance of rain and snow showers Monday through Tuesday AM, then mostly cloudy with a (30%) chance of showers Tuesday afternoon highs 52-47 warming to 52 Tuesday lows 37-33 warming to 36 Monday night. (seasonal averages high 51 low 37)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain today (0.35 in. of rain possible), mostly cloudy with a (40%) chance of evening showers, becoming partly cloudy late tonight (under 0.10 in. of rain possible), mostly cloudy with areas of fog Thursday AM, mostly cloudy with a slight (20%) chance of rain in the afternoon (under 0.10 in. of rain possible), coastal rain with rain likely (60%) late Thursday night while rain likely (60%) inland Thursday night (0.25 in. of rain possible), then mostly cloudy with rain Friday (under 0.20 in. of rain possible), then rain likely (70%) Friday night highs 48-54 lows 36-45 cooling to near 40 Friday night. Mostly cloudy with rain Saturday and Saturday night, then mostly cloudy with a good (50%) chance of showers Sunday through Tuesday highs near 50 lows near 37. (seasonal averages high 52 low 40)
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Forecast for the Cascades of Lane County: Cloudy with rain, snow and colder this AM (0.25 in. of rain possible, 2 in. of snow possible), mostly cloudy with a good (50%) chance of snow showers tonight, a mix of clouds and sun Thursday, mostly cloudy with a good (50%) chance of rain and snow in the evening, rain and snow late Thursday night, rain Friday, then rain and snow Friday night snow level 3,500 ft. today, 2,500 ft. tonight, free air freezing level 5,000 ft. Thursday, snow level 4,500 ft. Thursday night, 6,500 ft. Friday, then 5,000 ft. Friday night highs 35-40 lows 22-27 cooling to 23 Friday night. Mostly cloudy with rain or snow Saturday, rain and snow showers likely (60%) at night, then mostly cloudy with a good (50%) chance of snow showers Sunday through Monday, a good (50%) chance of rain and snow showers Monday night, then a good (50%) chance of rain and snow Tuesday snow level 4,000 ft. Saturday, then 3,000 ft. Saturday night, 2,500 ft. Sunday through Monday night, then 3,000 ft. Tuesday highs 32-25 warming to near 30 Monday and Tuesday lows near 20.
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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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