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Here is my new weekly weather quiz question. What is the free air freezing level? For a hint take a look at the Cascades forecasts below. Please post your answer as a comment by clicking on “no 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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The upper air flow will start to bend more from the west and southwest bringing in warmer, but still very moist air into the Pacific Northwest. A cold front sagged through the region bringing the cold air back. The precipitation is moving from southwest to northeast through the area. Another storm system will bring some warmer air in by Wednesday, so you can forget about the rain, freezing rain, and snow for a while at least. More storms will be headed toward us like this one that will move in Saturday .
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Advisories: A WINTER STORM WARNING IS IN EFFECT UNTIL NOON WEDNESDAY FOR THE WESTERN COLUMBIA RIVER GORGE AND THE UPPER HOOD RIVER VALLEY. A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH MIDNIGHT TONIGHT FOR THE GREATER PORTLAND/VANCOUVER AREA OF WESTERN OREGON, THE CENTRAL WILLAMETTE VALLEY AND UNTIL 7 PM THIS EVENING FOR THE SOUTHERN WILLAMETTE VALLEY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR THE COAST RANGE OF NORTHWEST OREGON, AND THE LOWER COLUMBIA AND WILLAPA HILLS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 7 PM TODAY FOR THE NORTH OREGON CASCADE FOOTHILLS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM WEDNESDAY FOR THE NORTH OREGON CASCADES (NOT INCLUDING THE CASCADES OF LANE COUNTY). A HIGH WIND WARNING IS IN EFFECT FROM 10 PM THIS EVENING UNTIL 7 AM WEDNESDAY NEAR THE BEACHES AND HEADLANDS FOR THE NORTHERN AND CENTRAL OREGON COAST.
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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: Cloudy with light freezing rain or snow this evening (0.25 in. of rain possible, no snow accumulation expected), rain tonight (0.25 in. of rain possible), rain likely (60%) Wednesday (0.25 in. of rain possible), rain Wednesday night and a bit warmer (0.50 in. of rain possible), rain Thursday (0.50 in. of possible), and rain likely (60%) Thursday night (0.10 in. of rain possible) lows 32-46 cooling to near 40 Thursday night highs 50-53. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday through Monday (Martin Luther King, Jr. Day), cloudy with a good (50%) chance of rain Monday night, and rain likely (60%) Tuesday highs 53-49 lows near 40. (seasonal averages highs 46 low 33)
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Forecast for the Umpqua Basin including, Roseburg: Cloudy with rain tonight, rain likely (60%) Wednesday, rain Wednesday night and Thursday, and rain likely (60%) Thursday night lows 38-44 highs 50-54. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday night, cloudy with rain likely (60%) Saturday through Sunday, cloudy with a good (50%) chance of rain Sunday night and Monday (Martin Luther King, Jr. Day), then cloudy with a (40%) chance of rain Monday night and Tuesday highs near 55 except near 50 Sunday and Tuesday lows near 42. (seasonal averages high 49 low 35)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with rain tonight and windy (winds: S 15-25 mph increasing to S 25-35 mph late this evening and tonight at the shore, SE 10-15 mph increasing to S 15-25 mph late this evening and tonight inland), rain Wednesday and windy (wind: S 20-30 mph at the shore, S 15-20 mph inland, gusts to 45 mph early AM) Wednesday, rain Wednesday night and breezy (wind: S 15-25 at the shore, S 10-15 mph inland), rain Thursday and Thursday evening and windy (S 20-30 mph decreasing to S 15-20 mph in the afternoon at the shore, S 15-20 mph inland), rain likely (60%) late Thursday night lows 42-48 highs near 55. Mostly cloudy with rain likely (60%) Friday and Friday night, cloudy with rain Saturday, then rain likely (60%) Saturday night through Monday (Martin Luther King, Jr. Day), then cloudy with a good (50%) chance of rain Monday night and Tuesday highs 56-50 warming to near 56 Monday and 52 Tuesday lows near 46. (seasonal averages high 52 lows 39).
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Forecast for the Cascades of Lane County: Mostly cloudy with rain and snow tonight (1-2 in. of snow possible), rain Wednesday (2 in. of snow possible, 0.25 in. of rain possible), rain Wednesday night (2-5 in. of snow possible, 0.75 in. of rain possible), rain Thursday (4-8 in. of snow possible, 0.75 in. of rain possible), rain likely (60%) Thursday night (no snow accumulation expected, 0.25 in. of rain possible) snow level 4,000 ft. rising to 5,000 ft. late tonight, 6,000 ft. Wednesday, 5,500 ft. Wednesday night, 6,000 ft. Thursday and Thursday night lows 26-35 cooling to 30 Thursday night highs 34-40. Mostly cloudy with rain likely (60%) Friday and Friday night, rain Saturday, then rain and snow likely (60%) Saturday night and Sunday, rain Sunday night and Monday (Martin Luther King, Jr. Day, cloudy with a good (50%) chance of rain Monday night, and rain likely (60%) Tuesday snow level 6,000 ft. Friday through Saturday, 5,000 ft. Saturday night through Sunday night, and 5,500 ft. Monday through Tuesday highs near 38 lows near 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.