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Here my weekly weather quiz question. What type of cloud appears as a lens or almond shape and where can they usually be found? 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 jet stream shows a large trough of low pressure ( “U” shaped area over us) pumping a lot of moisture our way. I measured 2.05 in. of rain at my house for Tuesday alone. A frontal system has pushed through the Pacific Northwest bringing rain, wind, and lowering snow levels with it. Be prepared for possible slippery roads at least late night and early AM for the next few days.

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Advisories:  A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM TODAY ABOVE 4,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTH OREGON CASCADES, AND THE SISKIYOU MOUNTAINS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE NORTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM THURSDAY FOR THE COAST RANGE OF NORTHWEST OREGON. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE GREATER PORTLAND-VANCOUVER AREA. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY ABOVE 4,000 FT. FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY ABOVE 1,000 FT. FOR SOUTH CENTRAL AND SOUTH OREGON COAST, ABOVE 1,500 FT. FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY.

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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: Mostly cloudy with showers likely (60%) today with a slight (20%) chance of thunderstorms, mostly cloudy with showers likely (60%) tonight (snow level 1,000 ft. 1 in. of snow possible), rain and snow showers likely (60%) Thursday (no accumulation expected),  mostly cloudy with a (40%) chance of snow showers Thursday night with a good (50%) chance of showers overnight, a (30%) chance of rain and snow showers Friday and Friday evening, then a slight (20%) chance of rain and snow showers Friday night highs near 45 lows 30-25. Partly cloudy with a slight (20%) chance of snow showers Saturday, mostly cloudy with a (40%) chance of showers Saturday night, a good (50%) chance of snow showers Sunday, rain and snow showers likely (60%) Sunday night,  mostly cloudy with a good (50%) chance of  snow showers Monday (Washington’s Birthday) and (40%) chance of showers Monday night and Tuesday highs 47-43 lows 33-29. (seasonal  averages high 51 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with rain and snow showers (2-3 in. of snow possible above 1,000 ft.) and a slight (20%) chance of thunderstorms today, rain and snow showers likely (60%) with a slight (20%) chance of thunderstorms this evening, rain and snow showers likely (60%) late tonight (snow level 1,000 ft. falling to 500 ft. 1 in. of snow possible), cloudy with rain and snow showers  likely (60%) Thursday (snow level 500 ft. rising to 1,000 ft. in the afternoon, 1 in. of snow possible), mostly cloudy with a (40%) chance of rain and snow showers Thursday night (snow level 1,000 ft. falling to 500 ft. late) highs near 45 lows 28-32.  Mostly cloudy with a good (50%) chance of rain and snow showers Friday and Friday night, mostly cloudy with a (30%) chance of rain and snow showers Saturday, and a good (50%) chance of rain and snow showers Saturday night through Monday (Washington’s Birthday), then a (40%) chance of rain and snow showers Monday night and Tuesday highs 44-48 lows 32-36. (seasonal averages high 55 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  AM coastal showers with a slight (20%) chance of thunderstorms today with showers and isolated thunderstorms in the afternoon, rain and snow showers with a slight (20%) chance of afternoon thunderstorms inland (snow level 1,000 ft. rising to 1,500 ft. in the afternoon), no snow accumulation expected, showers likely (60%) and a slight (20%) chance of thunderstorms in the evening at the shore, then showers likely (60%) late at night, showers with snow showers likely (60%) and a slight chance of thunderstorms in the evening inland, then rain and snow showers likely (60%) late tonight (snow level 1,000 ft. 1 in. of snow possible), cloudy with coastal showers likely (60%) Thursday, rain and snow showers likely (60%) inland, (snow level 500 ft. rising to 1,000 ft. in the afternoon) no snow accumulation expected,  cloudy with a (40%) chance of coastal showers Thursday night, and a (40%) chance of rain and snow showers inland (snow level 500 ft.) highs 47-45 lows 33-37. Mostly cloudy with a good (50%) chance of coastal showers with rain and snow showers inland Friday and Friday evening, a good (50%) chance of showers late Friday night,  a slight (20%) chance of showers Saturday and Saturday night, a good (50%) chance of AM rain and snow showers Sunday, then a good (50%) chance of showers Sunday afternoon and Sunday night, mostly cloudy with a good (50%) chance of rain and snow showers Monday (Washington’s Birthday), then mostly cloudy with a (40%) chance of showers Monday night and Tuesday highs hovering near 48 lows 38-35. (seasonal averages high 55 low 41).

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Forecast for the Cascades of Lane County:  Cloudy with snow showers today (2-5 in. of snow possible), snow showers likely (60%) tonight (1-3 in. of snow possible), snow showers likely (60%) Thursday (2 in of snow possible), then a (40%) chance of snow showers Thursday night through Friday night snow level at the surface today through Friday night highs 26-30 lows 18-20.  Mostly cloudy with snow showers likely (60%) Saturday through Sunday night, snow showers likely (60%) Monday (Washington’s Birthday), then mostly cloudy with a (40%) chance of snow showers Monday night and Tuesday snow level at the surface Saturday through Tuesday highs 34-26 lows 22-17.

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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.