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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 with more to follow behind 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 WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM THURSDAY FOR THE COAST RANGE OF NORTHWEST OREGON. WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH CASCADES AND THE SISKIYOU MOUNTAINS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, AND JOSEPHINE 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 rain and snow showers likely (60%) tonight (snow level 1,000 ft. this evening, 1 in. of snow possible), rain and snow showers likely (60%) Thursday (no accumulation expected),  mostly cloudy with a good (50%) chance of rain and snow showers Thursday night, (40%) chance of rain and snow showers Friday evening, a (30%) chance of rain and snow showers late Friday night (snow level 500 ft.), just partly cloudy Saturday, and mostly cloudy with a (40%) chance of showers Saturday night (snow level 1,000 ft.) lows 29-33 highs near 44-47.  Mostly cloudy with a good (50%) chance of showers Sunday (snow level 1,000 ft. Sunday night) through Monday (Washington’s Birthday),  a (40%) chance of showers Monday night and Tuesday, then a (40%) chance of rain and snow showers Tuesday night and Wednesday highs 47-43 lows 33-28. (seasonal  averages high 51 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with rain and snow showers likely (60%) tonight (snow level 500 ft. 1 in. of snow possible, 1-2 in. of snow possible above 1,500 ft.), cloudy with rain and snow showers  likely (60%) Thursday (snow level 1,000 ft. in the afternoon, 2-3 in. of snow possible above 1,500 ft.), mostly cloudy with a (40%) chance of rain and snow showers Thursday night (snow level 1,000 ft. falling to 500 ft. late),  mostly cloudy with a (40%) chance of rain and snow showers Friday (snow level 500 ft. rising to 1,000 ft. in the afternoon) and Friday night (snow level 1,500 ft. falling to 500 ft. late at night) lows 28-33 highs 43-46. Mostly cloudy with a (30%) chance of rain and snow showers Saturday, a good (50%) chance Saturday night through Monday (Washington’s Birthday), then a (40%) chance of rain and snow showers Monday night through Wednesday highs 48-43 lows 35-29. (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 showers likely (60%) and a slight (20%) chance of thunderstorms tonight at the shore, snow showers likely (60%) and isolated thunderstorms inland tonight (snow level 1,000 ft. falling to 500 ft. 2-3 in. of snow possible), cloudy with coastal showers likely (60%) and snow showers likely (60%) with isolated thunderstorms Thursday AM, then showers likely (60%) with isolated thunderstorms, showers with snow showers likely (60%) inland and isolated thunderstorms (snow level 1,000 ft. in the afternoon, 1 in. of snow possible),  cloudy with a (40%) chance of coastal showers Thursday night, and a (40%) chance of rain and snow showers inland (snow level 1,000 ft. falling to 500 ft. late at night), a (40%) chance of coastal showers with rain and snow showers inland Friday and Friday night lows 32-38 highs 45-49.   Mostly cloudy with a (40%) chance of rain and snow showers Saturday, a good (50%) chance of  showers Saturday night, a good (50%) chance of AM rain and snow showers Sunday AM, showers likely (60%) 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 through Tuesday night, then mostly cloudy with a (40%) chance of rain and snow showers Wednesday highs hovering from 50-44 lows 37-33. (seasonal averages high 55 low 41).

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