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Here is my new weekly weather question. Why is it dangerous to drive your car on to a flooded street? 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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A Reminder: The Vernal Equinox occurs at 4:21 PM Pacific Daylight Time next Sunday March 20th.

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The jet stream shows a cold trough of low pressure ( “U” shaped area) swinging in toward the Pacific Northwest. The low pressure offshore along with a surface disturbance will keep us wet. Additional storms will be aiming for us like these frontal systems , one to the south and the other in west over the Pacific this weekend.

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH 11AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY ABOVE 2,000 FT. A WIND ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 11 AM FRIDAY FOR JACKSON COUNTY, NORTHERN AND FROM 11 PM TONIGHT UNTIL 5 PM FRIDAY FOR EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE 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 this AM, a good (50%) chance of showers this afternoon (.10 in. of rain possible) with some sun breaks, cloudy with a good (50%) chance of rain tonight, mostly cloudy with AM rain Friday (0.25 in. of rain possible, more in thunderstorms), showers with possible thunderstorms in the afternoon and evening, and showers likely (60%) late Friday night highs 52-48 lows 39-36. Mostly cloudy with showers likely (60%) Saturday  (0.10 in. of rain possible), a good (50%) chance of showers Saturday night and Sunday, partly cloudy with a (40%) chance of showers Sunday night, a mix of clouds and sun Monday, mostly cloudy with a (30%) chance of showers Monday night, partly cloudy with a (30%) chance of showers Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night and a good (50%) chance of showers Wednesday highs 52-56 lows 35-39. (seasonal  averages high 56 low 37)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with rain and snow showers likely (60%) this AM, showers likely (60%) this afternoon (snow level 2,000 ft. rising to 2,500 ft. in the afternoon), rain this evening, rain likely (60%) late tonight (snow level 3,000 ft. falling to 2,500 ft.), rain Friday AM, rain and a slight (20%) chance of isolated thunderstorms Friday afternoon and evening (snow level 2,500 ft. to 3,000 ft.), then rain and snow showers likely (60%) with isolated thunderstorms  late Friday night highs 54-42 lows 42-36. Mostly cloudy with AM rain and snow showers likely (60%) Saturday, cloudy with showers likely (60%) Saturday afternoon, cloudy with a good (50%) chance of showers Saturday night, mostly cloudy with good (50%) chance of showers Sunday and Sunday night, a (40%) chance of showers Monday through Tuesday night, then showers likely (60%) Wednesday highs 50-55 lows 35-40. (seasonal averages high 60 low 38)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with showers and isolated thunderstorms this AM, showers likely (60%) this afternoon (snow level 2,000 ft. in the AM) and breezy (wind: S 15-25 mph), coastal rain tonight, rain likely (60%) inland this evening then rain late tonight and windy (wind: S 20-30 mph at the shore and S 15-25 mph inland), rain Friday AM, rain with a slight (20%) chance of isolated thunderstorms Friday afternoon and windy (winds: S 20-25 mph decreasing to S 10-20 mph late AM and afternoon at the shore and S 10-25 mph inland), then showers and isolated thunderstorms Friday night highs 52-47 lows 44-40. Mostly cloudy with showers Saturday, cloudy with a good (50%) chance of showers Saturday night, mostly cloudy with showers likely (60%) Sunday, a good (50%) chance of showers Sunday night, a (40%) chance of showers Monday through Tuesday, then showers likely (60%) Tuesday night and Wednesday highs near 50 lows 37-42. (seasonal averages high 56 low 41).

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Forecast for the Cascades of Lane County:  Mostly cloudy with snow showers likely (60%) this AM, a good (50%) chance of snow showers this afternoon, mostly cloudy with a good (50%) chance of rain and snow tonight, occasional rain and snow Friday AM, showers in the afternoon (4-9 in. of snow possible), snow showers likely (60%) Friday night (2-6 in. of snow possible) snow level 2,500 ft. today,  3,500 ft. tonight and Friday, and 3,000 ft. falling to 2,500 ft. Friday night highs 38-34 lows 26-29. Mostly cloudy with snow showers likely (60%) Saturday, cloudy with a good (50%) chance of showers Saturday night, partly to mostly cloudy with a good (50%) chance showers Sunday and Sunday night, partly cloudy with a good (50%) chance of showers Monday, then mostly cloudy with a (40%) chance of showers Monday night through Tuesday night, showers likely (60%) Wednesday snow level 3,000 ft. Saturday, 2,500 ft. Saturday night, 3,000 ft. Sunday, 4,000 ft. Sunday night through Tuesday, 3,500 ft. Tuesday night, then 4,500 ft. Wednesday highs 36-42 lows 26-29.

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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.