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Here is my weather quiz question for this week. Since the tropical storm season is about to officially start (this Friday June 1st) and we already have a tropical disturbance that pushed into northern Florida I thought a hurricane question would be in order. What are the three main things needed to form a tropical storm/hurricane? 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. Good luck!

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Advisories: NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Patchy AM fog, a mix of clouds and sun today, partly cloudy to night, partly cloudy to mostly cloudy Thursday, mostly cloudy Thursday night and Friday, then mostly cloudy with a good (50%) chance of rain Friday night highs 75-79 cooling to 72 Friday lows 49-54 cooling to 47 Friday night. Mostly cloudy with a good (50%) chance of showers Saturday, a (30%) chance of showers Saturday night, a mix of clouds and sun with a slight (20%) chance of showers Sunday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Sunday night, a mix of clouds and sun with a (30%) chance of showers Monday, then mostly cloudy with a (30%) chance of showers Monday night and Tuesday highs 63-65 cooling to cooling to near 62 Monday and Tuesday lows 43-46. (seasonal averages high 69 low 45)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog this AM, mostly cloudy this afternoon through Thursday night, mostly cloudy with a slight (20%) chance of showers late Friday afternoon, a good (50%) chance of rain late Friday night highs 78-84 cooling to near 80 Friday lows 52-56. Mostly cloudy and cooler with AM rain likely (60%), a good (50%) chance of showers Saturday and Saturday night, mostly cloudy with a slight (20%) chance of showers Sunday through Tuesday highs 66-70 cooling to near 64 Tuesday lows 51-46. (seasonal averages high 73 low 49)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog this AM, mostly cloudy and warmer this afternoon and tonight, mostly cloudy with patchy coastal fog and areas of coastal drizzle Thursday afternoon, mostly cloudy with coastal fog and areas of coastal drizzle late Thursday night and Friday AM, a slight (20%) chance of rain Friday afternoon, then rain likely (60%) late Friday night highs 62-65 cooling to near 60 Friday lows 50-54 cooling to near 50 Friday night. Mostly cloudy with rain likely (60%) Saturday AM, a (40%) chance of showers Saturday night, a slight (20%) chance of rain Sunday AM, a slight (20%) chance of  showers Sunday afternoon, mostly cloudy with a (30%) chance of rain late Sunday night, then Monday, then mostly cloudy with a slight (20%) chance of showers Monday night and Tuesday highs near 58 lows near 48. (seasonal averages high 60 low 49).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today, partly cloudy tonight, a mix of clouds and sun with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening rain, becoming mostly cloudy late Thursday night, a mix of clouds and sun Friday, a slight (20%) of rain, then mostly cloudy with a good (50%) chance of rain Friday night free air freezing level 13,000 ft. today and tonight, snow level above 8,000 ft. Thursday and Thursday night, free air freezing level 12,000 ft. Friday, snow level above 8,000 ft. Friday night highs 65-70 cooling to near 65 Friday lows 43 cooling to 37. Mostly cloudy with a good (50%) chance of showers Saturday, a (30%) chance of showers Saturday night, a mix of clouds and sun with a slight (20%) chance of rain or snow showers Sunday, partly cloudy in  the evening, mostly cloudy with a slight (20%) chance of showers late Sunday night, a mix of clouds and sun with a (30%) chance of showers Monday, partly cloudy in the evening, mostly cloudy with a (40%) chance of showers Monday night, then mostly cloudy with a (30%) chance of rain and snow showers Tuesday snow level 8,000 ft. Saturday, 6,000 ft. Saturday night, 5,500 ft. Sunday, 6,000 ft. Sunday night through Monday night, then 5,000 ft. Tuesday highs 54-49 lows 33-36 cooling to near 30 Monday night.

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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com

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