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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is the difference between a “Typhoon” and a “Hurricane”? Here is the correct answer. A tropical cyclone in which the maximum sustained surface wind (using the U.S. 1-minute average) is 64 kt (74 mph or 119 km/hr) or more. The term hurricane is used for Northern Hemisphere tropical cyclones east of the International Dateline to the Greenwich Meridian. The term typhoon is used for Pacific tropical cyclones north of the Equator west of the International Dateline. I’ll have a new weekly weather quiz question for you Monday. 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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Short-lived high pressure (shaded “Arch” shaped area offshore) brought out the sunshine today and should hold off more wet weather until midweek. A trough of low pressure (Shaded “U” shaped area with blue arrows in the Gulf of Alaska) will move in behind the ridge sending waves of moisture at us. A warm front (Red line with semi-circles on it) has already moved by warming us up more than I expected. The cold front will move in behind it and fall apart. A frontal system will push into Oregon Wednesday with more behind it bringing increasing waves of rain.
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Advisories: NONE AT THIS TIME.
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Forecast for the Umpqua Basin including Roseburg: Mostly clear with patchy fog late tonight and Monday AM, partly cloudy in the afternoon, mostly cloudy in the evening, partly cloudy with patchy fog late at night, sunny after patchy fog Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy with a (30%) chance of rain Tuesday night, a (30%) chance of showers and cooler Wednesday, then mostly cloudy and colder with a good (50%) chance of rain Wednesday night lows 50-40 highs 67-55. Mostly cloudy with rain and snow likely (60%) Thursday AM, rain likely (60%) in the afternoon, rain and snow showers likely (60%) Thursday night through Friday night, mostly cloudy with a (40%) chance of rain and snow showers Saturday, a slight (20%) chance of showers Saturday night, then just mostly cloudy Sunday (Veterans Day) highs 49-54 lows 40-35. (seasonal averages high 58 low 42)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Clear this evening, partly cloudy with patchy fog late tonight, mostly cloudy with patchy fog Monday AM, mostly cloudy in the afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Monday night and Tuesday AM, mostly cloudy in the afternoon, partly cloudy in the evening, mostly cloudy with a (30%) chance of rain Tuesday night, a (40%) chance of showers Wednesday, then mostly cloudy with a good (50%) chance of rain Wednesday night lows 52-43 highs 65-56. Mostly cloudy with rain likely (70%) and cooler Thursday, showers likely (70%) Thursday night through Friday night, mostly cloudy with a good (50%) chance of showers Saturday, a slight (20%) chance of showers Saturday night, then just mostly cloudy Sunday (Veterans Day) highs 50-55 lows 42-38. (seasonal averages high 57 low 44)
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Forecast for the Cascades of Lane County: Partly cloudy tonight through Tuesday, mostly cloudy with a good (50%) chance of rain Tuesday evening, a (40%) chance of showers late at night, a (30%) chance of showers Wednesday, then mostly cloudy with a good (50%) chance of rain and snow showers Wednesday night free air freezing level 12,000 ft. tonight through Monday night, 11,000 ft. falling to 10,000 ft. Tuesday afternoon, snow level above 8,000 ft. Tuesday night, 5,500 ft. Wednesday, then 4,000 ft. Wednesday night lows 42-26 highs 59-40. Mostly cloudy with rain and snow showers likely (60%) Thursday and Thursday night, a good (50%) chance of snow showers Friday, a (40%) chance of snow showers at night and Saturday, a slight (20%) chance of snow showers Saturday night, then mostly cloudy with a slight (20%) chance of snow Sunday (Veterans Day) snow level 3,000 ft. Thursday and Thursday night, 2,500 ft. Friday through Saturday night, then at the surface Sunday highs 36-33 lows 27-24.
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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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