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It’s time for my weekly weather quiz. Here is this week’s question. Major flooding occurred along the Northeast Coast of the U.S. in the summer of 1972 causing a 500-year flood in Elmira, New Your and other locations. What was the main cause of this flooding? You’ll get extra praise if you can explain a secondary cause for all of the rain that fell. Please place your answer as a comment after the forecasts on this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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A high pressure ridge (shaded “Arch” shape over the Pacific and the Northwest Coast) is moving in behind the upper level low pressure trough (shaded “U” area moving away from us. That adds up to more sunshine and a bit warmer for a while. Look for another stronger cold front to roll across Oregon on Sunday.
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Advisories: NONE AT THIS TIME.
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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: Clear with patchy fog late tonight and Wednesday AM, mostly sunny Wednesday, partly cloudy Wednesday night, a mix of clouds and sun Thursday, and partly cloudy Thursday night lows 40-47 highs 74-70. Mostly cloudy with a slight (20%) chance of rain Friday, a slight (20%) chance Friday night, partly cloudy with a slight (20%) chance of rain Saturday, and mostly cloudy Saturday night high 72 lows 50-45. Mostly cloudy with a (20%) chance of rain Sunday, partly cloudy with a (30%) chance of showers Sunday night, a slight (20%) chance of showers Monday (Columbus Day), partly cloudy Monday night, and a mix of clouds and sun Tuesday highs 68-64 lows 49-47. (seasonal averages highs 70 low 42)
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Forecast for the Umpqua Basin including, Roseburg: Mostly clear tonight, sunny Wednesday AM, partly cloudy in the afternoon and Wednesday night, partly cloudy Thursday and Thursday night lows 45-50 highs 75-70. Mostly cloudy with a slight (20%) chance of showers Friday AM, a slight (20%) chance of rain Friday afternoon and night, mostly cloudy with a slight (20%) chance of showers Saturday, mostly cloudy Saturday night, mostly cloudy with a slight (20%) chance of rain Sunday, a slight (20%) chance of showers Sunday night and Monday (Columbus Day), and just mostly cloudy Monday night and Tuesday highs 70-75 cooling to 67-65 Sunday through Tuesday lows 53-43. (seasonal averages high 74 low 46)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy tonight, sunny Wednesday AM, partly cloudy in the afternoon and evening, mostly cloudy Wednesday night, partly cloudy with patchy coastal fog Thursday AM, mostly cloudy in the afternoon and night with a slight (20%) chance of coastal showers late, Thursday night lows 47-55 highs 66-62. Mostly cloudy with a slight (20%) chance of showers Friday AM, a slight (20%) chance of afternoon rain, mostly cloudy with a slight (20%) chance of rain Friday night, a slight (20%) chance of showers Saturday, mostly cloudy Saturday night, mostly cloudy with a slight (20%) chance of rain Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night and Monday (Columbus Day), and just mostly cloudy Monday night and Tuesday highs 65-62 lows 57-45. (seasonal averages high 65 lows 47).
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Forecast for the Cascades of Lane County: Mostly clear tonight, a mix of clouds and sun Wednesday and Thursday, and partly cloudy both nights free air freezing level 12,000 ft tonight, 13,000 ft. Wednesday, and 12,000 ft. Wednesday night, and 11,000 ft. Thursday and Thursday night lows 34-42 highs 65-59. Partly cloudy with a slight (20%) chance of rain Friday, a slight (20%) chance of rain Friday night and Saturday, partly cloudy at night, partly cloudy with a slight (20%) chance of rain Sunday, mostly cloudy with a (30%) chance of showers Sunday night, a slight (20%) chance of showers Monday (Columbus Day), partly cloudy at night and a mix of clouds and sun Tuesday snow level above 8,000 ft. Friday, 12,000 ft. through Monday, free air freezing level 9,000 ft. Monday night and 10,000 ft. Tuesday highs 62-53 low 43-39.
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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.