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No winner this week. Here is my weekly weather quiz question for the last time. What is a “Microburst?” Here is the correct answer. A “Microburst” is a convective downdraft with an affected outflow area of less than 2½ miles wide and peak winds lasting less than 5 minutes. Microbursts may induce dangerous horizontal/vertical wind shears, which can adversely affect aircraft performance and cause property damage. I’ll have a new weekly weather quiz question for you starting 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.
An upper level high pressure ridge (shaded “Arch”shape) has been giving us plenty of sun and warm temperatures, but a low pressure area (shaded “Crescent” shape) that’s been sitting offshore will slide eastward south of us giving us a chance of showers. The big question is whether those clouds will start to move in early Sunday or hold off until late in the day into Sunday night. As of right now I’m going with the sunshine through most of Easter Sunday with the slight chance of showers holding off until late afternoon into the evening. It looks like the next frontal system will slide south of us just like the last one did.
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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: Partly cloudy tonight, a mix of clouds and sun Sunday (Easter) with a slight (20%) chance of showers late in the afternoon cooler, becoming mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms in the evening (under 0.10 in. of rain possible), mostly cloudy late Sunday night and Monday AM, a mix of clouds and sun Monday afternoon, partly cloudy in the evening, mostly cloudy late at night and Tuesday AM, then partly cloudy in the afternoon and Tuesday night lows 47-43 highs 65-62. A mix of clouds and sun Wednesday, mostly cloudy at night, mostly cloudy with a good (50%) chance of showers Thursday, rain likely (60%) at night, mostly cloudy with a good (50%) chance of showers Friday, rain likely (70%) at night, then mostly cloudy with showers likely (60%) Saturday highs 64-56 lows 43-45. (seasonal averages high 58 low 38)
Forecast for the Umpqua Basin including Roseburg: Partly cloudy with a slight (20%) chance of isolated thunderstorms this evening, becoming mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms late tonight (under 0.10 in. of rain possible), cloudy with a good (50%) chance of AM showers, showers likely (60%) with a slight (20%) chance of thunderstorms Sunday afternoon (Easter) and evening (0.10 in. of rain possible), a (40%) chance of showers at night (0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of showers Monday (under 0.10 in. of rain possible), mostly cloudy in the evening, partly cloudy at night and Tuesday, then mostly cloudy Tuesday night lows 52-45 highs 65-63 warming to 69 Tuesday. Partly cloudy Wednesday, mostly cloudy with a slight (20%) chance of showers at night, showers likely (60%) Thursday through Friday, showers Friday night, then mostly cloudy with showers likely (70%) Saturday highs 65-70 cooling to 62 Friday lows near 46. (seasonal averages high 59 low 40)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy with a slight (20%) chance of coastal showers and isolated thunderstorms this evening and cloudy with a (30%) chance of showers late at night while partly cloudy with a slight (20%) chance of isolated thunderstorms inland this evening and a (30%) chance of showers and a slight (20%) chance of thunderstorms inland late tonight (under 0.10 in. of rain possible, more rain and gusty winds in storms), cloudy with a (40%) chance of coastal showers Sunday (Easter), a (30%) chance of AM showers inland with a (40%) chance of showers and a slight (20%) chance of inland thunderstorms in the afternoon, a (30%) chance of showers Sunday night (under 0.10 in. of rain possible), a slight (20%) chance of showers Monday AM, mostly cloudy in the afternoon, just partly cloudy Monday night and Tuesday, then mostly cloudy Tuesday night lows 50-45 highs 57-60. Mostly cloudy Wednesday, a (30%) chance of showers at night, mostly cloudy with showers likely (70%) Thursday through Friday, then mostly cloudy with showers Friday night and Saturday highs 60-52 lows near 48. (seasonal averages high 54 low 42)
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Forecast for the Cascades of Lane County: Partly cloudy tonight, a mix of clouds and sun with a slight (20%) chance AM showers, becoming mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday (Easter) afternoon (0.10 in. of rain possible), a good (50%) chance of showers with a slight (20%) chance of thunderstorms in the evening, showers likely (60%) late at night, a mix of clouds and sun with a slight (20%) chance of showers Monday, then just partly cloudy Monday night through Tuesday night free air freezing level 10,000 ft. tonight, snow level above 8,000 ft. Sunday, 8,000 ft. Sunday night, 7,500 ft. Monday, free air freezing level 9,000 ft. Monday night, 8,000 ft. Tuesday, then 9,000 ft. Tuesday night lows 37-32 highs 57-50 warming to 55 Wednesday. A mix of clouds and sun Wednesday, mostly cloudy with a slight (20%) chance of showers at night, mostly cloudy with rain likely (60%) Thursday and Thursday night, showers likely (60%) Friday, rain likely (60%) at night, then mostly cloudy with showers likely (60%) Saturday free air freezing level 8,000 ft. Wednesday, snow level above 8,000 ft. Wednesday night, 8,000 ft. Thursday, 7,000 ft. Thursday night, 6,000 ft. Friday and Friday night, then 5,500 ft. Saturday highs 57-47 lows near 33.
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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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