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Check out my latest Eugene Daily News Weather Or Not Column Waiting For “Armageddon?” Where’s Bruce Willis When You Need Him?
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Here is my weekly weather quiz question. How does the National Weather Service define “Yellow Snow?” And no, this is not a joke. 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: There is a Blue-Green Algae warning that continues for Dexter Reservoir. Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities. Note: Sorry about an error that I published yesterday reporting that the warning was also for Odell Lake. It was outdated information. Sorry for the confusion.
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An upper level high pressure ridge (“Arch” shape with blue arrows) still covers the Pacific Northwest. It’s called a “Rex” block because of the way it blocks storms from coming through it. That means more sunshine but temperatures will start to cool off a bit. An upper level low (shaded “U” shape with blue arrows) will slide down from the Gulf of Alaska and then move to the northeast toward the weekend. A cold front will slowly move down from the northwest between late Thursday and Friday and that will mean temperatures hopefully cooling to the more comfortable mid to low 80s as the front slowly moves across Oregon. The slow cooling will make it more comfortable for fair goers at the Lane County Fair that runs today through Sunday and the Relay For Life Friday and Saturday at Willamette High School.
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The Grass Pollen Count is listed as Moderate at 13 and Tree pollen is Low at 5 as of 7/23/13 and both have risen a bit according to Oregon Allergy Associates.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly sunny and not quite as warm today but still hot, clear tonight, mostly sunny and not quite as warm in the afternoon, clear at night, sunny and a bit cooler Friday, then mostly clear Friday night highs 93-89 lows near 53. Partly cloudy Saturday AM, mostly sunny and becoming more comfortable Saturday afternoon, clear in the evening, cloudy Saturday night and Sunday AM, mostly sunny and a bit cooler in the afternoon, mostly clear in the evening, mostly cloudy late Sunday night and Monday AM, then partly cloudy Tuesday highs 84-82 lows near 50. (seasonal averages high 84 low 52)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy this AM, sunny and a bit cooler this afternoon, mostly clear tonight, sunny and a touch cooler Thursday, mostly clear at night, partly cloudy in the AM, mostly sunny Friday, then mostly clear Friday night highs 94-96 cooling to 93 Friday lows 60-55. Partly cloudy Saturday AM, sunny and a bit cooler in the afternoon, mostly clear Saturday night, partly cloudy in the AM, sunny and slightly cooler Sunday afternoon, mostly clear at night, AM clouds, sunny Monday afternoon, mostly clear in the evening, partly cloudy late Monday night, mostly cloudy Tuesday AM, then sunny Tuesday afternoon highs 87-84 warming to 86 Tuesday lows 54-56. (seasonal averages high 86 low 57)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this AM, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy with patchy coastal fog late tonight and Thursday AM, sunny in the afternoon, mostly clear in the evening and partly cloudy late at night inland while mostly cloudy with patchy coastal fog late Thursday night and Friday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy late Friday night highs 63-65 cooling to 63 Friday lows near 52. AM clouds and patchy fog, sunny Saturday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Saturday night and Sunday AM, sunny Sunday afternoon, partly cloudy at night and Monday, then mostly cloudy Monday night and Tuesday highs 64-66 lows near 53. (seasonal averages high 65 low 53)
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Forecast for the Cascades of Lane County: Partly cloudy this afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms this evening near the crest, a slight (20%) chance of showers late tonight and Thursday AM, partly cloudy in the afternoon and evening, clear at night, sunny and a bit cooler Friday, then clear Friday night free air freezing level 15,000 ft. today, snow level above 8,000 ft. tonight and Thursday, free air freezing level 15,000 ft. Thursday night through Friday night highs 80-78 lows 52-48. Sunny and even cooler Saturday, clear at night, then mostly sunny Sunday, mostly clear at night, partly cloudy Monday AM, mostly sunny in the afternoon, then partly cloudy Monday night and Tuesday free air freezing level 15,000 ft. Saturday, 15,000 ft. falling to 13,00 ft. Saturday night, then 13,000 ft. Sunday, 13,000 ft. falling to 12,000 ft. late at night, then 13,000 ft. Monday through Tuesday highs 73-70 warming to near 72 Tuesday lows 45-42 warming to 46 Sunday 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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