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Check out my latest Eugene Daily News Weather Or Not Column Watch Out! It Might Be A Warning.
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Here is my weekly weather quiz question. If a weather bulletin is issued by the National Weather Service stating that “a tornado is moving NW at 20 mph (toward your location) take shelter immediately” what constitutes shelter and is there a safe place to hide from a tornado? 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: A RED FLAG WARNING IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL UNTIL 11 PM THURSDAY ALONG THE CASCADES AND THE FOOTHILLS OF NORTHWEST OREGON INCLUDING THE GIFFORD-PINCHOT NATIONAL FOREST, MT. HOOD, AND THE WILLAMETTE NATIONAL FORESTS CONTINUING INTO THE BLUE MOUNTAINS OF NORTHEAST OREGON DUE TO LOW RELATIVE HUMIDITIES AND THE THREAT OF DRY THUNDERSTORMS PRODUCING LIGHTNING CAPABLE OF STARTING MORE WILDFIRES.
There is a Blue-Green Algae warning that continues for Dexter Reservoir and Dorena Reservoir has just been added to the list. 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.
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An upper level low (shaded “U” shape with blue arrows) is sliding through northern California and Oregon bringing a chance of showers and isolated, mainly dry, thunderstorms Wednesday and Thursday. The big problem with that is the development of dry thunderstorms, particularly over the mountains, that can produce more wildfires through lightning strikes.
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The Grass Pollen Count is listed as Moderate at 8 and Tree pollen is at 3 as of 7/26/13 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: Partly cloudy tonight, partly cloudy with a slight (20%) chance of dry isolated thunderstorms Wednesday afternoon and evening, mostly cloudy late Wednesday night, cloudy Thursday AM, a mix of clouds and sun with a slight (20%) chance of afternoon showers (under 0.10 in. of rain possible), partly cloudy in the evening, then mostly cloudy late Thursday night and Friday AM, partly cloudy Friday afternoon and Friday night lows 55-50 highs 84-78. Partly cloudy Saturday AM, then mostly sunny Saturday afternoon through Tuesday with mostly clear nights highs 85-88 lows 50-54. (seasonal averages high 84 low 52)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of smoke this evening , mostly cloudy with a slight chance of dry thunderstorms late tonight and Wednesday AM, partly cloudy with a slight (20%) chance of isolated thunderstorms in the afternoon and evening, mostly cloudy with a slight (20%) chance of thunderstorms late Wednesday night, mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy with a slight (20%) chance of thunderstorms Thursday afternoon, then partly cloudy Thursday night through Friday night lows 56-53 highs 85-82. Mostly sunny Saturday through Tuesday with mostly clear skies at night highs 86-89 lows 55-59 cooling to 54 Monday night. (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 evening inland and mostly cloudy with a slight (20%) of thunderstorms late tonight otherwise mostly cloudy at the shore, mostly cloudy Wednesday with a slight (20%) chance isolated thunderstorms inland with a slight (20%) chance of isolated afternoon thunderstorms at the shore, mostly cloudy Wednesday night, cloudy Thursday AM, mostly cloudy with a slight (20%) chance of isolated showers in the afternoon, mostly cloudy Thursday night with patchy coastal fog late, mostly cloudy with patchy fog Friday AM, sunny in the afternoon, then partly cloudy Friday night lows 53-50 highs 60-64. Partly cloudy Saturday through Tuesday highs 64-67 cooling to 64 Tuesday lows 52-55 cooling to near 50 Monday night. (seasonal averages high 65 low 53)
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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of isolated dry thunderstorms this evening, scattered dry thunderstorms late tonight, a mix of clouds and sun with a (30%) chance of scattered dry thunderstorms Wednesday afternoon and evening, mostly cloudy with a (30%) chance of dry thunderstorms late Wednesday night, mostly cloudy with a (30%) chance of showers and thunderstorms Thursday afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, partly cloudy late Thursday night and Friday AM, mostly sunny in the afternoon, then partly cloudy Friday night free air freezing level 13,000 ft. tonight and Wednesday, snow level above 8,000 ft. Wednesday night through Thursday night, free air freezing level 11,000 ft. late Friday, then 11,000 ft. rising to 12,000 ft. Friday night lows 48-43 warming to 46 Friday night highs 73-66. Partly cloudy Saturday AM, mostly sunny Saturday afternoon through Tuesday with mostly clear nights free air freezing level 12,000 ft. Saturday, 12,000 ft. rising to 13,000 ft. late Saturday night through Monday, 13,000 ft. rising to 14,000 ft. Monday night, then 14,000 ft. falling to 13,000 ft. Tuesday highs 72-76 lows 48-50.
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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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