_______________
Check out my latest Eugene Daily News Weather Or Not Column You Didn’t Do Anything, So It Must Be The TV Weather Guy’s Fault.
________________
Here is my new weekly weather quiz question. What is the difference between a “nautical mile” and a “statute mile?” 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.
________________
Advisories: 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.
________________
An upper level low (“U” shape with blue arrows) is moving slowly to the North away from us. As it keeps moving away the airflow will not support producing thunderstorms that could move through the area. High pressure will spread our way from the southeast to clear us out. Another low is starting its journey toward the Oregon coast later this week.
The Perseid meteor shower is in progress. The maximum number of “shooting stars” from the comet Swift-Tuttle will be visible after midnight tonight through Tuesday. There could be as many as 50 sighted per hour as they move from the NE quadrant of the sky. For best viewing go to where there are no city lights to brighten the sky. You also need for the clouds to clear off, at least a bit, so you can see the sky.
________________
The Grass Pollen Count is listed as Low at 2 and Tree pollen is Low at 2 as of 8/9/13 according to Oregon Allergy Associates.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
Partly cloudy this AM, mostly sunny this afternoon, mostly clear tonight.
Mostly sunny Wednesday, partly cloudy at night, a mix of clouds and sun Thursday, partly cloudy in the evening, then mostly cloudy Thursday night.
highs 86-88 cooling to 83 Thursday lows 50-56.
A mix of clouds and sun Friday, partly cloudy in the evening, mostly cloudy late Friday night, a mix of clouds and sun Saturday, partly cloudy Saturday night and Sunday AM, then mostly sunny Sunday afternoon and Monday with mostly clear skies Sunday night.
highs 84-80 warming to 86 Monday lows 55-52. (seasonal averages high 83 low 51)
________________
Forecast for the Umpqua Basin including Roseburg:
Mostly clear this evening, partly cloudy with patchy fog and haze late tonight and Tuesday, partly cloudy in the afternoon and evening, then mostly clear late Tuesday night, sunny
Wednesday, mostly clear at night, then partly cloudy Thursday and Thursday night.
highs 90-86 lows 59-57.
Partly cloudy Friday through Saturday night, then mostly sunny Sunday and Monday with mostly clear skies Sunday night.
highs 84-90 lows near 57. (seasonal averages high 85 low 56)
_________________
Forecast for the South Oregon Coast including Coos Bay and North Bend:
Mostly cloudy this AM with patchy fog, partly cloudy this afternoon and tonight, mostly cloudy Wednesday and Wednesday night with a slight (20%) chance of coastal rain and drizzle late at night, mostly cloudy with a slight (20%) chance of showers Thursday AM, then mostly cloudy in the afternoon and Thursday night.
highs 62-68 cooling to 64 Thursday lows 49-55.
Mostly cloudy Friday, partly cloudy Friday night through Sunday AM, sunny Sunday afternoon, mostly clear at night, then mostly sunny Monday.
highs 66-64 lows 53-57. (seasonal averages high 65 low 53)
________________
Forecast for the Cascades of Lane County:
Mostly sunny this AM, partly cloudy this afternoon, and evening, mostly clear late tonight.
Mostly sunny Wednesday, mostly clear at night. mostly sunny Thursday AM, then partly cloudy in the afternoon and Thursday night.
free air freezing level 13,000 ft. rising to 14,000 ft. today, 14,000 ft. tonight through Thursday, then 14,000 ft. falling to 13,000 ft. Thursday night.
highs 77-73 warming to 76 Wednesday lows 50-47.
Partly cloudy with a slight (20%) chance of showers and thunderstorms Friday afternoon and evening, partly cloudy Friday night through Saturday night, then mostly sunny Sunday and Monday with mostly clear skies Sunday night.
free air freezing level 13,000 ft. Friday AM, snow level above 8,000 ft. Friday afternoon and evening, free air freezing level 14,000 ft. late Friday night, 14,000 ft. Saturday and Saturday night, 14,000 ft. rising to 15,000 ft. Sunday afternoon, 15,000 ft. rising to 16,000 ft. Sunday night and Monday.
highs 72-77 lows near 49.
________________
**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.
________________
Get your local Eugene-Springfield and Lane County news on-line at Eugene Daily News.com.
________________