Here is my weekly weather quiz question. What is a “Symmetric Double Eye?”  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. Good luck.

________________

 

Weak high pressure (“Arch” shape in blue arrows) took over to raise the temperatures, but another upper level low (Shaded “circular” shape with blue arrows) moves in bringing the slight chance for showers for your Sunday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 35 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

 

Advisories:

• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING WITH DRY FUELS FROM 2 PM TO 11 PM TODAY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES, THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER STATION, AND THE CENTRAL MOUNTAINS OF OREGON.
• A Blue-Green Algae health advisory is in effect for Odell Lake in Lane County. Water testing has confirmed the presence of blue-green algae and the toxins they produce. People should avoid swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing or power boating, in areas where blooms are identified. Although toxins are not absorbed through the skin, people who have skin sensitivities may experience a puffy, red rash at the affected area.
• A Blue-Green Algae health advisory remains in effect for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake ONLY. People should avoid swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing or power boating, in areas where blooms are identified. Although toxins are not absorbed through the skin, people who have skin sensitivities may experience a puffy, red rash at the affected area.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and cooler this afternoon, mostly clear tonight,
• Mostly cloudy Saturday AM, partly cloudy and a bit cooler in the afternoon, mostly cloudy late Saturday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday and Sunday night.
• highs 83-75 lows 50-56.
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Monday through Tuesday AM, a mix of clouds and sun and a bit warmer Tuesday afternoon with a slight (20%) chance of showers, just mostly cloudy Tuesday night,
• AM cloudy, mostly sunny and a bit warmer Wednesday afternoon, clear at night,
• Then sunny and a bit warmer Thursday.
• highs 77-90 lows near 56. (seasonal averages high 84 low 52)

 

 

_____

Eugene-Springfield Pollen Count:

Grass………. Moderate (6)

Trees………. Low (2)

Last Counted: 8/2/16

Data Courtesy of Oregon Allergy Associates.

The Grass and Tree Pollen season is officially over now.

___________________

Forecast for Roseburg:

• Partly cloudy and cooler this afternoon, mostly clear in the evening, partly cloudy late tonight,
• AM clouds, sunny Saturday afternoon, mostly clear at night,
• Mostly cloudy Sunday AM, then partly cloudy and a bit cooler in the afternoon and Sunday night.
• highs 84-80 lows 54-58.
• Partly cloudy and a bit warmer Monday through Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
• Partly cloudy Wednesday AM, sunny and a bit warmer in the afternoon, mostly clear at night,
• Then mostly sunny and a bit warmer Thursday.
• highs 82-92 lows 59-57. (seasonal averages high 86 low 57)

 

________________

 

 

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Partly cloudy and a bit warmer this afternoon and evening, mostly cloudy late tonight and Saturday AM, partly cloudy Saturday afternoon, mostly cloudy with a slight (20%) chance of coastal drizzle late at night while mostly clear inland Saturday night,
• Mostly cloudy with a slight (20%) chance of drizzle Sunday AM, then mostly cloudy in the afternoon and Sunday night.
• highs near 66 lows near 55.
• Mostly cloudy Monday, just partly cloudy Monday night through Wednesday, mostly clear Wednesday night,
• Then mostly sunny Thursday.
• highs near 66 lows near 55. (seasonal averages high 65 low 53)

 

________________

 

Forecast for the Cascades in Lane County:

• Mostly sunny and cooler this afternoon, mostly clear and colder tonight,
• Mostly sunny Saturday AM, partly cloudy in the afternoon and Saturday night,
• Mostly cloudy in the AM, partly cloudy and a bit cooler Sunday with a slight (20%) chance of showers in the afternoon and evening, then mostly cloudy with a slight (20%) chance of showers Sunday night,
• free air freezing level 12,000 ft. today through Saturday night, then snow level above 8,000 ft. Sunday and Sunday night.
• highs 74-63 lows near 42.
• A mix of clouds and sun with a slight (20%) chance of showers and a bit cooler Monday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Monday night and Tuesday AM, partly cloudy and a bit warmer Tuesday afternoon and at night,
• Mostly sunny and a bit warmer Wednesday, clear at night,
• Then sunny and a bit warmer Thursday.
• free air freezing level 11,000 ft. Monday, snow level above 8,000 ft. Monday night and Tuesday, free air freezing level 12,000 ft. Tuesday night, 13,000 ft. Wednesday, then 14,000 ft. Wednesday night and Thursday.
• highs 62-79 lows 45-48.

________________

 

**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 eugenedailynews.com.

________________