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Check out my latest Eugene Daily News Weather Or Not Column A Perfect Day In Every Way.

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And don’t forget my latest feature story in the continuing series on service club organizations called Who Are The Soroptimists And What Are They Doing?

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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is a “macroburst?”  Here is the correct answer. A Macroburst is a convective downdraft with an affected outflow area of at least 2½ miles wide and peak winds lasting between 5 and 20 minutes. Intense macrobursts may cause tornado-force damage of up to F3 intensity.  I’ll have another 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.

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An upper level low( Shaded “O”  shape with blue arrows)  is moving to the east  increasing the chances for another round of mountain showers and thunderstorms. High pressure (“Arch” shape in blue arrows offshore) will take over bringing plenty of sunshine and much warmer temperatures back during the workweek.

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Advisories:

• A HEAT ADVISORY IS IN EFFECT FROM 11 AM MONDAY UNTIL 11 PM TUESDAY FOR UNTIL 10 PM TUESDAY FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, THE NORTHERN OREGON CASCADES, THE CASCADES IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.
• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING UNTIL 11 PM TODAY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST (MINUS THE SISTERS RANGE DISTRICT), AND THE CENTRAL MOUNTAINS OF OREGON.
• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING UNTIL 8 PM TODAY FOR THE UMPQUA NATIONAL FOREST, SOUTHERN OREGON CASCADES, THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING UNTIL 5 AM MONDAY FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter at Springfield City Hall. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 32 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Eugene-Springfield Pollen Count:

Grass……….High (34)

Trees……….Low (12)

Last Counted: 7/11/14

Data Courtesy of Oregon Allergy Associates.

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

• Mostly cloudy with a (30%) chance of  showers and thunderstorms this evening (under 0.10 in. of rain possible), partly cloudy late tonight,
• Mostly cloudy Monday AM, mostly sunny and warmer in the afternoon, mostly clear Monday night,
• Mostly sunny Tuesday and Wednesday, mostly clear at night.
• lows near 56 highs 92-97 cooling to 93 Wednesday.
• Then mostly sunny Thursday, Friday, Saturday, and Sunday, mostly clear each night.
• highs 89-85 warming to near 90 Saturday and Sunday lows 53-58. (seasonal averages high 82 low 52)

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy with a slight (20%) chance of  thunderstorms this evening, just mostly cloudy late tonight,
• Mostly cloudy in the AM, sunny Monday afternoon, mostly clear at night,
• Sunny Tuesday, mostly clear at night,
• Mostly sunny Wednesday, then mostly clear Wednesday night.
• lows 57-63 cooling to 58 Wednesday night highs 97-100 cooling to 95 Thursday.
• Mostly sunny Thursday, Friday, Saturday, and Sunday, mostly clear each night.
• highs 95-89 lows 56-60. (seasonal averages high 84 low 56)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy tonight,
• Mostly cloudy Monday AM, partly cloudy in the afternoon, mostly cloudy at the shore at night while mostly clear inland in the evening and partly cloudy late Monday night,
• AM coastal clouds and partly cloudy Tuesday afternoon while sunny inland, partly cloudy in the evening, mostly cloudy late Tuesday night,
• Then partly cloudy Wednesday and Wednesday night.
• lows near 55 highs 65-60.
• Mostly sunny, Thursday, Friday, Saturday, and Sunday, clear each night,
• highs 62-67 lows 54-56. (seasonal averages high 65 low 53).

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Forecast for the Cascades in Lane County:

• Partly cloudy with a (40%) chance of showers and thunderstorms this evening, a (40%) chance isolated showers late tonight (under 0.10 in. of rain possible, more in storms),
• Mostly sunny in the AM, partly cloudy and warmer Monday afternoon and evening, clear late at night,
• Sunny Tuesday and Wednesday, then clear at night.
• snow level above 12,000 ft. tonight, free air freezing level 16,000 ft Monday through Wednesday night.
• lows 50-56 cooling to 54 Wednesday night highs 82-87 cooling to 82 Sunday.
• Mostly sunny Thursday, Friday and Saturday, mostly clear each night,
• Then sunny Sunday.
• free air freezing level 16,000 ft. Thursday through Saturday night, then 15,000 ft. Sunday.
• highs 79-73 warming to 76 Saturday and Sunday lows 48-52.

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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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