Here is my weekly weather quiz question for the last time. What is an “Accessory Cloud?”  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.

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An upper level Low Pressure Trough (Shaded “U” shape with blue arrows) will take over bringing a series of frontal systems. Check out the frontal movement on the days 1,2 & 3 graphic bringing rain, possibly a lot of rain, to the Pacific Northwest. You’ll see days 3-7 show a series of frontal systems moving through about every other day or so.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 58 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 21 in the Good category measuringParticulate Matter.

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

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Advisories:

• A HIGH WIND WARNING IS IN EFFECT FROM 2 PM UNTIL MIDNIGHT THURSDAY FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, AND THE COAST RANGE OF WEST CENTRAL OREGON.
• A HIGH WIND WARNING IS IN EFFECT FROM 11 AM UNTIL 11 PM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH WIND WATCH IS IN EFFECT FROM 11 AM UNTIL 11 PM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH SURF WARNING IS IN EFFECT FROM 5 PM THURSDAY UNTIL 5 AM FRIDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH SURF ADVISORY IS IN EFFECT FROM NOON UNTIL 5 PM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH SURF ADVISORY IS IN EFFECT FROM 5 AM UNTIL 5 PM FRIDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH WIND WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A WIND ADVISORY IS IN EFFECT FROM 2 PM UNTIL 11 PM THURSDAY FOR JACKSON COUNTY.
• A HIGH WIND WARNING IS IN EFFECT FROM 2 PM THURSDAY UNTIL 8 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY, NORTHERN, CENTRAL LAKE COUNTY.
• A HIGH WIND WATCH IS IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY MORNING FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY, NORTHERN, CENTRAL LAKE COUNTY.
• A Blue-green Algae Health Advisory has been issued for Howard Bay located in Upper Klamath Lake. Water monitoring on the lake has confirmed the presence of high levels of blue-green algae and associated toxins that can be harmful to people and animals. Swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing and power boating, should be avoided in areas where blooms are identified. Although toxins are not absorbed through the skin, contact with cells from a bloom can cause skin irritation and a red, puffy rash in individuals with skin sensitivities, or those who develop rashes easily. Cell counts in other parts of the lake were low.
• A  Permanent Health Advisory is in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.
• A Blue-Green Algae Health Advisory remains in effect for Agency Lake. Agency Lake is located just north of Upper Klamath Lake near Klamath Falls along Highway 97 in Klamath County. Water monitoring on the lake has confirmed the presence of high levels of blue-green algae and associated toxins that can be harmful to people and animals. Swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing and power boating, should be avoided in areas where blooms are identified. Although toxins are not absorbed through the skin, contact with cells from a bloom can cause skin irritation and a red, puffy rash in individuals with skin sensitivities, or those who develop rashes easily.

 

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

• Increasing clouds to cloudy with a slight (20%) chance of evening rain, rain late tonight (0.25 in. of rain possible),
• Rain, heavy at times, and a bit cooler Thursday (1.00 in. of rain possible) and in the evening, rain at night (1.00 in. of rain possible) and Friday AM, showers and a bit cooler Friday afternoon (0.50 in. of rain possible), showers Friday night (0.25 in. of rain possible),
• Rain and windy Saturday, rain in the evening, then showers late at night.
• lows near 55 highs 62-60.
• Mostly cloudy with showers Sunday and Sunday night,
• Showers likely (70%) and a bit warmer Monday, rain likely (70%) Monday night and Tuesday, a (40%) chance of showers Tuesday night,
• Then mostly cloudy with a good (50%) chance of showers Wednesday.
• highs 60-63 lows near 52. (seasonal averages high 66 low 42)

 

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Your College Football Forecast

Ducks have a Bye week.

Next game:

Friday October 21st Ducks vs.California at California Memorial Stadium, Berkeley, CA – Kickoff 7:30 PM – Way too soon for an accurate weather forecast.

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Saturday October 15th:

Beavers vs Utah at Reser Stadium – Kickoff 1:00 PM – Mostly cloudy with rain and possibly windy, 55 warming to near 60 by the end of the game.

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Forecast for Roseburg:

• Cloudy with a slight (20%) chance of evening rain, rain likely (70%) late tonight (under 0.10 in. of rain possible),
• Rain (0.50 in. of rain possible) and a bit cooler Thursday and breezy (Wind: S 10-15 mph increasing to S 15-25 mph late in the afternoon), rain possibly heavy in the evening, rain (1.00 in. of rain possible) continues Thursday night (1.00 in. of rain possible) and breezy (Wind: SW 15-25 mph gusts to 40 mph),
• Mostly cloudy with rain in the AM, showers and a bit cooler Friday afternoon (0.25 in. of rain possible), a good (50%) chance of evening showers, then rain and a bit cooler Friday night (0.15 in. of rain possible) through Saturday night.
• lows 54-52 highs 66-63.
• Mostly cloudy with showers and a bit cooler Sunday and Sunday night,
• Showers likely (70%) and a bit warmer Monday and Tuesday, rain likely (70%) Monday night, then a slight (20%) chance of showers Tuesday night and Wednesday (a bit warmer).
• highs 59-68 lows 52-47. (seasonal averages high 68 low 45)

 

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

• Cloudy with coastal rain tonight while a good (50%) chance of inland evening rain and inland rain late tonight (0.50 in. of rain possible) and breezy (Wind: S 10-15 mph increasing to S 15-25 mph late tonight),
• Mostly cloudy with rain (1.00 in. of rain possible) Thursday and windy (Wind: S 20-30 mph increasing to S 25-40 mph late in the afternoon at the shore while S 10-15 mph increasing to S 15-25 mph inland in the afternoon), rain (1.50 in. of rain possible) possibly heavy at times in the evening and very windy (S 25-40 shifting SW 20-30 mph at the shore late at night while SW 15-25 mph late at night inland) Thursday night (1.50 in. of rain possible).
• Mostly cloudy with coastal showers and a bit cooler with a slight (20%) chance of thunderstorms Friday while AM rain inland and showers in the afternoon (0.50 in. of rain possible), evening showers, rain late Friday night (0.50 in. of rain possible),
• Then mostly cloudy with rain and windy and a bit warmer Saturday and Saturday night.
• lows near 56 highs 66-62.
• Showers and a bit cooler Sunday and at night,
• Mostly cloudy and a bit warmer with showers Monday, rain Monday night,
• Mostly cloudy with a good (50%) chance of showers and a bit warmer Tuesday and at night,
• Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday.
• highs 60-64 lows 54-50. (seasonal averages high 62 low 46)

 

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Forecast for the Cascades in Lane County:

• Increasing clouds with to cloudy this evening, rain likely (70%) late tonight (0.10 in. of rain possible),
• Mostly cloudy with rain and a bit cooler Thursday (0.75 in. of rain possible), rain and windy (Wind: SW 20-30 mph decreasing to SW 10-20 mph late at night,
• Rain Friday AM, showers and a bit cooler in the afternoon and Friday night,
• Mostly cloudy with rain and breezy and a bit warmer Saturday afternoon and evening, then showers and breezy Saturday night.
• snow level above 8,000 ft. tonight and Thursday, above 8,000 ft. falling to 7,500 ft. late Thursday night, 6,000 ft. Friday, then 6,500 ft. Friday night.
• lows near 42 highs 52-48 warming back to 52 Saturday.
• Showers and a bit cooler Sunday and Sunday night,
• Mostly cloudy with showers and a bit warmer Monday, rain or snow likely (70%) at night,
• Rain likely (70%) Tuesday, a good (50%) chance of showers Tuesday night,
• Then mostly cloudy with a (40%) chance of showers Wednesday.
• snow level 6,500 ft. Saturday, 6,000 ft. Saturday night, 6,500 ft. Sunday, 6,000 ft. Sunday night, 5,500 ft. Monday, 6,000 ft. Monday night and Tuesday, 7,000 ft. Tuesday night, then above 8,000 ft. Wednesday.
• highs 49-52 lows near 40.

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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 and Lane County news on-line at eugenedailynews.com.

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