Here is my new weekly weather quiz question. What is “Zulu Time?” 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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A  ridge of high pressure continues to keep us dry for the time being.  A frontal system moved through the extreme northern part of the Pacific Northwest Tuesday, but fizzled out and the high pressure will strengthen to keep the rain away from us. Enough moisture was trapped in the south Willamette Valley to keep Eugene in clouds and as a result much cooler temperatures today than expected. Yet another frontal system will hit the coast Saturday, but this time there will be a chance of getting wet Saturday through Monday. Remember, Daylight Saving Time officially ends and Standard Time returns at 2:00 am Sunday November 1st (Or at Bedtime Saturday October 31st, Halloween).

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 51 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 39 in the Good category measuring Particulate Matter.

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

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Advisories:

• A HEALTH ADVISORY HAS BEEN ISSUED FOR WILLOW CREEK RESERVOIR JUST EAST OF THE TOWN OF HEPNER IN MORROW COUNTY (NE CORNER OF OREGON). WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.
• A HEALTH ADVISORY CONTINUES FOR THE CLACKAMAS COVE PORTION OF THE CLACKAMAS  RIVER IN CLACKAMAS COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.
• A HEALTH ADVISORY CONTINUES FOR SUNSET BAY STATE PARK BEACH LOCATED IN COOS COUNTY FOR HIGHER-THAN-NORMAL FECAL BACTERIA WHICH CAN RESULT IN DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. DIRECT CONTACT WITH THE WATER – ESPECIALLY BY CHILDREN AND THE ELDERLY, WHO MAY BE VULNERABLE TO WATERBORNE BACTERIA – SHOULD BE AVOIDED IN THIS AREA UNTIL THE ADVISORY IS LIFTED. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN.
• A HEALTH ADVISORY CONTINUES FOR UPPER KLAMATH LAKE AND AGENCY LAKE DOWN TO KENO DAM, LOCATED JUST NORTH OF KLAMATH FALLS ALONG HIGHWAY 97 IN KLAMATH COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.

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

• Mostly clear tonight,
• Mostly sunny Thursday, mostly clear Thursday night,
• Partly cloudy and a bit cooler Friday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of rain Friday night (under 0.10 in. of rain possible),
• Mostly cloudy and cooler with showers Saturday, then a (40%) chance of showers at night.
• lows 45-52 cooling to 50 Saturday night highs 80-68.
• A mix of clouds and sun with a slight (20%) chance of rain Sunday, mostly cloudy with a slight (20%) chance of rain Sunday night,
• Cloudy with a good (50%) chance of rain Monday, mostly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun and a bit warmer Tuesday, mostly cloudy with a slight (20%) chance of showers Tuesday night,
• Then mostly cloudy with a (30%) chance of rain Wednesday.
• highs 72-69 warming to 73 Wednesday lows 52-49. (seasonal averages high 65 low 41)
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Your Saturday College Football Forecast:

Ducks vs Washington at Husky Stadium, Seattle, WA– Kickoff 7:30 PM PDT: Mostly cloudy with light rain likely (70%) and just showers later, 58 degrees cooling a bit as the game progresses, wind S 5 mph.

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Beavers vs Washington State at Martin Stadium, Pullman, WA – Kickoff 1:00 PM PDT: Becoming mostly cloudy with a 40% chance of rain in the afternoon, 65 degrees and warming to near 68 degrees by the end of the game, wind WSW 5-10 mph.

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Forecast for Roseburg:

• Clear tonight,
• Sunny and a bit warmer Thursday, partly cloudy Thursday night and Friday, partly cloudy with a (30%) chance of rain in the evening, mostly cloudy with a (30%) chance of rain late Friday night (under 0.10 in. of rain possible),
• Mostly cloudy and much cooler with a (40%) chance of showers Saturday, then a slight (20%) chance of showers at night.
• lows 53-55 cooling to near 5o Saturday night highs 84-70.
• Mostly cloudy Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
• Mostly cloudy and a bit warmer with a (30%) chance of showers Monday, a slight (20%) chance of showers at night,
• Just mostly cloudy Tuesday, partly cloudy Tuesday night,
• Then mostly cloudy and a bit cooler Wednesday.
• highs 72-75 cooling back to 72 Wednesday lows 52-50. (seasonal averages high 67 low 45)

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

• Clear tonight,
• Patchy AM coastal fog, sunny and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly cloudy with patchy coastal fog late Thursday night,
• Patchy AM coastal fog, partly cloudy and cooler Friday, mostly cloudy with a good (50%) chance of evening coastal rain and rain likely (60%) late at night while a good (50%) chance of inland rain Friday night (under 0.10 in. of rain possible),
• Mostly cloudy and a bit cooler with a good (50%) chance of showers Saturday, then a slight (20%) chance of showers at night.
• lows 55-53 warming back to 55 Friday night highs 73-66.
• Mostly cloudy and a bit cooler Sunday, mostly cloudy with a  slight (20%) chance of showers Sunday night,
• Cloudy with a (30%) chance of showers Monday, mostly cloudy with a slight (20%) chance of showers at night,
• Just mostly cloudy Tuesday and Tuesday night,
• Then mostly cloudy with a slight (20%) chance of showers Wednesday.
• highs near 64 lows near 52. (seasonal averages high 61 low 46).

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Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Mostly sunny Thursday, partly cloudy Thursday night and Friday (cooler), partly cloudy with a slight (20%) chance of showers in the evening, mostly cloudy with a good (50%) chance of rain late Friday night,
• Showers and colder Saturday, then mostly cloudy with a (40%) chance of showers Saturday night.
• free air freezing level 14,000 ft. tonight through Thursday night, 13,000 ft. Friday, then snow level above 8,000 ft. Friday night through Saturday night.
• lows 44-47 cooling to 37 Saturday night highs 77-55.
• A mix of clouds and sun and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain Sunday night,
• Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday, a (30%) chance of showers Monday night,
• A mix of clouds and sun and warmer Tuesday, partly cloudy at night,
• Then mostly cloudy with a (30%) chance of rain Wednesday.
• free air freezing level 9,000 ft. Sunday, snow level above 8,000 ft. Sunday night through Monday night, free air freezing level 12,000 ft. Tuesday and Tuesday night, then snow level above 8,000 ft. Wednesday.
• highs 60-56 Monday warming to 65 Wednesday 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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