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Today is your last chance to win this week. Here is my new weekly weather quiz question. Define “veering winds.” 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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Record low 18 degrees Wednesday in Eugene and we broke the record again Thursday morning (14 degrees).

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Advisories:

• A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE  CENTRAL OREGON COAST AND THE COAST RANGE OF WESTERN OREGON, THE SOUTH WILLAMETTE VALLEY.
• A WIND CHILL WARNING IS IN EFFECT FROM 7 PM THIS EVENING UNTIL NOON SATURDAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE CENTRAL WILLAMETTE VALLEY, THE NORTH OREGON CASCADE FOOTHILLS, AND THE FOOTHILLS IN LANE COUNTY.
• A WIND ADVISORY IS IN EFFECT UNTIL 6 PM SATURDAY FOR THE GREATER PORTLAND/VANCOUVER AREA.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TODAY FOR THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, AND CENTRAL DOUGLAS COUNTY.
• A WINTER STORM WARNING IS IN EFFECT  UNTIL 4 AM SATURDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTH OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM UNTIL 10 AM TODAY FOR THE  SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, AND CENTRAL DOUGLAS COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY FOR KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

A Blue-Green Algae warning  has been cancelled for Tenmile Lakes in Coos County, but continues for Fern Ridge Reservoir, Lost Creek Lake, and Willow Creek Reservoir (NE Oregon). 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.

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An upper level high pressure ridge (Shaded “Arch” shape) is drawing much colder air down to the Pacific Northwest. A surface low and frontal system are moving southward along the Oregon coast producing our snowstorm while a trough of  (Shaded “U” shape) slides to the south and is the generating force for this snow event. Please drive slower and don’t make any sudden moves as your vehicle could start to skid. If you don’t really have to get out on the streets with your vehicle it is suggested that you stay put.

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

• Cloudy with snow today (0.25 in. of rain possible, 2-5 in. of snow possible), cloudy with a slight (20%) chance of evening snow showers, partly cloudy and cold with a slight (20%) chance of snow showers late tonight,
• Mostly sunny and cold Saturday, mostly clear at night.
• Partly cloudy Sunday, partly cloudy and colder at night.
• highs 29-23 warming to 30 Sunday lows 15-4 warming to 15 Sunday night.
• Partly cloudy Monday, cloudy with a good (50%) chance of rain at night,
• Cloudy with a (40%) chance of rain Tuesday, a good (50%) chance of rain Tuesday night,
• Then mostly cloudy with rain likely (60%) Wednesday through Thursday.
• highs 36-48 lows 22-40. (seasonal averages high 47 low 35).

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

• Rain and snow today (0.30 in. of rain possible, 2-3 in. of snow possible below 1,000 ft., 2-4 in. of snow above 1,000 ft. , snow level 100 ft.), mostly cloudy in the evening with a (30%) chance of rain or snow, clearing and colder late tonight (snow level 1,000 ft, 1.00 in. of snow possible),
• Sunny Saturday, mostly clear Saturday night,
• AM sunshine, partly cloudy Sunday night.
• highs 40-34 warming to 39 Sunday lows 23-20 warming to 26 Sunday night.
• Partly cloudy Monday AM, sunny in the afternoon, partly cloudy with a slight (20%) chance of rain Monday night,
• Mostly cloudy with a slight (20%) chance of rain Tuesday, a (40%) chance of rain Tuesday night and Wednesday, then showers likely (60%) Wednesday night and Thursday.
• highs 44-53 lows 30-43. (seasonal averages high 51 low 40)

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Forecast for the Cascades of Lane County:

• Mostly cloudy with snow today (3-6 in. of snow possible), snow showers likely (70%) in the evening, mostly cloudy and colder with a slight (20%) chance of snow showers (1-2 in. of snow possible, possible storm total 8 in. of snow) late tonight,
• Partly cloudy in the AM, mostly sunny Saturday afternoon, mostly clear Saturday night,
• Partly cloudy and just a bit warmer Sunday, then partly cloudy at night.
• snow level at the surface today and tonight, then free air freezing level at the surface Saturday through Sunday night.
• highs 17-15 warming to 19 Sunday lows 7-5 warming to 12 Sunday night.
• Partly cloudy and a bit warmer Monday, partly cloudy and not as cold with a slight (20%) chance of snow Monday night,
• Cloudy with a (40%) chance of snow Tuesday, a good (50%) chance of rain and snow Tuesday night,
• Snow and rain likely (60%) Wednesday, then rain and snow likely (60%) Wednesday night and Thursday, .
• free air freezing level at the surface Monday, snow level at the surface Monday night through Tuesday night, 3,000 ft. Wednesday and Wednesday night, then 4,000 ft. Thursday
• highs 28-38 lows 24-32.