timchueyweather4u.com
Tim Chuey Weather
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Sorry, no winner this week. Here is my weekly weather quiz question for the last time.  Define “Aurora Australis.” Here is the correct answer. The aurora australis (or the southern lights) is the southern counterpart and has almost identical features to the aurora borealis which is a natural light display in the sky particularly in the high latitude (Arctic and Antarctic) regions, caused by the collision of energetic charged particles with atoms in the high altitude atmosphere (thermosphere). The charged particles originate in the magnetosphere and solar wind and, on Earth, are directed by the Earth’s magnetic field into the atmosphere. Aurora is classified as diffuse or discrete aurora. Most aurorae occur in a band known as the auroral zone,[1][2] which is typically 3° to 6° in latitudinal extent and at all local times or longitudes.and changes simultaneously with changes in the northern auroral zone[7] and is visible from high southern latitudes in Antarctica, South America, New Zealand, and Australia. I’ll have another weekly weather quiz question for you starting next 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.

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Advisories: A RED FLAG WARNING IS IN EFFECT UNTIL 5 AM MONDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE NORTH CASCADES OF OREGON, THE SOUTH CASCADES OF OREGON, SWINGING WEST THROUGH CRATER LAKE TO CAVE JUNCTION AND ALONG THE OREGON-CALIFORNIA BORDER. BE AWARE OF AREAS THAT ARE OPEN FIRE RESTRICTED AND BE ESPECIALLY CAREFUL  WITH SMOKING MATERIALS.

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Curiosity, NASA’s newest Mars Science Laboratory spacecraft, will be setting down on the surface of Mars at about 10:31 PM PDT today. The event will be streamed live on the web and will be broadcast on NASA TV, although no video of the actual landing is possible you’ll be able to hear descriptions of what is happening.

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An upper air trough of low pressure (“U” shape made of black lines with blue shading) will be bringing us enough marine air to cool our high temperatures down to more comfortable levels.

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The pollen count for the Eugene-Springfield area is:
Grass- (barely) Moderate (5)  (Observation: The grass pollen season is over.)                              Trees- Low (2)  This report from 7/26/12, waiting for a new update.
Data from Oregon Allergy Associates www.oregonallergyassociates.com.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with a slight (20%) chance of  thunderstorms this evening, mostly cloudy late tonight and Monday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Monday night, a mix of clouds and sun Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Tuesday night, a mix of clouds and sun Wednesday, partly cloudy in the evening, then mostly cloudy Wednesday night lows 56-50 highs 87-80. Mostly cloudy Thursday AM, mostly sunny in the afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday and Sunday with partly cloudy skies Saturday night highs 80-85 lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of isolated thunderstorms this evening with gusty winds and small hail possible, mostly cloudy late tonight and Monday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy Monday night, mostly cloudy Tuesday AM, sunny in the afternoon, mostly cloudy clear in the evening, partly cloudy Tuesday night, then mostly cloudy Wednesday and Wednesday night lows 59-56 highs 90-86. Partly cloudy Thursday through Friday AM, sunny again Friday afternoon, mostly clear Friday night, then mostly sunny Saturday and Sunday with mostly clear skies Saturday night highs 87-92 cooling to 88 Sunday lows near 57. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a slight (20%) chance of isolated thunderstorms this evening with gusty winds and small hail possible, mostly cloudy late tonight, mostly cloudy with patchy coastal fog Monday AM, partly cloudy in the afternoon and evening, mostly cloudy Monday night, cloudy with patchy coastal fog and a slight (20%) chance of drizzle Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy with patchy coastal fog late Tuesday night and Wednesday AM, then mostly cloudy Wednesday afternoon and Wednesday night lows near 55 highs near 66. Mostly cloudy Thursday and Thursday night, partly cloudy Friday through Sunday AM, then sunny Sunday afternoon highs 66-68 cooling to 65 Sunday lows 55-58. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of thunderstorms this evening, partly cloudy with a slight (20%) chance of thunderstorms late tonight through Monday evening, partly cloudy Monday night, mostly sunny Tuesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of thunderstorms Tuesday evening, just partly cloudy late Tuesday night through Wednesday night free air freezing level 14,000 ft. tonight through Wednesday, then 15,000 ft. Wednesday night lows 52-56 cooling to 49 Wednesday night highs 77-70. Partly cloudy Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, partly cloudy Friday night and Saturday AM, then mostly sunny Saturday afternoon and Sunday with mostly clear skies Saturday night free air freezing level 15,000 ft. Thursday through Sunday highs 72-77 lows 53-50.

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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 news on-line at Eugene Daily News.com

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