timchueyweather4u.com » Blog Archiv » Looks like we set a record high for today getting to 101 in Eugene. 100+ temperatures up and down the I-5 corridor. We’ll cool down a bit Sunday, but it will still be very warm.

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Aug

04.

Looks like we set a record high for today getting to 101 in Eugene. 100+ temperatures up and down the I-5 corridor. We’ll cool down a bit Sunday, but it will still be very warm.

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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 HEAT ADVISORY IS IN EFFECT UNTIL 9 PM THIS EVENING FOR THE NORTH AND CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD AND WEST TO FLORENCE AND SOUTH TO COTTAGE GROVE, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

A RED FLAG WARNING IS IN EFFECT FROM 5 AM SUNDAY 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 Sunday. The event will be streamed live on the web and will be broadcast on NASA TV.

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An upper air trough of low pressure (“U” shape on the orange line) pushed eastward away from us as high pressure (“Arch” shape on the orange line) moved over us and switched the onshore airflow to offshore allowing high temperatures to increase to hot for rest of the weekend. A thermal trough of low pressure will stay over the coast and coast range mountains aiding the warming process and helping to produce thunderstorms as it moves to the east.

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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: Clear this evening, partly cloudy tonight, mostly sunny Sunday, partly cloudy with a slight (20%) chance of thunderstorms Sunday night, mostly cloudy Monday AM, 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, then mostly cloudy Tuesday night lows 58-52 highs 92-86. A mix of clouds and sun Wednesday, partly cloudy in the evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday highs 83-80 warming to 85 Saturday lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with a slight (20%) chance of isolated thunderstorms tonight and Sunday AM, mostly cloudy with a slight (20%) chance of isolated thunderstorms Sunday afternoon and evening with gusty winds and small hail possible, mostly cloudy with a slight (20%) chance of thunderstorms late Sunday night, mostly cloudy Monday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy Monday night through Tuesday night lows 64-56 highs 92-85. Partly cloudy Wednesday and Wednesday evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, sunny again Friday afternoon, mostly clear Friday night, then mostly sunny Saturday highs 85-92 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 patchy areas of patchy fog and a slight (20%) chance of isolated inland thunderstorms tonight and Sunday with gusty winds and small hail possible in the afternoon, a slight (20%) chance of isolated thunderstorms in the evening with gusty winds and small hail possible, mostly cloudy late Sunday night, mostly cloudy with patchy coastal fog Monday AM, partly cloudy in the afternoon and evening, then mostly cloudy Monday night through Tuesday night lows 57-54 highs 64-66. Mostly cloudy Wednesday through Thursday night, partly cloudy Friday and Friday night, then mostly cloudy Saturday highs near 65 lows near 56. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly clear tonight, mostly sunny Sunday AM, a mix of clouds and sun with a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a slight (20%) chance of thunderstorms in the evening, partly cloudy with a slight (20%) chance of thunderstorms late Sunday night through Monday evening, partly cloudy Monday night, mostly sunny Tuesday AM, partly cloudy with a slight (20%) chance of thunderstorms Tuesday afternoon and evening, just partly cloudy late Tuesday night free air freezing level 16,000 ft. tonight, 15,000 ft. Sunday, 14,000 ft. Sunday night through Tuesday night lows 54-46 highs 80-76. Partly cloudy Wednesday through Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, then partly cloudy Friday night and Saturday free air freezing level 14,000 ft. Wednesday through Friday, 16,000 ft. Friday night, then 15,000 ft. Saturday highs 72-77 lows near 46.

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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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