timchueyweather4u.com » Blog Archiv » The Excessive Heat Warning is gone and so are the hot temperatures. It will be cooler, but humid now. That makes for a nice ending for the Lane County Fair.

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Aug

18.

The Excessive Heat Warning is gone and so are the hot temperatures. It will be cooler, but humid now. That makes for a nice ending for the Lane County Fair.

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No winner this week. Here is my weekly weather quiz question for the last time. What is the difference between an infrared satellite image and a visible satellite image? Here is the correct answer. The infrared satellite image senses the difference in temperatures in the atmosphere to see the clouds while the visible satellite image is a picture taken by the satellite like a regular camera would. There is another kind of image called the water vapor image. This is a more detailed explanation of the types of satellite images. 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 THROUGH 11 PM TONIGHT FOR NORTH CENTRAL OREGON, NORTH, CENTRAL, AND SOUTHERN OREGON CASCADES, THE FOOTHILLS OF DOUGLAS COUNTY, JACKSON, KLAMATH, AND LAKE COUNTIES. A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE JOHN DAY HIGHLANDS, THE JOHN DAY BASIN, AND THE SOUTHERN BLUE MOUNTAINS OF OREGON. A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE.

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A high pressure ridge (“Arch” shape on brown line) strengthened to keep us hot through Friday. We’ll see cooling, but more humid for the weekend as the ridge weakens and a low off the coast moves to the north. Thunderstorms are possible for today due to cooler air moving down from aloft and the warm moist air movin in from the south around the low. A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: AM clouds, a mix of clouds and sun hazy and cooler with a slight (20%) chance of thunderstorms this AM and again this afternoon, partly cloudy tonight, cloudy Sunday AM, a mix of clouds and sun Sunday afternoon, partly cloudy Sunday night, mostly cloudy Monday AM, mostly sunny in the afternoon, then partly cloudy Monday night highs 82-77 warming back to 80 Monday lows near 52. Cloudy Tuesday AM, mostly sunny in the afternoon, partly cloudy in the evening, cloudy Tuesday night and Wednesday AM, then partly cloudy Wednesday afternoon through Friday highs 75-78 cooling to 72 Thursday night lows 52-50. (seasonal averages high 83 low 51)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of smoke this afternoon through Monday night highs 87-82 warming to near 85 Monday lows 58-55. Partly cloudy with patchy smoke Tuesday and Tuesday night, partly cloudy Wednesday through Thursday night, then sunny Friday highs 78-80 cooling to 76 Friday lows 54-48. (seasonal averages high 85 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Becoming partly cloudy this afternoon and evening, cloudy with patchy fog late tonight and Sunday AM, partly cloudy in the afternoon and evening, cloudy with patchy fog late Sunday night and Monday AM, partly cloudy Monday afternoon, then mostly cloudy with patchy fog late Monday night highs 59-64 lows near 55. Mostly cloudy with patchy AM and lane night fog Tuesday through Wednesday, partly cloudy cloudy with patchy fog Wednesday night and Thursday, then partly cloudy Thursday night and Friday highs 64-62 warming to 65 Friday lows 54-50. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: A mix of clouds and sun with a good (50%) chance of chance of thunderstorms this AM, hazy with a slight (20%) chance of thunderstorms this afternoon and evening (under 0.10 in. of rain possible), partly cloudy and cooler late tonight and Sunday AM, mostly sunny in the afternoon, partly cloudy Sunday night and Monday AM, mostly sunny in the afternoon, mostly cloudy with a slight (20%) chance of showers in the evening, then just partly cloudy Monday night free air freezing level 15,000 ft. today, 14,000 ft. tonight, 13,000 ft. Sunday, 14,000 ft. Sunday night and Monday, then snow level above 8,000 ft. Monday night highs 75-66 lows 49-45. Partly cloudy Tuesday AM, mostly sunny in the afternoon, partly cloudy Tuesday night and Wednesday AM, partly cloudy with a slight (20%) chance of showers Wednesday afternoon and evening, partly cloudy Wednesday night, partly cloudy with a slight (20%) chance of showers Thursday, partly cloudy Thursday night, mostly sunny Friday AM, then partly cloudy Friday afternoon free air freezing level 13,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night through Thursday, then free air freezing level 12,000 ft. Thursday night and Friday 65-68 cooling to 62 Friday lows 46-42.

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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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