Here is my weekly weather quiz question. What is the “Solar Wind?”
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An Upper Level High Pressure Ridge takes over for some serious warming. The graphics for days 1-3 show no frontal systems sliding through Oregon through the period. The graphics for days 3-7 Sunday through Thursday show a frontal system pushing into the Pacific Northwest Sunday.
ADVISORIES:
- A HEAT ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM SATURDAY FOR THE OCHOCO, THE JOHN DAY HIGHLANDS, AND THE EAST SLOPES OF THE OREGON CASCADES.
- A HEAT ADVISORY IS IN EFFECT FROM 11 AM SATURDAY UNTIL 9 PM SUNDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE GRANDE RONDE VALLEY, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT FROM 5 AM UNTIL 9 PM SUNDAY FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON.
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Clear tonight,
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night.
- lows 54-56 cooling back to 54 Sunday night highs 97-85.
- Mostly sunny and a bit cooler Monday (Labor Day), mostly clear Monday night,
- Sunny and a bit warmer Tuesday and Wednesday, mostly clear Tuesday night,
- Then sunny Thursday.
- highs 80-92 lows near 54. (seasonal averages high 82 low 50)
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Your Saturday College Football Weather Forecast:
Saturday August 31st:
Ducks vs Idaho Vandals at Autzen Stadium, Game time 4:30 pm- Preliminary Weather Forecast: Sunny 92 degrees cooling to 75 by the end of the game.
Beavers vs Idaho State Bengals at Reser Stadium, Game time: 3:30 pm- Preliminary Weather Forecast: Sunny 94 degrees cooling to 83 by the end of the game.
Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Mostly sunny and a bit cooler Sunday, then mostly clear Sunday night.
- lows 65-58 highs 100-88.
- Some AM clouds, sunny and a bit cooler Monday afternoon (Labor Day), mostly clear Monday night,
- Mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights,
- Then mostly sunny and a bit warmer Thursday.
- highs 82-94 lows 58-60. (seasonal averages high 84 low 55)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Patchy AM dense coastal fog, sunny and a bit cooler Friday, patchy coastal fog and mostly clear Friday night,
- Some AM clouds and areas of coastal fog, sunny and a bit cooler Saturday afternoon, partly cloudy with patchy evening coastal fog, mostly cloudy at night,
- Mostly cloudy start, partly cloudy Sunday, then mostly cloudy with patchy fog and a slight (20%) chance of rain late Sunday night.
- lows 52-56 highs 68-75.
- Mostly cloudy with areas of AM fog and a slight (20%) chance of rain, partly cloudy and a bit cooler Monday afternoon (Labor Day), just partly cloudy Monday night,
- Partly cloudy and a bit warmer Tuesday, mostly clear Tuesday night,
- Then mostly sunny Wednesday and Thursday, mostly clear both nights,
- highs 68-75 lows near 57. (seasonal average high 68 low 53)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Sunny and a bit warmer Saturday, partly cloudy at night,
- Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night.
- free air freezing level 16,000 ft. tonight and Friday, 15,000 ft. Friday night through Sunday, then 14,000 ft. Sunday night.
- lows 52-55 cooling to 49 Sunday night highs 84-86 cooling to 80 Friday.
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday (Labor Day), partly cloudy Monday night,
- Sunny and a bit warmer Tuesday, mostly clear at night,
- Sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night,
- snow level above 8,000 ft. Monday, free air freezing level 13,000 ft. Monday night, free air freezing level 14,000 ft. Tuesday, 15,000 ft. Tuesday night and Wednesday, 16,000 ft. Wednesday night, then 15,000 ft. Thursday.
- highs 69-79 lows 45-53.