Here is my weekly weather quiz question. “What is “Rime Ice?”
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An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3 show weak frontal waves moving across Oregon today and Tuesday for cooling. The graphics for days 3-7 Friday through Tuesday show a frontal system to our south Friday. Then no frontal activity through next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 37 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 14 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- NONE AT THIS TIME
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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Clear tonight,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Sunny and a bit cooler Thursday, partly cloudy at night,
- Mostly sunny and a bit cooler Friday, then clear Friday night.
- lows 48-42 highs 78-68.
- Sunny and slightly warmer Saturday, mostly clear Saturday night,
- Mostly sunny and a bit cooler Sunday, mostly clear at night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday, partly cloudy in the evening, mostly clear Monday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Tuesday.
- highs 69-66 warming to 68 Tuesday lows 42-44 (seasonal averages high 68 low 44)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (34)
TREES: MODERATE (76)
WEEDS: LOW (5)
Measured 5.14.24
Data courtesy of Oregon Allergy Associates.
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Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer Wednesday, clear Wednesday night,
- Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, mostly cloudy at night,
- Some AM clouds, sunny and cooler Friday, then clear Friday night.
- lows 52-54 cooling to 45 Friday night highs 82-72.
- Sunny Saturday, mostly clear Saturday night,
- Mostly sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
- highs 72-68 warming to 72 Tuesday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Sunny and a bit warmer Wednesday, mostly clear in the evening, mostly cloudy late Wednesday night with patchy coastal fog late,
- Mostly cloudy with patchy AM coastal fog, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, partly cloudy late at night,
- Sunny and a bit cooler Friday, then clear Friday night.
- lows 48-43 highs 65-62.
- Mostly sunny Saturday, mostly clear Saturday night,
- Mostly sunny Sunday, partly cloudy at night,
- Partly cloudy Monday, partly cloudy Monday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Tuesday afternoon.
- highs near 62 lows 44-46. (seasonal average high 60 low 48)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late at night,
- Sunny and cooler Friday, then clear Friday night.
- free air freezing level 13,000 ft. tonight through Thursday, snow level 7,500 ft. Thursday night, free air freezing level 8,000 ft. Friday, then 9,000 ft. Friday night.
- lows 40-42 cooling to 32 Friday night highs 69-55.
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow showers Monday night,
- Then mostly sunny and a bit warm with a good (50%) chance of rain and snow showers Tuesday.
- free air freezing level 9,000 ft. Saturday, 8,000 ft. Saturday night, 7,500 ft. Sunday, 7,000 ft. Sunday night, snow level 5,000 ft. Monday, then 5,500 ft. Monday night and Tuesday.
- highs 58-52 warming to 54 Tuesday lows near 33.
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