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 a weak frontal wave moving across Oregon between today and Friday. The graphics for days 3-7 Sunday through Thursday show a frontal system moving through Saturday and another front slides through between Tuesday and next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 37 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A WIND ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 11 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE THE NORTHERN 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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and a bit cooler today, partly cloudy tonight,
- Sunny and a bit cooler Friday, mostly clear at night,
- Sunny Saturday, then mostly clear Saturday night.
- highs 73-69 lows 47-42.
- Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, mostly clear Sunday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain Monday, partly cloudy at night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of rain Tuesday, mostly cloudy with a (40%) chance of rain Tuesday night,
- Mostly cloudy with a good (50%) chance of AM rain, partly cloudy with a good (50%) chance of rain Wednesday afternoon.
- highs 64-66 lows 42-45 (seasonal averages high 68 low 44)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (98)
TREES: HIGH (93)
WEEDS: LOW (3)
Measured 5.15.24
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:
- Patchy dense AM fog, sunny and a bit cooler this afternoon, mostly clear this evening, mostly cloudy late tonight,
- Some AM clouds, sunny and cooler Friday, clear at night,
- Mostly sunny Saturday, then mostly clear Saturday night.
- highs 79-72 lows 50-43.
- Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
- Partly cloudy and a bit cooler Monday, partly cloudy at night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (2o%) chance of showers Tuesday night,
- Then mostly cloudy with a (30%) chance of showers Wednesday.
- highs 68-66 lows 44-47. (seasonal average high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with areas of AM coastal fog while mostly cloudy with patchy inland AM fog , sunny and a bit warmer this afternoon, mostly cloudy tonight,
- Sunny Friday, clear at night,
- Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
- highs 63-62 lows 46-43.
- Mostly sunny Sunday, mostly clear Sunday night,
- Partly cloudy Monday, partly cloudy at night,
- Mostly cloudy with a slight (20%) chance of showers Tuesday and Tuesday night,
- Then mostly cloudy with a (30%) chance of showers Wednesday.
- highs 60-62 lows 43-45. (seasonal average high 61 low 48)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit cooler today, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of late tonight (under 0.10 in. of rain possible),
- Sunny and cooler Friday, clear at night,
- Sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night.
- free air freezing level 13,000 ft. today, snow level 7,000 ft. tonight, free air freezing level 9,000 ft. falling to 8,000 ft. Friday afternoon, 10,000 ft. rising to 11,000 ft. late Friday night, 10,000 ft. Saturday, then 8,000 ft. Saturday night.
- highs 66-56 warming to 58 Saturday lows 37-32.
- Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Mostly cloudy with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Tuesday, mostly cloudy with a good (50%) chance of rain and snow Tuesday night,
- Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and a slight (20%) chance of snow Wednesday.
- Wednesday.
- free air freezing level 6,000 ft. Sunday, 5,500 ft. Sunday night, snow level 4,500 ft. Monday, 5,500 ft. Monday night and Tuesday, 6,000 ft. Tuesday night, then 5,500 ft. Wednesday.
- highs 52-49 lows 32-33.
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