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 this evening. The graphics for days 3-7 Sunday through Thursday show a front that slides through between Tuesday and next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 25 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 9 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 16 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 UNTIL 5 PM TODAY 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, clear tonight,
- Sunny and a bit cooler Saturday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, then mostly clear Sunday night.
- highs 68-64 lows 40-42.
- Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy with a good (50%) chance of showers and a bit cooler Wednesday, a (40%) chance of evening showers, partly cloudy with a (40%) chance of showers late at night,
- Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday.
- highs 69-62 warming to 65 Thursday lows near 44 (seasonal averages high 69 low 44)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (79)
TREES: HIGH (92)
WEEDS: LOW (2)
Measured 5.16.24
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:
- Some AM clouds, sunny and cooler today, clear tonight,
- Sunny Saturday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler Sunday, then mostly clear Sunday night.
- highs 72-65 lows 42-44.
- Partly cloudy and a bit warmer Monday, partly cloudy Monday night,
- Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (2o%) chance of showers at night,
- Mostly cloudy a bit cooler with a (30%) chance of showers Wednesday, partly cloudy partly cloudy with a slight (20%) chance of showers Wednesday night,
- Then partly cloudy with a slight (20%) chance of showers and a bit warmer Thursday.
- highs 72-64 warming to 68 Thursday lows 46-48 cooling to 45 Wednesday night. (seasonal average high 72 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Some AM clouds, sunny and a bit warmer today (Coastal Wind: N 10-15 mph increasing to N 15-25 mph late this afternoon while Inland Wind: N 10-15 mph.), clear with patchy fog tonight and breezy (Coastal Wind: N 15-25 mph decreasing to N 10-15 mph late tonight while Inland Wind: N 15-20 mph decreasing to N 5-10 mph late evening and overnight),
- AM sun with patchy coastal fog while areas of inland fog, partly cloudy and a bit cooler Saturday afternoon, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy and a bit cooler Sunday, then mostly clear Sunday night.
- highs 62-59 lows 45-42.
- Mostly sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday, a slight (20%) chance of showers at night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then just partly cloudy and a bit warmer Thursday.
- highs 62-59 warming to 60 Wednesday lows 43-45 cooling back to 43 Wednesday night. (seasonal average high 61 low 48)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and cooler today, clear tonight,
- Sunny Saturday, partly cloudy with a slight (20%) of evening showers, mostly cloudy with a slight (20%) chance of rain showers and snow showers late at night,
- free air freezing level 7,500 ft. falling to 8,000 ft. this afternoon, 10,000 ft. falling to 9,000 ft. late tonight, 10,000 ft. falling to 9,000 ft. Saturday afternoon, 5,500 ft. falling to 5,000 ft. late Saturday night, 5,500 ft. Sunday, then 6,500 ft. Sunday night.
- highs 56-50 lows 33-29.
- Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday, mostly cloudy with rain and snow showers likely (70%) at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers Wednesday, mostly cloudy with a good (50%) chance of rain and snow showers Wednesday night,
- Then a mix of clouds and sun and a bit warmer with a (40%) chance of showers Thursday.
- free air freezing level snow level 8,000 ft. Monday, 9,000 ft. Monday night, snow level 7,000 ft. Tuesday, 6,500 ft. Tuesday night, 5,000 ft. Wednesday, 4,500 ft. Wednesday night, then 5,000 ft. Thursday.
- highs 57-44 warming to 48 Thursday lows 35-32.
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