May
08.
Here is my weekly weather quiz question. “What is “Relative Humidity?”
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An Upper Level High Pressure Ridge (“Arch” shape ) is taking over giving us serious warming. The graphics for days 1-3 show the lack of frontal systems. The graphics for days 3-7 Sunday through Thursday show no frontal activity moving across the Pacific Northwest through the period except for a front to our north next Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 33 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:
- Sunny and warmer today, clear with patchy fog late tonight,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit cooler Saturday, then clear Saturday night.
- highs 80-87 cooling to 86 Saturday lows 49-53 cooling to 50 Saturday night.
- Sunny and a bit cooler Sunday (Mother’s Day), mostly clear Sunday night,
- Mostly sunny and a bit cooler Monday, partly cloudy at night,
- Sunny Tuesday, mostly clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 78-72 warming to 75 Wednesday lows near 47 (seasonal averages high 67 low 43)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: HIGH (103)
WEEDS: LOW (2)
Measured 5.8.24
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:
- Sunny and warmer today, clear tonight,
- Sunny and warmer Friday, clear at night,
- Sunny and a bit cooler Saturday, then clear Saturday night.
- highs 82-92 cooling to 89 Saturday lows 54-58 cooling to 53 Saturday night.
- Sunny and cooler Sunday (Mother’s Day), mostly clear Sunday night,
- Mostly sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy at night,
- Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Then mostly sunny and a bit warmer Wednesday.
- highs 82-77 warming to 79 Wednesday lows 52-49 warming back to 52 Tuesday night. (seasonal average high 70 low 47)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny and warmer today and Friday, clear both nights,
- Mostly sunny and cooler Saturday, then mostly clear Saturday night.
- highs 75-80 lows 53-46.
- Partly cloudy and a bit cooler Sunday (Mother’s Day), partly cloudy Sunday night,
- Partly cloudy and a bit cooler Monday and at night,
- Then mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights,
- Then mostly sunny and a bit warmer Wednesday.
- highs 63-66 lows 48-46 warming back to 48 Tuesday night. (seasonal average high 60 low 47)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and warmer today and Friday, clear both nights,
- Sunny Saturday, then clear Saturday night.
- free air freezing level 11,000 ft. rising to 12,000 ft. this afternoon, 12,000 ft. tonight through Saturday, then 13,000 ft. Saturday night.
- highs 63-72 lows 42-46.
- Sunny and a bit cooler Sunday (Mother’s Day), mostly clear in the evening, partly cloudy late Sunday night,
- Sunny and a bit cooler Monday, partly cloudy at night,
- Sunny Tuesday, mostly clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- free air freezing level 12,000 ft. Sunday through Monday, 13,000 ft. Monday night through Tuesday night, then 14,000 ft. Wednesday.
- highs 66-63 warming to 68 Wednesday lows near 40.
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