May
13.
Here is my new 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 Thursday through Monday show a frontal system sliding through Oregon between Thursday and Friday and another frontal system sliding in next Monday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 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 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:
- Mostly clear this evening, partly cloudy late tonight,
- Sunny and slightly cooler Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit cooler Thursday, then clear Thursday night.
- lows 46-52 cooling to 49 Thursday night highs 74-80 cooling to 79 Thursday.
- Mostly sunny and cooler Friday, clear Friday night,
- Sunny Saturday, mostly clear at night,
- Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday.
- highs 70-73 cooling to 69 Friday lows 42-45t (seasonal averages high 68 low 44)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (58)
TREES: MODERATE (59)
WEEDS: LOW (5)
Measured 5.13.24
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:
- Mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, clear at night,
- Mostly sunny Thursday, then mostly clear Thursday night.
- lows 50-54 highs 77-85.
- Some AM clouds, sunny and cooler Friday, clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Mostly sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Then partly cloudy and a bit cooler with a slight (20%) chance of showers Monday.
- highs 83-73 warming to 76 Sunday 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:
- Variably cloudy tonight,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, mostly clear at night,
- Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
- lows 46-48 highs 64-68 cooling to 66 Thursday.
- Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear Friday night,
- Mostly sunny Saturday, mostly clear at night,
- Mostly sunny Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler Monday afternoon.
- highs 64-62 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:
- Partly cloudy tonight,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit warmer Thursday, mostly clear Thursday night.
- free air freezing level 12,000 ft. tonight, 13,000 ft. Tuesday through Wednesday, 13,000 ft. rising to 14,000 ft. late Wednesday night, then 14,000 ft. Thursday and Thursday night.
- lows 38-44 cooling to 42 Thursday night highs 67-72.
- Sunny and cooler Friday, clear Friday night,
- Sunny Saturday, mostly clear at night,
- Sunny and a bit warmer Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
- Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of snow showers Monday.
- free air freezing level 12,000 ft. Friday, 10,000 ft. Friday night, 10,000 ft. Saturday and Saturday night, 11,000 ft. Sunday, snow level 7,000 ft. Sunday, then 6,000 ft. Monday.
- highs 60-62 cooling to 56 Monday lows 33-37.
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