Jun
27.
Here is my weekly weather quiz question. “What are “Sastrugi?”
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An Upper Level High Pressure Ridge (“Arch” shape) strengthens again bringing more sunshine. The graphics for days 1-3 show no frontal systems moving through Oregon. The graphics for days 3-7 Sunday through Thursday show a frontal system will be moving through Oregon next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 4 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 5 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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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 tonight,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- A mix of clouds and sun Saturday, mostly cloudy in the evening, partly cloudy late at night,
- Mostly sunny Sunday, then mostly clear Sunday night.
- lows 49-54 cooling to 52 Sunday night highs near 82.
- Mostly sunny Monday, clear Monday night,
- Sunny Tuesday, clear at night.
- Then sunny and a bit warmer Wednesday and Thursday (Independence Day), clear Thursday night,
- highs 82-88 lows near 50. (seasonal averages high 78 low 50)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (36)
TREES: LOW (11)
WEEDS: ABSENT (0)
Measured 6.27.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear this evening, partly cloudy late tonight,
- Patchy AM clouds, sunny and a bit warmer Friday afternoon, mostly clear Friday night,
- Partly cloudy and a bit cooler Saturday, mostly clear at night,
- A clouds, sunny and a bit cooler Sunday afternoon, then mostly clear Sunday night.
- lows 53-58 cooling to 54 Sunday night highs 84-82.
- Mostly sunny and a bit cooler Monday, clear Monday night,
- Sunny and a bit warmer Tuesday, clear at night,
- Sunny and a bit warmer Wednesday,clear Wednesday night,
- Then sunny and a bit warmer Thursday (Independence Day).
- highs 84-87 lows near 54. (seasonal average high 81 low 55)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, becoming mostly cloudy with patchy coastal fog late tonight while areas of inland fog late tonight,
- Some AM clouds with patchy AM coastal fog while areas of inland AM fog, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy with patchy coastal fog late Friday night while areas of inland fog late Friday night,
- Mostly cloudy with areas of AM coastal fog while patchy inland fog, partly cloudy and å bit warmer Saturday afternoon, partly cloudy with patchy evening coastal fog, mostly cloudy with areas of coastal fog late at night,
- Mostly cloudy with areas of AM fog, sunny and a bit warmer Sunday afternoon, then partly cloudy Sunday night
- lows 52-56 cooling to 53 Sunday night highs 69-72.
- Party cloudy and a bit cooler Monday, mostly clear with patchy fog Monday night,
- Patchy AM fog, mostly sunny and a bit cooler Tuesday, mostly clear at night,
- Mostly sunny Wednesday, mostly clear Wednesday night,
- Then sunny Thursday (Independence Day).
- highs 70-68 lows near 49. (seasonal average high 65 low 52)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and warmer Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly cloudy with a slight (20%) chance of evening showers, mostly clear with a slight (20%) chance of showers late at night,
- Mostly sunny with a slight (20%) chance of showers Sunday, mostly clear with a slight (20%) chance of evening showers, then partly cloudy with a slight (20%) chance of showers late Sunday night.
- free air freezing level 12,000 ft. tonight, 13,000 ft. Friday and Friday night, 12,000 ft. Saturday, snow level above 8,000 ft. Saturday through Sunday night.
- lows 39-44 cooling to 42 Saturday night and Sunday night highs 70-66.
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Then sunny and a bit warmer Tuesday, Wednesday, and Thursday (Independence Day), clear Tuesday night and Wednesday night.
- free air freezing level 14,000 ft. Monday, 15,000 ft. Monday night and Tuesday, 16,000 ft. Tuesday night and Wednesday, then 17,000 ft. Wednesday night and Thursday.
- highs 67-79 lows 42-46.
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