Jun
19.
Here is my new weekly weather quiz question. “What is the “Santa Ana Wind?”
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An Upper Level Low Pressure Trough (“U” shape) is moving eastward away from the Pacific Northwest to be replaced by an Upper Level High Pressure Ridge (“Arch” shape). The graphics for days 1-3 show no frontal systems moving through the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show no frontal systems pushing through the Pacific Northwest until a cold front moves through between Saturday night and Sunday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 42 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 20 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:
- Partly cloudy tonight,
- Sunny and a bit warmer Thursday (Summer Solstice 1:50 pm), mostly clear Thursday night,
- Sunny Friday, mostly clear at night,
- Sunny Saturday, mostly clear in the evening, then partly cloudy late Saturday night.
- lows 50-53 highs near 88.
- Mostly sunny and cooler Sunday, mostly clear Sunday night,
- Sunny Monday, mostly clear at night,
- Then sunny and a bit warmer Tuesday and Wednesday, mostly clear Tuesday night.
- highs 78-80 lows 47-49 (seasonal averages high 75 low 48)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: VERY HIGH (384)
TREES: MODERATE (25)
WEEDS: LOW (3)
Measured 6.19.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Becoming mostly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Thursday (Summer Solstice 1:50 pm), mostly clear Thursday night,
- Some AM clouds, sunny Friday afternoon, clear at night,
- Sunny Saturday, clear in the evening, then partly cloudy late Saturday night.
- lows 55-58 highs near 89.
- AM clouds, sunny and a bit cooler Sunday afternoon, clear Sunday night,
- Mostly sunny Monday, clear at night,
- Mostly sunny Tuesday, mostly clear Tuesday night,
- Then mostly sunny and a bit cooler Wednesday.
- highs 82-80 lows near 52. (seasonal average high 77 low 53)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with patchy early evening coastal drizzle and mostly cloudy with coastal drizzle continuing overnight with patchy fog late while partly cloudy inland in the evening and mostly cloudy with patchy inland fog late tonight,
- AM clouds with coastal drizzle and patchy fog, sunny and a bit warmer Thursday afternoon (Summer Solstice 1:50 pm), becoming mostly cloudy with patchy coastal drizzle and fog while mostly cloudy with patchy inland fog late Thursday night,
- Some AM clouds with patchy coastal drizzle and fog, sunny Friday afternoon, mostly clear in the evening, partly cloudy with patchy coastal fog late at night,
- Some AM clouds, sunny Saturday afternoon, partly cloudy in the evening, then mostly cloudy late Saturday night.
- lows 52-49 warming back to 52 Saturday night highs near 69.
- AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear Sunday night,
- Mostly sunny Monday, mostly clear at night,
- Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Some AM clouds, then sunny and a bit warmer Wednesday afternoon.
- highs 67-69 lows near 49. (seasonal average high 64 low 52)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Mostly sunny and a bit warmer Thursday (Summer Solstice 1:50 pm), mostly clear Thursday night,
- Sunny and a bit warmer Friday, mostly clear at night,
- Sunny and a bit warmer Saturday, then clear Saturday night.
- free air freezing level 12,000 ft. tonight and Thursday, 13,000 ft. Thursday night and Friday, 14,000 ft. Friday night, then 15,000 ft. Saturday and Saturday night.
- lows 45-49 cooling to 46 Saturday night highs 73-78.
- Sunny and a bit cooler Sunday and Monday, clear both nights,
- Then sunny and a bit warmer Tuesday and Wednesday, mostly clear Tuesday night.
- free air freezing level 15,000 ft. Sunday and Sunday night, 14,000 ft. Monday and Monday night, 13,000 ft. Tuesday and Tuesday night, then 12,000 ft. Wednesday.
- highs 70-68 warming to 72 Wednesday lows 42 -44.
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