Aug
09.
Here is my weekly weather quiz question. “What is “Smog?”
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The Jet Stream gives us Zonal airflow (West to East) continuing the warm temperatures over the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving into our area. The graphics for days 3-7 Monday through Friday show no frontal systems moving through the Pacific Northwest until a cold front is shown to our northwest Tuesday then sliding through next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 62 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 69 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 61 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 1 PM MONDAY DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 3PM MONDAY FOR JACKSON AND KLAMATH COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL MONDAY AFTERNOON FOR DESCHUTES AND GRANT COUNTIES.
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 and hazy tonight,
- Sunny and hazy and slightly warmer with areas of smoke Saturday afternoon, mostly clear and hazy Saturday night,
- Mostly sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy at night,
- Mostly sunny and a bit cooler Monday, then mostly clear Monday night.
- lows 57-52 highs 92-79.
- Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Then mostly sunny Thursday and Friday, party cloudy Thursday night,
- highs 82-84 lows near 54. (seasonal averages high 85 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: LOW (6)
Last Measured 8.6.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear and hazy tonight,
- Sunny and hazy Saturday, mostly clear and hazy Saturday night,
- Some AM clouds and hazy, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, partly cloudy late at night,
- AM clouds, sunny and a bit cooler Monday afternoon, then clear Monday night.
- lows 58-56 highs 92-80.
- Some AM clouds, mostly sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, partly cloudy late Thursday night,
- Then partly cloudy and a bit cooler Friday.
- highs 82-85 cooling to 84 Friday lows near 58. (seasonal averages high 87 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with evening haze, mostly cloudy and hazy late tonight,
- Mostly cloudy and hazy with patchy dense AM coastal fog, sunny and hazy Saturday afternoon, mostly cloudy and hazy with a slight (20%) chance of coastal drizzle Saturday night,
- AM clouds and patchy fog, partly cloudy and a bit cooler Sunday afternoon, mostly cloudy at night,
- Mostly cloudy start, partly cloudy and a bit cooler Monday afternoon, then partly cloudy Monday night.
- lows 57-52 warming to 54 Monday night highs 68-66.
- Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
- Partly cloudy and a bit warmer Wednesday and Thursday, partly cloudy both nights,
- Then partly cloudy and slightly cooler Friday.
- highs 68-70 cooling to 69 Thursday and Friday lows 54- 56 cooling to 55 Thursday night. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear and hazy with areas of smoke tonight,
- Sunny and hazy Saturday, mostly clear and hazy with areas of smoke Saturday night,
- Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler Monday, mostly clear in the evening, then partly cloudy late Monday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Saturday, 14,000 ft. rising to 15,000 ft. Saturday night, then 14,000 ft. Sunday through Monday night.
- lows 52-45 highs 78-73.
- Sunny and a bit cooler Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
- Mostly sunny and a bit warmer Wednesday, partly cloudy at night,
- Mostly sunny and a bit cooler Thursday, partly cloudy Thursday night,
- Then mostly sunny and a bit warmer Friday.
- free air freezing level 13,000 ft. Tuesday through Thursday, then 14,000 ft. Friday
- highs 68-72 lows 43-45..
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