Here is my new 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 Saturday through Wednesday show no frontal systems moving through the Pacific Northwest until a cold front is shown to our northwest Tuesday and next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 46 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 29 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL FURTHER NOTICE FOR ALL OF LANE COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL THIS AFTERNOON DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 2 PM TODAY FOR DOUGLAS AND KLAMATH COUNTIES.
- AN AIR QUALITY ADVISORY FOR WILDFIRE SMOKE IS IN EFFECT UNTIL 5 PM THIS EVENING FOR GRANT AND WHEELER COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON TODAY DUE TO WILDFIRE SMOKE FOR WILDFIRE SMOKE FOR HARNEY AND MALHEUR 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:
- Sunny and a bit warmer today, partly cloudy with evening haze, just partly cloudy late tonight,
- Mostly sunny and a bit warmer Thursday, partly cloudy in the evening, mostly clear at night,
- Mostly sunny and a bit cooler Friday, mostly clear in the evening, then partly cloudy late Friday night.
- highs 92-94 cooling to 89 Friday lows 59-57.
- AM clouds and sun, sunny and a bit cooler Saturday afternoon, mostly clear Saturday night
- Mostly sunny and a bit cooler Sunday and Monday, mostly clear both nights,
- Then mostly sunny and a bit warmer Tuesday.
- highs 88-85 warming to 87 Tuesday lows 57-54. (seasonal averages high 86 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:
- Partly cloudy and hazy with patchy AM smoke, partly and hazy and a bit warmer this afternoon, partly cloudy and hazy tonight with patchy smoke late tonight,
- Some AM clouds, sunny and a bit cooler Thursday, mostly clear at night,
- Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
- highs 93-90 lows 62-60 warming to 62 Friday night.
- Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear Saturday night,
- Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
- Some AM clouds, then sunny Tuesday afternoon.
- highs 89-87 lows near 60. (seasonal averages high 87 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy start, mostly cloudy and a bit cooler this afternoon, mostly cloudy and hazy late tonight,
- Mostly cloudy with patchy AM inland fog, partly cloudy and a bit warmer Thursday afternoon and evening, mostly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of AM drizzle, partly cloudy and a bit cooler Friday afternoon and evening, then mostly cloudy late Friday night.
- highs 67-69 cooling to 66 Friday lows 57-60.
- Mostly cloudy with patchy AM fog, sunny and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy Saturday night,
- AM clouds, sunny and a bit warmer Sunday afternoon, partly cloudy in the evening, mostly cloudy at night,
- Partly cloudy and a bit cooler and a bit warmer Monday, partly cloudy Monday night,
- AM clouds with patchy fog, then sunny Tuesday afternoon.
- highs 66-68 lows 59-57. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and hazy and a bit warmer today, mostly cloudy and hazy tonight,
- AM haze, mostly sunny and a bit cooler Thursday, partly cloudy in the evening, clear late at night,
- Sunny and a bit cooler Friday, then mostly clear Friday night.
- free air freezing level 16,000 ft. today and tonight, then 15,000 ft. Thursday and Thursday night, then 14,000 ft. Friday and Friday night.
- highs 82-77 lows 56-49.
- Sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
- Sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late Monday night,
- Then mostly sunny and a bit cooler Tuesday.
- free air freezing level 14,000 ft. Saturday through Tuesday.
- highs 74-69 lows near 47.
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