Aug
08.
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 56 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 78 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 53 in the Moderate 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 TODAY DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR DESCHUTES COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 3 PM TODAY FOR KLAMATH COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON TODAY DUE TO 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:
- AM sun and hazy, sunny and a bit cooler this afternoon, mostly clear with patchy fog late tonight,
- AM clouds and sun, sunny and a bit cooler Saturday afternoon, mostly clear at night,
- Mostly sunny and a bit cooler Sunday, mostly clear in the evening, then partly cloudy Sunday night.
- highs 90-85 lows 57-54.
- Mostly sunny and a bit cooler Monday, mostly clear Monday night,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then mostly sunny Thursday.
- highs 82-85 lows 52-54 cooling back to 52 Wednesday night. (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:
- Some AM clouds, sunny and hazy and a bit cooler this afternoon, mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear at night,
- Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, then partly cloudy late Sunday night.
- highs 93-86 lows 58-56.
- AM clouds, sunny and a bit cooler Monday afternoon, mostly clear Monday night,
- Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, sunny and a bit warmer Wednesday afternoon, mostly clear Wednesday night,
- Some AM clouds, then sunny Thursday afternoon.
- highs 87-84 warming back to 87 Wednesday lows 60-58 warming back to 60 Tuesday night. (seasonal averages high 87 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy dense AM coastal fog while areas of inland AM fog, mostly sunny and a bit warmer this afternoon, cloudy with areas of coastal fog tonight while mostly clear this evening, cloudy with areas of coastal drizzle tonight while mostly clear this evening inland and mostly cloudy with patchy inland fog late tonight,
- Mostly cloudy with patchy AM coastal fog and areas of drizzle while mostly cloudy with areas of inland AM fog, sunny Saturday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late at night,
- AM clouds and patchy fog, partly cloudy and a bit cooler Sunday afternoon, then mostly cloudy Sunday night.
- highs 69-68 lows 58-56.
- Mostly cloudy and a bit warmer Monday, partly cloudy Monday night,
- Partly cloudy and a bit warmer Tuesday and in the evening, partly cloudy late at night,
- Then partly cloudy and a bit cooler Wednesday and Thursday, partly cloudy Wednesday night.
- highs 72-75 lows 54- 57 cooling to 55 Wednesday night. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Hazy with areas of AM smoke, sunny and hazy and a bit warmer this afternoon, evening haze, mostly clear late tonight,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Sunny and a bit cooler Sunday, mostly clear in the evening, then partly cloudy late Sunday night.
- free air freezing level 15,000 ft. today and tonight, 15,000 ft. falling to 14,000 ft. Saturday, 14,000 ft. rising to 15,000 ft. Saturday night, then 14,000 ft. Sunday and Sunday night.
- highs 78-73 lows 52-45.
- Mostly sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late Monday night,
- Sunny Tuesday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Wednesday, mostly clear in the evening, partly cloudy Wednesday night,
- Then sunny and a bit warmer Thursday.
- free air freezing level 14,000 ft. Monday and Monday night, 13,000 ft. Tuesday, 14,000 ft. Tuesday night, 13,000 ft. Wednesday, 14,000 ft. Wednesday night, then 13,000 ft. Thursday.
- highs 68-72 lows 43-45.