Aug
07.
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 Sunday through Thursday show no frontal systems moving through the Pacific Northwest until a cold front is shown to our northwest Tuesday and Wednesday, then sliding through next Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 71 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 49 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 69 in the Moderate category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A RED FLAG WARNING IS N EFFECT FROM 11AM UNTIL 8 PM TODAY FOR THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND FOR THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 1 PM FRIDAY DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 8 PM TODAY DUE TO WILDFIRE SMOKE AND OZONE FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, EAST CENTRAL WILLAMETTE VALLEY, WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, AND THE NORTH OREGON CASCADES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM FRIDAY FOR DESCHUTES COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON FRIDAY 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:
- Mostly sunny and hazy and a bit warmer today, mostly clear with evening haze, partly cloudy late tonight,
- Mostly sunny and a bit cooler Friday, mostly clear in the evening, partly cloudy late Friday night,
- AM clouds and sun, sunny and a bit cooler Saturday afternoon, then mostly clear Saturday night.
- lows 58-56 highs 95-88.
- Mostly sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy Sunday night,
- A mix of clouds and sun and a bit cooler Monday, mostly clear at night,
- Then mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear Tuesday evening, partly cloudy late Tuesday night.
- highs 87-83 warming to 86 Wednesday lows 55-53 warming to 56 Tuesday night. (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:
- Some AM clouds and hazy with patchy smoke, sunny and hazy with patchy smoke and a bit cooler this afternoon, mostly clear and hazy with patchy smoke tonight,
- Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, sunny and a bit cooler Saturday afternoon, then mostly clear Saturday night.
- highs 94-89 lows near 62.
- Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, partly cloudy late Sunday night,
- Some AM clouds, sunny and a bit cooler Monday afternoon, mostly clear at night,
- Mostly sunny Tuesday, mostly clear Tuesday night,
- Some AM clouds, then sunny Wednesday 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 AM haze, sunny and a bit warmer this afternoon, mostly cloudy and hazy with patchy coastal fog late tonight,
- Mostly cloudy with patchy AM fog and a slight (20%) chance coastal rain, partly cloudy and a bit warmer Friday afternoon, mostly cloudy with patchy coastal fog at night and a slight (20%) chance of coastal rain late at night while mostly cloudy with areas of inland fog late at night,
- Mostly cloudy with areas of AM fog, partly cloudy and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy Saturday night.
- highs 67-69 cooling to 66 Friday lows 53-56.
- AM clouds, sunny Sunday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Sunday night,
- Partly cloudy and a bit cooler Monday, partly cloudy at night,
- Partly cloudy sunny and a bit warmer Tuesday and in the evening, mostly cloudy late Tuesday night,
- Mostly cloudy start, then partly cloudy and a bit cooler Wednesday afternoon.
- highs 66-68 lows 55-59 cooling to 57 Tuesday night. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- A mix of clouds and a bit cooler with haze and areas of smoke today, partly cloudy and hazy with areas of smoke tonight,
- Sunny and a bit warmer Friday, mostly clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- free air freezing level 15,000 ft. today through Friday night, 14,000 ft. Saturday, then 15,000 ft. Saturday night.
- highs 80-75 lows 53-49.
- Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy Sunday night,
- Mostly sunny and a bit cooler Monday, mostly clear at night,
- Sunny Tuesday, partly cloudy Tuesday night,
- Then mostly sunny Wednesday.
- free air freezing level 15,000 ft. Sunday and Sunday night, 14,000 ft. Monday and Monday night, then 13,000 ft. Tuesday through Wednesday.
- highs 74-69 lows near 47.
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