Jul
25.
Here is my weekly weather quiz question. “What is a “Sling Psychometer?”
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An Upper Level Low Pressure Trough in Canada and surface High Pressure off our coast keep the weather mild. The graphics for days 1-3 show no frontal systems moving through Oregon. The graphics for days 3-7 Sunday through Thursday show a cold frontal system to our northwest next Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 35 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 14 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 9 PM TONIGHT FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN, THE FREMONT WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM FRIDAY FOR DOUGLAS COUNTY AND KLAMATH COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL FURTHER NOTICE FOR CROOK, DESCHUTES, GRANT, MONROE, UMATILLA, AND WHEELER COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON FRIDAY 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:
- Clear tonight,
- Sunny and a bit warmer Friday with afternoon haze, mostly clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Sunny and a bit warmer Sunday, then mostly clear Sunday night.
- lows 49-55 highs 87-84 warming to 86 Sunday.
- Mostly sunny and a bit warmer Monday, partly cloudy with a slight (20%) of evening showers, mostly cloudy with a slight (20%) chance of showers late Monday night,
- Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, just partly cloudy at night,
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then mostly sunny and a bit warmer Thursday.
- highs 87-83 warming to 92 Thursday lows 59-57. (seasonal averages high 86 low 53)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: LOW (2)
Measured 7.23.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Sunny Saturday, mostly clear at night,
- Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
- lows 56-60 highs 85-88.
- Partly cloudy Monday, partly cloudy Monday night,
- Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon, partly cloudy at night,
- Partly cloudy and a bit warmer Wednesday, mostly clear Wednesday night,
- Then partly cloudy Thursday.
- highs 88-86 warming to 92 Thursday lows near 62 (seasonal averages high 88 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
- AM clouds, sunny and a bit warmer Saturday afternoon, mostly clear in the evening, mostly cloudy late at night,
- Partly cloudy and a bit warmer Sunday, then partly cloudy Sunday night.
- lows 52-56 highs 70-74.
- Mostly cloudy start, partly cloudy Monday afternoon, mostly cloudy with a slight (20%) chance of showers Monday night,
- Mostly cloudy with a slight (20%) chance of showers Tuesday, mostly cloudy at night,
- Mostly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
- Then partly cloudy Thursday.
- highs 74-75 lows near 57. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear and hazy with areas of smoke tonight,
- Sunny and hazy with areas of smoke and a bit warmer Friday, hazy with areas of evening smoke, partly cloudy Friday night,
- AM haze, sunny and a bit cooler Saturday, mostly clear and hazy with areas of smoke at night,
- Sunny Sunday, then mostly clear Sunday night.
- free air freezing level 15,000 ft. tonight, 15,000 ft. falling to 14,000 Friday afternoon, then 14,000 ft. Friday night through Sunday night.
- lows 43-46 highs 74-72.
- Sunny and a bit warmer Monday, partly cloudy Monday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Tuesday, just partly cloudy at night,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then sunny and a bit warmer Thursday.
- free air freezing level 14,000 ft. Monday, 13,000 ft. Monday night, snow level above 8,000 ft. Tuesday, 15,000 ft. Tuesday night then free air freezing level 16,000 ft. Wednesday through Thursday.
- highs 73-69 warming to 80 Thursday lows 48-52.
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