Feb
23.
Here is my weekly weather quiz question “What is a “PIBALD?”
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The Upper Level High Pressure Ridge (“Arch” shape) has moved over the Pacific Northwest bringing lots of sunshine for a while. The graphics for days 1-3 show high pressure holding on for one more. Low pressure will more day, then a cold front moves in Sunday returning the rain and cooler temperatures. The graphics for days 3-7 Monday through Friday show active weather with complex frontal systems active over the Pacific Ocean moving toward then into the Pacific Northwest.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 36 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 6 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 30 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A WINTER STORM WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON ABOVE 2,000 FT. FOR THE NORTHERN OREGON CASCADE FOOTHILLS, THE NORTHERN OREGON CASCADES, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.
- A WINTER STORM WATCH IS IN EFFECT FROM FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON ABOVE 2,000 FT. FOR THE UPPER HOOD RIVER VALLEY.
- A WINTER STORM WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A WINTER STORM WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON FOR THE EAST SLOPES OF THE OREGON CASCADES.
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 with patchy fog tonight,
- Patchy AM fog, mostly sunny and a bit cooler Saturday, partly cloudy with patchy fog Saturday night,
- Mostly cloudy and a bit cooler with rain Sunday afternoon, rain at night (0.25 in. of snow possible),
- Mostly cloudy with rain and cooler Monday with a slight (20%) chance of afternoon thunderstorms, then mostly cloudy showers likely (70%) and a slight (20%) chance of thunderstorms Monday night (snow level 1,000 ft.).
- lows 37-34 highs 57-46.
- Mostly cloudy and a bit warmer with showers Tuesday, rain Tuesday night,
- Mostly cloudy and a bit warmer with rain Wednesday, rain at night,
- Mostly cloudy and a bit cooler with rain and breezy Thursday, rain Thursday night,
- Then mostly cloudy and a bit cooler with rain Friday.
- highs 48-52 cooling to 46 Friday lows 43-38. (seasonal averages high 53 low 35)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: HIGH (91)
WEEDS: ABSENT (0)
Measured 2.22.24
Data courtesy of Oregon Allergy Associates.
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Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear tonight,
- Some AM clouds, sunny and a bit cooler Saturday, mostly clear in the evening, partly cloudy late Saturday night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday afternoon, cloudy with rain at night (0.25 in. of rain possible, snow level 2,500 ft. late at night,
- Mostly cloudy and colder with rain and snow Monday, a (40%) chance of rain and snow Monday night.
- lows 39-42 cooling back to 39 Monday night highs 60-45.
- Mostly cloudy with a good (50%) chance of AM rain and snow, a bit warmer with a good (50%) chance of rain Tuesday afternoon, rain likely (70%) Tuesday night,
- Mostly cloudy with rain likely (70%) Wednesday and in the evening, rain late Wednesday night,
- Mostly cloudy and a bit cooler with rain and breezy Thursday, rain and snow Thursday night,
- Then rain and snow and a bit cooler Friday (afternoon snow possibly heavy at times).
- highs 52-42 lows 42-44 cooling to 36 Thursday night. (seasonal average high 56 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Sunny and a bit cooler Saturday, mostly clear in the evening, partly cloudy late Saturday night,
- Mostly cloudy with a slight (20%) chance of coastal rain and a bit cooler Sunday afternoon while partly cloudy inland in the AM and mostly cloudy with a slight (20%) chance of inland rain at night (0.50 in. of snow possible),
- Mostly cloudy with AM rain, cooler with a good (50%) chance of rain Monday afternoon, then rain and snow Monday night.
- lows 42-40 highs 59-47.
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Tuesday afternoon, rain likely (70%) Tuesday night,
- Mostly cloudy and a bit warmer with rain and breezy Wednesday and Wednesday night,
- Mostly cloudy and a bit warmer with rain and windy Thursday, rain and windy and at night,
- Then mostly cloudy and breezy with rain and a bit cooler Friday.
- highs 52-55 cooling to 44 Friday lows 45-42. (seasonal averages high 54 low 41).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Mostly sunny and a bit cooler Saturday, partly cloudy Saturday night,
- A mix of clouds and sun with a good (50%) chance of rain and a bit cooler Sunday afternoon, snow and rain at night (snow possibly heavy at times),
- Mostly cloudy and colder with snow Monday (snow possibly heavy at times), then snow showers likely (70%) with a slight (20%) chance of Monday night.
- free air freezing level 9,000 ft. falling to 8,000 ft. late tonight, 9,000 ft. Saturday afternoon, 8,000 ft. falling to 7,500 ft. late Saturday night, snow level 5,000 ft. Sunday, 4,500 ft. Sunday night, 2,000 ft. Monday, then snow level at the surface Monday night.
- lows 30-22 highs 48-30.
- Mostly cloudy and a bit warmer with snow showers likely (70%) Tuesday, snow and rain and Tuesday night (snow possibly heavy at times),
- Mostly cloudy and a bit warmer with snow and rain Wednesday, snow and rain Wednesday night,
- Mostly cloudy and a bit cooler with snow and a slight (20%) chance of rain Thursday (snow possibly heavy at times), snow at night (snow possibly heavy at times),
- Then mostly cloudy and a bit cooler with snow (possibly heavy at times) Friday.
- snow level 1,500 ft. Tuesday, 3,500 ft. Tuesday night, 4,000 ft. Wednesday and Wednesday night, 3,500 ft. Thursday, then 2,000 ft. Thursday night and Friday.
- highs 32-35 cooling back to 32 Friday lows 28-30 cooling to 25 Thursday night.
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