Mar
15.
Here is my new weekly weather quiz question. “What is a “Psychrometer?”
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An Upper Level High Pressure Ridge (“Arch” shape) is strengthening and will taking over with warmer and dry weather. The graphics for days 1-3 show no frontal systems approaching the Pacific Coast. The graphics for days 3-7 Monday through Friday show the frontal system that be offshore then moving through the Pacific Northwest next Wednesday.
Note: The Vernal Equinox takes place next Tuesday March 19th at 8:06 pm to begin the season of Spring.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 9 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 24 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH SATURDAY EVENING FOR THE CLATSOP COUNTY COAST AND THE TILLAMOOK COUNTY COAST.
- A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH SATURDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
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 Saturday, clear Saturday night,
- Mostly sunny and a bit cooler Sunday afternoon, mostly clear at night,
- Some AM clouds, mostly sunny Monday afternoon, then mostly clear Monday night.
- lows 36-45 highs 73-72.
- Partly cloudy and a bit cooler Tuesday, partly cloudy with a slight (20%) chance of rain Tuesday night (Vernal Equinox 8:06 pm, Spring Begins),
- A mix of clouds and sun and a bit cooler with a (30%) chance of rain Wednesday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) of rain Wednesday night,
- A mix of clouds and sun and a bit cooler with with a (40%) chance of rain Thursday, a (40%) chance of showers Thursday night,
- Then mostly cloudy and a bit cooler with showers likely (70%) Friday.
- highs 66-54 lows 44-42. (seasonal averages high 57 low 37)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: HIGH (204)
WEEDS: ABSENT (0)
Measured 3.14.24
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:
- Clear with areas of dense evening fog, widespread fog late tonight,
- Areas of dense AM fog, sunny and a bit warmer Saturday, clear Saturday night,
- Sunny and a bit cooler Sunday, clear at night,
- Mostly sunny and a bit warmer Monday, then mostly clear Monday night.
- lows 40-47 highs 72-75.
- AM clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Tuesday night (Vernal Equinox 8:06 pm, Spring Begins),
- Mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday, a (30%) chance of showers at night,
- Mostly cloudy and a bit cooler with a (40%) chance of showers Thursday, a (40%) chance of showers Thursday night,
- A good (50%) chance of AM showers, then showers likely (70%) Friday afternoon.
- highs 72-56 lows 46-42. (seasonal average high 59 low 40)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Clear tonight,
- Sunny and a bit cooler Saturday, clear with patchy coastal fog late Saturday night,
- Mostly sunny and a bit cooler Sunday, mostly clear at night,
- Some AM clouds, sunny Monday afternoon, mostly clear in the evening, then mostly cloudy Monday night.
- lows 46-43 warming to 45 Monday night highs 68-65.
- Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon, a slight (20% ) chance of showers Tuesday night (Vernal Equinox 8:06 pm, Spring Begins),
- Mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday, mostly cloudy with a (30%) chance of showers at night,
- Mostly cloudy and a bit cooler with a (40%) chance of showers Thursday, a (40%) of showers Thursday night,
- Mostly cloudy with a (40%) chance of AM showers, then mostly cloudy with showers likely (70%) Friday afternoon.
- highs 60-55 lows 44-42. (seasonal average high 55 low 42)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear tonight,
- Sunny and a bit cooler Saturday, clear Saturday night,
- Mostly sunny and a bit warmer Sunday, clear at night,
- Mostly sunny and a bit warmer Monday, then mostly clear Monday night.
- free air freezing level 11,000 ft. tonight. 10,000 ft. rising to 11,000 ft. Saturday, 11,000 ft. Saturday night, then 11,000 ft. Sunday through Monday night,
- lows 29-35 highs 52-59.
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Tuesday, partly cloudy with a (20%) chance of rain and snow Tuesday night (Vernal Equinox 8:06 pm, Spring Begins),
- A mix of clouds and sun with a (40%) chance of rain and snow and cooler Wednesday, partly cloudy with a (40%) chance of evening rain and snow, a (50%) chance of rain and snow at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Thursday, mostly cloudy with rain and snow showers likely (70%) Thursday night.
- Then mostly cloudy and a bit cooler with rain and snow showers likely (70%) Friday,
- snow level 7,000 ft. Tuesday and Tuesday night, 5,500 ft. Wednesday, 4,500 ft. Wednesday night, 4,000 ft. Thursday, 4,500 ft. Thursday night, then 4,000 ft. Friday.
- highs 57-39 lows 33-28.
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