Mar
22.
Here is my weekly weather quiz question. “What is the “QPf Discussion?”
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An Upper Level High Pressure Ridge (“Arch” shape) starts migrating away from us. The graphics for days 1-3 show the frontal system that is moving through the Pacific Northwest today. The graphics for days 3-7 Monday through Friday show the parade of frontal systems headed toward the Pacific Northwest.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- NONE AT THIS TIME.
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 cloudy with evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight (0.25 in. of rain possible),
- Mostly cloudy with showers and a bit cooler Saturday with a slight (20%) chance of afternoon and evening thunderstorms (0.25 in. of rain possible, more in storms), a slight (20%) chance of evening thunderstorms, showers likely (70%) Saturday night (under 0.10 in. of rain possible, more in storms),
- Mostly cloudy and a bit cooler with showers Sunday, a good (50%) chance of evening showers, a slight (20%) chance of showers late at night,
- Mostly cloudy with rain and a bit cooler Monday, then rain Monday night.
- lows 43-40 highs 57-53.
- Mostly cloudy and a bit warmer with rain likely (70%) Tuesday, rain likely (70%) Tuesday night,
- Mostly cloudy and a bit cooler with rain Wednesday and at night,
- Mostly cloudy and a bit cooler with rain Thursday, rain Thursday night,
- Then mostly cloudy with rain and a bit warmer Friday.
- highs 57-53 warming to 55 Friday lows 43-40. (seasonal averages high 58 low 38)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: HIGH (129)
WEEDS: ABSENT (0)
Measured 3.22.24
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:
- Partly cloudy with early evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers overnight tonight (under 0.10 in. of rain possible, snow level 3,500 ft.),
- Mostly cloudy with a good (50%) chance of AM showers, showers with a slight (20%) chance of thunderstorms and a bit cooler Saturday afternoon (0.10 in. of rain possible), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a good (50%) chance of showers late Saturday night (under 0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with showers likely (70%) Sunday (snow level 3,500 ft.), a (30%) chance of showers at night (evening snow level 3,500 ft.),
- Mostly cloudy with showers likely (70%) and a bit cooler Monday and in the evening, the a good (50%) chance of showers late Monday night.
- lows near 42 highs 57-55.
- Mostly cloudy and a bit warmer with a (40%) chance of showers Tuesday, a good (50%) chance of showers Tuesday night,
- Mostly cloudy and a bit cooler with showers Wednesday, showers at night,
- Mostly cloudy with AM rain and snow showers, showers and a bit cooler Thursday afternoon, rain and snow showers Thursday night,
- Mostly cloudy with AM rain and snow showers, then showers and a bit warmer Friday afternoon.
- highs 59-53 warming to 55 Friday lows 45-42. (seasonal average high 60 low 40)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a good (50%) chance of evening coastal showers and a slight (20%) chance of thunderstorms and coastal showers with a slight (20%) chance of thunderstorms late tonight while mostly cloudy with inland showers likely (70%) and a slight (20%) chance of thunderstorms tonight (0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Saturday (0.25 in. of rain possible), evening showers likely (70%) with a slight (20%) chance of thunderstorms while mostly cloudy with a good (50%) chance of inland showers Saturday night (under 0.10 in. of rain possible),
- Mostly cloudy with AM coastal showers likely (70%) and a good (50%) chance of coastal showers Sunday afternoon while inland showers likely (70%) at night,
- Mostly cloudy with showers likely (70%) Monday and in the evening, then a good (50%) of showers Monday night.
- lows 44-42 highs near 55.
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Tuesday and in the evening, showers likely (70%) Tuesday night,
- Mostly cloudy with showers and breezy Wednesday, showers at night,
- Mostly cloudy with showers and a bit cooler Thursday, showers Thursday night,
- Then mostly cloudy with showers Friday.
- highs 56-53 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:
- Mostly cloudy with evening showers and snow showers with a slight (20%) chance of thunderstorms, rain and snow showers likely (70%) late tonight (0.50 in. of rain possible),
- Clouds and sun with a slight (20%) chance of AM rain and snow showers, rain showers and snow showers with a slight (20%) chance of thunderstorms and a bit cooler Saturday afternoon and in the evening, snow showers likely (70%) with a good (50%) chance of rain showers late Saturday night (1 in. of snow possible),
- Mostly cloudy with rain and snow showers and a bit cooler Sunday, evening rain and snow showers likely (70%), a chance of snow showers with a slight (20%) chance of rain showers late at night,
- Then mostly cloudy and a bit cooler with snow and rain Monday, snow and rain Monday night.
- snow level 5,000 ft. falling to 4,000 ft. tonight, 4,000 ft. Saturday, then 3,500 ft. Saturday night through Monday night.
- lows 30-28 highs 42-37.
- Mostly cloudy and a bit warmer with snow and rain likely (70%) Tuesday, rain and snow likely (70%) Tuesday night,
- Mostly cloudy and a bit warmer with rain and snow Wednesday, snow and rain at night,
- Mostly cloudy and a bit cooler with snow and rain Thursday, snow and rain likely (70%) Thursday night,
- Then mostly cloudy with snow and rain Friday.
- snow level 3,500 ft. Tuesday, 4,500 ft.Tuesday night and Wednesday, 3,500 ft. Wednesday night, 3,000 ft. Thursday and Thursday night, then 3,500 ft. Friday.
- highs 38-40 cooling to 36 Wednesday and Thursday lows near 27.
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