Feb
26.
Here is my new weekly weather quiz question. “What is a “Polar Front?”
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The Upper Level Low Pressure Trough (“U” shape) approaches the coast. The graphics for days 1-3 show high pressure weakens. A cold front moves in Wednesday. The graphics for days 3-7 Friday through Tuesday show a cold front moving over the Pacific Northwest Friday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 38 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)
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ADVISORIES:
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM TODAY ABOVE 1,000 FT. FOR THE NORTHERN OREGON CASCADE FOOTHILLS AND THE NORTHERN OREGON CASCADES.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM TODAY ABOVE 1,000 FT. FOR THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 AM TODAY ABOVE 1,000 FT. FOR THE UPPER HOOD RIVER VALLEY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 AM TODAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY ABOVE 3,000 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING ABOVE 2,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, AND JOSEPHINE COUNTY.
- *A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM TODAY ABOVE 3,000 FT. FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.UNTIL 1 AM TUESDAY ABOVE 2,500 FT. FOR JACKSON COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 AM THIS AFTERNOON ABOVE 1,000 FT. THE COAST RANGE OF NORTHWEST OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 AM TODAY ABOVE 1,000 FT. FOR THE CENTRAL COAST RANGE OF OF WESTERN OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY ABOVE 4,000 FT. FOR THE SOUTHERN BLUE MOUNTAIN OF OREGON, THE OCHOCO, AND THE JOHN DAY HIGHLANDS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY ABOVE 2,500 FT. FOR WALLOWA COUNTY.
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.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy a good (50%) chance of AM showers, rain likely (70%) and a bit cooler this afternoon (0.10 in. of rain possible, snow level 1,000 ft,), rain tonight (0.25 in. of rain possible),
- Mostly cloudy and a bit warmer with rain and breezy (Wind: S 15-25 mph gusts to 40 mph in the afternoon) Wednesday (0.10 in. of rain possible), evening rain, showers and breezy (Wind: SW 20-25 mph gusts to 40 mph) at night (1.00 in. of rain possible),
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Thursday, then showers and snow showers with a slight (20%) chance of thunderstorms Thursday night (snow level 1,500 ft.).
- highs 46-53 cooling to 45 Thursday lows 42-35.
- Mostly cloudy with rain and snow showers and a bit cooler Friday (snow level 1,500 ft.), showers with snow showers likely (70%) Friday night (snow level 1,000 ft.)
- Mostly cloudy with rain showers and snow showers likely (70%) Saturday (snow level 1,000 ft.), rain and snow showers likely (70%) at night (snow level 1,000 ft.),
- Mostly cloudy and a bit warmer with rain showers likely (70%) and a slight (20%) chance of snow showers Sunday (snow level 1,000 ft.), a good (50%) chance of rain and snow showers Sunday night (snow level 1,000 ft.),
- Then mostly cloudy with a good (50%) chance of showers Monday.
- highs 44-47 lows 34-32. (seasonal averages high 54 low 36)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: HIGH (121)
WEEDS: ABSENT (0)
Measured 2.26.24
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 cloudy with a good (50%) chance of rain and snow and a bit cooler today (under 0.10 in. of rain possible, snow level 1,000 ft. rising to 2,500 ft. this afternoon), a (30%) chance of rain late tonight (under 0.10 in. of rain possible, evening snow level 2,500 ft.),
- Mostly cloudy with a good (50%) chance of AM rain, a bit warmer with rain likely (70%) Wednesday afternoon (under 0.10 in. of rain possible), rain at night (0.50 in. of rain possible, snow level 2,500 ft. late at night),
- Mostly cloudy and a bit cooler with rain and snow and a slight (20%) chance of thunderstorms Thursday, then rain and snow Thursday night.
- highs 47-55 cooling to 45 Thursday lows 42 -32.
- Mostly cloudy with rain and snow and a bit cooler Friday, rain and snow Friday night,
- Mostly cloudy with rain and snow likely (70%) Saturday and at night,
- Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and snow and a bit warmer Sunday afternoon, a (40%) chance of rain and snow Sunday night,
- Then mostly cloudy and a bit warmer with a (30%) chance of rain and snow Monday.
- highs 44-47 lows 32-26 warming to 28 Sunday night. (seasonal average high 56 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (30%) chance of coastal rain today while a (30%) chance of inland AM rain and snow and a (30%) chance of inland rain this afternoon (under 0.10 in. of rain possible, AM snow level 2,000 ft.), a (40%) chance of rain tonight (under 0.10 in. of rain possible),
- Mostly cloudy with AM rain, rain (0.25 in. of rain possible) and a bit warmer Wednesday afternoon and breezy (Wind: S S 150-25 mph gusts to 40 mph, rain (1.00 in. of rain possible) and windy at night (Coastal Wind: SW 25-35 mph while inland Wind: SW 25-35 mph decreasing to SW15-25 mph late at night),
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Thursday, then rain and snow and breezy Thursday night.
- highs 50-55 cooling to 47 Thursday lows 44-38.
- Mostly cloudy and breezy with rain and snow and a bit cooler Friday, rain and snow likely (70%) late Friday night,
- Mostly cloudy with rain and snow Saturday, rain and snow likely (70%) at night,
- Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and snow and a bit warmer Sunday afternoon, a (30%) chance of rain and snow Sunday night,
- Then mostly cloudy and a bit warmer with a (30%) chance of rain and snow Monday.
- highs 46-50 lows near 36. (seasonal average high 55 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with AM snow showers likely (70%), a bit cooler with snow likely (70%) this afternoon (1-4 in. of snow possible), snow and rain likely (70%) tonight (0.50 in. of rain possible, 2-5 in. of snow possible),
- Mostly cloudy and a bit warmer with rain and snow Wednesday and windy (Wind: SW 15-20 mph gusts to 40 mph increasing to SW 20-30 mph gusts to 50 mph), evening rain and snow (patchy blowing snow), rain and snow showers with blowing snow (snow possibly heavy at times, visibility under 0.25 miles at times) late Wednesday night and very windy (Wind: SW 30-40 mph gusts to 60 mph),
- Mostly cloudy and a bit cooler with snow and rain showers (snow possibly heavy at times) Thursday and windy Thursday night (snow possibly heavy at times).
- snow level 1,500 ft. rising to 2,500 ft. this afternoon, 3,000 ft. rising to 4,000 ft. late tonight, 4,500 ft. Wednesday, 4,000 ft. Wednesday night, 2,500 ft. Thursday, then 2,000 ft. Thursday night.
- highs 30-37 cooling to 32 Thursday lows 25-27 cooling to 22 Thursday night.
- Mostly cloudy and a bit cooler with snow showers Friday and Friday night,
- Mostly cloudy with snow showers Saturday, snow showers likely (70%) at night,
- Mostly cloudy and a bit warmer with snow showers Sunday, snow showers likely (70%) Sunday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of snow and rain showers Monday.
- snow level 1,500 ft. Friday, at the surface Friday night through Sunday night, then 2,000 ft. Monday.
- highs 28-32 lows near 18.
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