Here is my weekly weather quiz question. What is a “Jetty? 

_________________

An Upper Level Low Pressure Trough (“U” shape) is approaching the Pacific Northwest and the Atmospheric River remains well to the south moving over central and southern California. The graphics for days 1-3 show the frontal system that moved through Oregon Thursday. The graphics for days 3-7 show an increase in complex frontal systems moving our way Monday through next Friday continuing the rain chances.

________________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 9 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 45 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

________________

ADVISORIES:

• A WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM SATURDAY FOR THE NORTHERN OREGON CASCADES, THE CASCADES IN LANE COUNTY,  THE NORTHERN OREGON CASCADE FOOTHILLS AND THE CASCADE FOOTHILLS IN LANE COUNTY.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM SATURDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 5 AM SATURDAY ABOVE 3,500 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
• A WINTER STORM WARNING IS IN UNTIL 11 AM SATURDAY FOR THE SOUTH CENTRAL THE OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM SATURDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM TODAY ABOVE 2,500 FT. FOR  EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM TODAY ABOVE 1,500 FT. FOR  EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM TODAY ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 AM SATURDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON  AND THE NORTHWEST BLUE MOUNTAINS.

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly cloudy with AM snow, showers and a slight (20%) chance of afternoon thunderstorms today (0.25 in. of rain possible, small hail possible, little or no snow accumulation expected, snow level 1,000 ft.), evening rain and snow showers with a slight (20%) chance of thunderstorms (small hail possible), rain and snow showers tonight (0.25 in. of rain possible, 1 in. of snow possible, snow level 500 ft.),
• Mostly cloudy with AM rain showers and snow showers (snow level 500 ft.), showers with a slight (20%) chance of thunderstorms Saturday afternoon and evening (0.10 in. of rain possible), rain and snow showers likely (70%) late at night (under 0.10 in. of rain possible, evening small hail possible, snow level 500 ft.),
• Mostly cloudy with a good (50%) chance of AM snow and rain showers, showers likely (70%) and a bit warmer Sunday afternoon (snow level 1,000 ft.), a good (50%) chance of evening showers, then a slight (20%) chance of rain and snow showers late Sunday night (snow level 1,500 ft.).
• highs 46-48 lows 34-32.
• Mostly cloudy with a good (50%) chance of AM rain and snow, a bit warmer with a good (50%) chance of rain Monday afternoon (snow level 1,500 ft.), rain likely (70%) late Monday night,
• Mostly cloudy with rain likely (70%) and a bit warmer Tuesday, a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of rain late at night,
• A mix of clouds and sun and a bit warmer with with a good (50%) chance of rain Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain, partly cloudy with a slight (20%) chance of rain late Wednesday night,
• Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain Thursday.
• highs 50-55 cooling to 53 Thursday lows near 32. (seasonal averages high 58 low 38)

__________

Home Wood Heating Advisory:

Posted Daily

Eugene-Springfield: GREEN– Burning is Allowed.

Oakridge: GREEN– Burning is Allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Data courtesy of Lane Regional Air Protection Agency (LRAPA

__________

Eugene-Springfield Pollen Count:

Forecast for the Umpqua Valley including Roseburg:

• Mostly cloudy with showers and snow showers with a slight (20%) chance of thunderstorms and a bit cooler today (0.10 in. of rain possible, 1-2 in. of snow lower elevations while 3-5 in. of snow above 1,500 ft., snow level 800 ft. rising to 1,500 ft. this afternoon) and evening (0.10 in. of rain possible, snow level 900 ft. rising to 1,500 ft.), rain and  snow showers late tonight (0.10 in. of rain possible, 2-3 in. of snow lower elevations while 3-5 in. of snow above 1,500 ft., snow level 800 ft.),
• Mostly cloudy with AM rain and snow showers, showers and snow showers with a slight (20%) chance of thunderstorms Saturday afternoon (0.10 in. of rain possible, snow level 900 ft.), evening rain and snow showers likely (70%), a good (50%) chance of rain and snow showers late at night (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of rain and snow showers and a bit warmer Sunday and  Sunday night.
• highs 45-48 lows 35-33 warming to 34 Sunday night.
• Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a (40%) chance of rain and snow and a bit warmer Monday afternoon, evening rain and snow, rain and snow likely (70%) Monday night,
• Mostly cloudy with rain and snow likely (70%) Tuesday, evening rain likely (70%), a good (50%) chance of rain and snow late at night,
• Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow likely (70%) and a bit warmer Wednesday afternoon, a (40%) chance of evening rain, a slight (20%) chance of rain and snow late Wednesday night,
• Then mostly cloudy with a (30%) chance of rain and snow Thursday.
• highs 52-54 lows 38-36 warming back to 38 Wednesday night. (seasonal averages high 60 low 40)

___________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms and a bit cooler today while inland showers and snow showers with a slight (20%) chance of thunderstorms and a bit cooler today (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,000 ft. rising to 1,500 ft. this afternoon), coastal showers at night while inland rain and snow showers with a slight (20%) chance of thunderstorms tonight (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,500 ft.),
• Mostly cloudy with AM coastal showers with coastal showers and a slight (20%) chance of thunderstorms Saturday afternoon while inland AM rain and snow showers and inland showers and snow showers and a slight (20%) chance of thunderstorms and a bit cooler in the afternoon (0.10 in. of rain possible), evening coastal showers and coastal showers likely (70%) at night while inland evening rain and snow showers and inland rain and snow showers likely (70%) late at night (0.10 in. of rain possible, snow level 1,500 ft.),
• Mostly cloudy with a (30%) chance of rain and snow showers and a bit warmer Sunday, then a (30%) chance of rain and snow showers late Sunday night.
• highs 48-50 lows 35-32 warming to 34 Sunday night.
• Mostly cloudy with a (40%) chance of AM rain and snow showers, rain and a bit warmer Monday afternoon and Monday night,
• Mostly cloudy and a bit warmer with rain likely (70%) Tuesday, rain likely (70%) at night,
• Mostly cloudy with rain likely (70%) Wednesday, then a (40%) chance of rain Wednesday night and Thursday.
• highs 50-52 lows near 35. (seasonal averages high 55 low 42)

__________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

• Mostly cloudy and a bit cooler with snow showers and a slight (20%) chance of thunderstorms this afternoon (0.75 in. of rain possible, small hail possible, 5-9 in. of snow possible, snow possibly heavy at times), evening snow showers with a slight (20%) chance of thunderstorms and small hail possible, snow showers late tonight (0.50 in. of rain possible, 4-8 in. of snow possible, snow possibly heavy at times),
• Mostly cloudy and a bit warmer with snow showers Saturday (moderate snow accumulation possible), snow showers Saturday night (light snow accumulation possible),
• Mostly cloudy with a good (50%) chance of AM snow showers, snow showers likely (70%) and a bit warmer Sunday afternoon, mostly cloudy with a good (50%) chance of evening snow showers, then partly cloudy with a good (50%) chance of snow showers late Sunday night.
• snow level at the surface tonight through Sunday night.
• highs 26-32 lows 18-16 warming to 18 Sunday night.
• Clouds and sun a good (50%) of AM snow, a mix of clouds and sun with snow likely (70%) and a bit warmer Monday afternoon,  snow and rain Monday night,
• Mostly cloudy with AM snow, rain Tuesday afternoon, evening snow and rain likely (70%), a good (50%) chance of snow and rain at night,
• Mostly cloudy with AM snow likely (70%), snow and rain likely (70%) Wednesday afternoon, evening snow and rain likely (70%), partly cloudy with a good (50%) chance of snow and rain late Wednesday night,
• Mostly cloudy AM snow, then snow and rain likely (70%) Thursday afternoon.
• snow level  2,000 ft. Monday, then 3,000 ft. Monday night through Thursday.
• highs near 34 lows 25-22.

__________

For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

__________