Here is my weekly weather quiz question. What is  “Air Stagnation?” Please remember to post your answer at the bottom of this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) is controlling our weather for the foreseeable future. The graphic for days 1-3 shows the next fronts that bring back the freezing Winter precipitation for a short time. Watch out for any slippery roads. The graphic for days 3-7 shows very active frontal systems heading our way next week. For mountain snow conditions at the local ski areas check out their websites or give them a call. Punxsutawney Phil saw his shadow at Gobbler’s Knob, about 2 miles outside of Punxsutawney, Pennsylvania this morning predicting 6 more weeks of Winter.

________________

 

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 54 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 59 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 52 in the Moderate category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

________________

Home Wood Heating Advisory:

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)

________________

Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL WILLAMETTE VALLEY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE LOWER COLUMBIA, THE NORTHERN OREGON CASCADE FOOTHILLS.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE GREATER PORTLAND METRO AREA.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 6 AM SATURDAY  FOR THE WESTERN COLUMBIA RIVER GORGE.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM SATURDAY FOR THE CENTRAL COLUMBIA GORGE AND THE UPPER HOOD RIVER VALLEY.
• A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR  THE CENTRAL WILLAMETTE VALLEY AND THE SOUTH WILLAMETTE VALLEY.
• A WIND ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY ABOVE 500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
• A HIGH WIND WARNING IS IN EFFECT UNTIL 4 PM SATURDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY,
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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 with rain this afternoon and any ice slowly melting (0.25 in. of rain possible), rain and breezy (Wind: S 15-25 mph) tonight (0.25 in. of rain possible),
• Then mostly cloudy and a bit warmer with rain Saturday (0.25 in. of rain possible) through Sunday, rain heavy at times in the evening, then rain Sunday night.
• highs 45-52 lows 42-35.
• Mostly cloudy and a bit cooler with a good (50%) chance of showers Monday, cloudy with a good (50%) chance of showers Monday night and Tuesday, mostly cloudy with a (30%) chance of showers at night,
• Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, cloudy with rain likely (70%) Wednesday night,
• Then a good (50%) chance of rain Thursday.
• highs 43-53 lows 34-40. (seasonal averages high 49 low 35)

 

_____________________

Forecast for Roseburg:

• Mostly cloudy with rain today through Saturday night (0.25 in. of rain possible each period today through Saturday night),
• Cloudy with AM rain likely (70%), then rain and a bit warmer Sunday afternoon and at night.
• highs 53-56 lows near 45-39.
• Mostly cloudy and colder with rain and snow showers Monday, a (30%) chance of rain and snow showers Monday night,
• Rain and snow likely (70%) and a bit warmer Tuesday, mostly cloudy with a (40%) chance of showers at night,
• Showers likely (70%) and a bit warmer Wednesday, mostly cloudy with a good (50%) chance of showers at night,
• Then mostly cloudy and a bit warmer with rain likely (70%) Thursday.
• highs 43-59 lows 38-50. (seasonal averages high 52 low 37)

________________

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

• Cloudy with rain with a (30%) chance of thunderstorms at the shore and a bit cooler today while rain inland (0.25 in. of rain possible), rain (0.25 in. of rain possible) tonight and breezy (Wind: S 15-25 mph gusts to 40 mph at the shore while S 10-20 mph inland,
• Mostly cloudy and a bit cooler with rain Saturday (0.50 in. of rain possible), rain and breezy (Wind: SW 15-25 mph) Saturday night (0.25 in. of rain possible),
• Then cloudy and a bit warmer with rain and breezy (Wind: S 20-30 mph at the shore while S 10-20 mph inland, afternoon gusts to 40 mph) Sunday rain and breezy Sunday night.
• highs 52-55 lows 47-42.
• Mostly cloudy and a bit cooler with showers Monday and breezy, a (40%) chance of showers Monday night,
• Cloudy and a bit warmer with rain likely (70%) Tuesday, mostly cloudy with a slight (20%) chance of showers at night,
• Mostly cloudy with showers likely (70%) and a bit warmer Wednesday and Wednesday night,
• Then rain likely (70%) and a bit warmer Thursday.
• highs 47-57 lows 42-50. (seasonal averages high 52 low 40)

 

________________

 

Forecast for the Cascades in Lane County:

• Rain and snow and a bit warmer today (0.50 in. of rain possible, 1-4 in. of snow possible), rain and snow tonight (0.50 in. of rain possible, 3-6 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 40 mph tonight,
• Rain and snow Saturday (2-5 in. of snow possible), rain and snow at night (0.50 in. of rain possible),
• Cloudy with AM rain and snow Sunday, a good (50%) chance of rain and snow and a bit warmer in the afternoon, then rain and snow Sunday night.
• snow level 5,000 ft. today, 4,500 ft. tonight through Sunday, then 5,000 ft. Sunday night.
• highs 36-38 lows 30-26.
• Mostly cloudy and a bit cooler with rain and snow showers Monday, a good (50%) chance of snow showers Monday night and Tuesday, a good (50%) chance of rain and snow showers at night,
• A mix of clouds and sun with a (30%) chance of rain and snow showers and a bit warmer Wednesday, cloudy with rain likely (70%) Wednesday night,
• Then cloudy with a good (50%) chance of rain Thursday.
• snow level 3,000 ft. Monday, at the surface Monday night and Tuesday, 5,000 ft. Tuesday night,6,500 ft. Wednesday, then 8,000 ft. Wednesday night and Thursday.
• highs 26-42 lows 23-32.

 

 

________________

 

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

 

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________