Jan
16.
An Upper Level High Pressure Ridge (“Arch” shape) is sitting right over the Pacific Northwest keeping us dry with fog and chilly nights for the Pacific Northwest. The graphics for days 1-3 show a weak frontal system that moved through Thursday. The graphics for days 3-7 Monday through Friday show the no frontal activity through the period but a stationary front snakes along the entire West Coast Sunday through Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 67 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 54 in the Moderate category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE LANE COUNTY LOWLANDS.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, AND THE LINN COUNTY LOWLANDS.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE LANE COUNTY LOWLANDS.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 12 NOON FRIDAY FOR THE SOUTH CENTRAL OREGON COAST CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE KLAMATH BASIN, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 11 AM MST TODAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
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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 patchy AM fog, mostly sunny and a bit warmer this afternoon, partly cloudy with patchy fog late tonight,
- Patchy AM fog, mostly sunny and a bit cooler Saturday, mostly clear with patchy fog late Saturday night,
- Sunny and a bit warmer with patchy fog Sunday, then mostly clear Sunday night.
- highs 42-40 warming back to 42 Sunday lows 28-25 warming to 27 Sunday night. .
- Mostly sunny Monday (Martin Luther King, Jr.Day), partly cloudy in the evening, mostly cloudy late Monday night,
- A mix of clouds and sun and a bit warmer Tuesday, partly cloudy at night,
- Mostly sunny Wednesday, partly cloudy Wednesday night,
- Then mostly sunny and a bit warmer Thursday.
- highs 42-45 lows near 28 (seasonal averages high 48 low 35)
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: YELLOW – Caution, the burning of wood in wood stoves and fireplaces is allowed, but don’t use if it’s not necessary.
Oakridge And Westfir: GREEN – The burning of wood in wood stoves and fireplaces is allowed.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler this afternoon, mostly clear with patchy evening fog, widespread fog and freezing fog late tonight,
- Some AM clouds with areas of widespread fog and freezing fog, sunny and a bit warmer Saturday afternoon, mostly clear with patchy evening fog, widespread fog late Saturday night,
- Widespread AM fog, mostly sunny Sunday afternoon, areas of evening fog, mostly clear with widespread fog Sunday night.
- highs 44-46 lows 30-29.
- Partly cloudy with widespread AM fog, sunny and a bit warmer Monday afternoon (Martin Luther King, Jr.Day), partly cloudy Monday night,
- Partly cloudy Tuesday, partly cloudy with areas of fog Tuesday night,
- Partly cloudy and a bit warmer Wednesday, mostly clear with patchy fog late Wednesday night,
- Patchy AM fog, then partly cloudy Thursday afternoon.
- highs 47-52 lows near 32. (seasonal averages high 50 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Areas of AM coastal frost and patchy fog while patchy AM inland fog, sunny and slightly warmer this afternoon, mostly clear with areas of evening coastal frost and patchy fog and widespread coastal frost late tonight while inland patchy evening fog with widespread inland frost through the night and areas of inland fog late tonight,
- Widespread AM frost, sunny and a bit warmer Saturday afternoon, mostly clear at night,
- Sunny Sunday, then mostly clear Sunday night.
- highs 50-52 lows 30-29 warming to 32 Sunday night.
- Mostly sunny and a bit warmer Monday (Martin Luther King, Jr.Day), partly cloudy Monday night,
- Partly cloudy Tuesday and at night,
- Partly cloudy and a bit warmer Wednesday, mostly clear Wednesday night,
- Partly cloudy start, then sunny and a bit warmer with a slight (20%) chance of rain Thursday afternoon.
- highs 53-58 lows 32-35. (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny and cooler today, mostly clear tonight,
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Sunny and a bit warmer Sunday, then clear Sunday night.
- free air freezing level 3,500 ft. this afternoon, 4,500 ft. tonight, 5,000 ft. rising to 7,000 ft. Saturday 6,000 ft. falling to 4,500 ft. late Saturday night, then 5,000 ft. Sunday and Sunday night.
- highs 32-36 low 17-15.
- Sunny and a bit cooler Monday (Martin Luther King, Jr.Day), partly cloudy Monday night,
- Mostly sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly clear late at night,
- Then sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night.
- free air freezing level 5,500 ft. Monday, 4,500 ft. Monday night, 4000 ft. Tuesday, 6,500 ft Tuesday night, 6,000 ft. Wednesday and Wednesday night, then 8,000 ft. Thursday.
- highs 32-44 lows 19-25.