Jan
13.
An Upper Level High Pressure Ridge (“Arch” shape) is moving in to bring us dry sunshiny days and chilly nights for the Pacific Northwest. The graphics for days 1-3 show no frontal systems through the period. The graphics for days 3-7 Thursday through Monday show the no frontal activity through the period until a relatively dry cold front pushes into the Pacific Northwest between Thursday and Thursday night and a stationary front snakes along the entire West Coast next Monday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 57 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 43 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 41 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY 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 FRIDAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH TUESDAY EVENING 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 fog and areas of evening frost, widespread frost late tonight,
- Widespread AM frost with patchy fog, mostly sunny and a bit warmer Tuesday afternoon, partly cloudy with patchy fog and areas of evening frost, patchy fog with widespread frost Tuesday night,
- Widespread AM frost with patchy fog, mostly sunny and a bit warmer Wednesday afternoon, mostly clear with patchy evening frost, patchy fog with areas of frost late at night,
- Patchy AM fog, a mix of clouds and sun and a bit warmer Thursday, mostly cloudy in the evening, then partly cloudy with widespread frost late Thursday night.
- lows 36-28 highs 46-43 warming to 45 Thursday. .
- Mostly sunny and a bit cooler with a slight (20%) chance of showers and widespread frost Friday, mostly clear with widespread frost and patchy fog Friday night,
- Mostly sunny with and a bit cooler with widespread frost Saturday, mostly clear with widespread frost at night,
- Sunny and a bit cooler with widespread frost Sunday, mostly clear with widespread frost Sunday night,
- Then mostly sunny with widespread frost Monday (Martin Luther King, Jr.Day).
- highs 45-42 lows 30-32 (seasonal averages high 48 low 35)
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: GREEN – The burning of wood is allowed.
Oakridge: GREEN – The burning of wood 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:
- Partly cloudy with late evening patchy fog, mostly cloudy with widespread fog late tonight,
- Partly cloudy with areas of AM fog, sunny and a bit cooler Tuesday afternoon, partly cloudy with patchy evening fog, mostly cloudy widespread fog late Tuesday night,
- Areas of AM fog, sunny and a bit warmer Wednesday afternoon, clear with patchy evening fog, partly cloudy with patchy fog late at night,
- Patchy AM fog, partly cloudy and a bit warmer Thursday, partly cloudy with patchy evening fog, then mostly cloudy with areas of fog late Thursday night.
- lows 34-39 cooling to 36 Thursday night highs 44-52.
- Partly cloudy with patchy AM fog, sunny and a bit cooler Friday afternoon, mostly clear Friday night,
- Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear at night,
- Mostly sunny Sunday, mostly clear Sunday night,
- Then partly cloudy and a bit warmer Monday (Martin Luther King, Jr.Day).
- highs 47-45 warming back to 47 Monday lows 36-28. (seasonal averages high 50 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with areas of coastal frost and patchy fog tonight while mostly cloudy with patchy early evening inland frost and partly cloudy late evening with areas of inland fog and frost continuing overnight,
- Partly cloudy with areas of AM coastal fog and frost and becoming sunny and a bit cooler Tuesday afternoon while areas of inland AM frost and sunny inland and a bit cooler Tuesday afternoon, mostly clear with patchy coastal fog and patchy coastal frost late Tuesday night while mostly clear with patchy inland evening fog, and inland areas of frost late Tuesday night,
- Patchy AM coastal fog and frost while inland areas of AM frost and patchy fog, sunny and a bit warmer Wednesday afternoon, mostly clear in the evening, partly cloudy patchy fog late at night,
- Areas of AM fog, partly cloudy and a bit cooler Thursday afternoon, then partly cloudy with areas of frost late Thursday night.
- lows 35-38 cooling to 34 Thursday night highs 54-56 cooling to 52 Thursday.
- Areas of AM frost, sunny and a bit cooler Friday afternoon, mostly clear Friday night,
- Mostly sunny and a bit warmer Saturday, mostly clear at night,
- Mostly sunny Sunday, mostly clear Sunday night,
- Then mostly sunny and a bit warmer Monday (Martin Luther King, Jr.Day).
- highs 50-54 lows 29-32 (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit warmer Thursday, mostly cloudy with a slight (20%) chance of rain and snow showers, then mostly cloudy with a slight (20%) chance of rain and snow showers Thursday night.
- free air freezing level 10,000 ft. tonight through Tuesday night, 11,000 ft. Wednesday and Wednesday night, 9,000 ft. Thursday, then snow level 4,000 ft. Thursday night.
- low 20-18 rising to 23 Friday highs 38-45.
- Mostly sunny and warmer with a slight (20%) chance of snow showers Friday, mostly clear with widespread frost and a slight (20%) chance of snow showers Friday night,
- Sunny a bit cooler Saturday, mostly clear at night,
- Sunny and a bit cooler Sunday, mostly clear Sunday night,
- Then sunny and a bit warmer Monday Monday (Martin Luther King, Jr.Day).
- snow level 2,000 ft. Friday and Friday night, free air freezing level at the surface Saturday, 3,500 ft. Saturday night, 4,500 ft. Sunday, 3,500 ft. Sunday night, then 6,000 ft. Monday.
- highs 33-38 lows 33-38.