Here is my weekly weather quiz question. What is a “Tornado Family “?
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The Jet stream is still sending cold air southward into the Pacific Northwest producing cold overnight temperatures and cooler than normal high temperatures. The graphics for days 1-3 show no frontal systems over Oregon, but a cold front well offshore Friday. The graphics for days 3-7 Sunday through Thursday show surface high pressure takes over next Monday then acomplex frontal system will be offshore next Thursday.
Note: Ski Report: Willamette Pass Ski announced it is open now for early season skiing every day of the week starting Tuesday, Hoodoo will be opening open 9am til 4pm December 5-8., Mt. Ashland announced opening day will be Friday December 6th. Check their Web sites for specific mountain conditions and hours of operation.
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ADVISORIES:
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
- A FREEZING FOG ADVISORY IS IN EFFECT UNTIL 11AM TODAY FOR THE THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS.
- A FREEZING FOG ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR CENTRAL OREGON.
- A FREEZING FOG ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON AND NORTH CENTRAL OREGON.
- AN AIR QUALITY ALERT IS IN EFFECT FROM 4 PM FRIDAY UNTIL UNTIL 4 AM SATURDAY FOR LAKE COUNTY.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A DENSE FOG ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A DENSE FOG ADVISORY IS IN EFFECT UNTIL I PM TODAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 5 PM MST SATURDAY IN VALLEYS FOR HARNEY COUNTY, BAKER COUNTY. AND MALHEUR 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 with patchy AM fog and a slight (20%) chance of rain, a mix of clouds and sun, if the fog and low clouds clear, and a bit warmer this afternoon, partly cloudy with patchy fog tonight,
- Patchy AM fog, a mix of clouds and sun Friday, increasing clouds with a (30%) chance of evening rain, then rain late at night,
- Mostly cloudy and a bit warmer with rain Saturday, then rain Saturday night.
- highs 48-54 lows 34-43 cooling to 42 Saturday night.
- Mostly cloudy with AM showers likely (70%) and a slight (20%) chance of thunderstorms, partly cloudy and a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a slight (20%) chance of rain Sunday night,
- Mostly sunny and a bit cooler Monday, mostly cloudy at night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday, a (40%) chance of rain Tuesday night,
- Then mostly cloudy and a bit warmer with rain likely (70%) Wednesday.
- highs 52-46 warming to 49 Wednesday lows near 35. (seasonal averages high 48 low 35)
Your College Football Weather Forecast:
Big 1G Championship Game-Saturday December 7 th:
Ducks vs Penn State Nittany Lions at Lucas Oil Stadium, Indianapolis, Indiana- Game time: 5:00 pm PST- Preliminary weather Forecast: Clear to Clear to partly cloudy 38 degrees, cooling as the game continues.
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: YELLOW – Caution is advised, be prepared to stop burning wood if the advisory changes to Red.
Oakridge and Westfir: YELLOW – Caution is advised, be prepared to stop burning wood if the advisory changes to Red.
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, sunny and a bit warmer this afternoon, mostly clear with areas of fog late tonight,
- Mostly cloudy with AM fog, partly cloudy and a bit warmer Friday, partly cloudy in the evening, mostly cloudy with rain late at night,
- Mostly cloudy and a bit warmer with rain Saturday, then a (40%) chance of rain Saturday night.
- highs 47-54 lows 38-45 cooling to 42 Saturday night.
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy and a bit cooler with a (30%) chance of rain Sunday afternoon, partly cloudy and colder late Sunday night,
- Sunny Monday, mostly clear in the evening, partly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night,
- Then mostly cloudy and a bit warmer with a slight (20%) of rain Wednesday.
- highs 50-52 lows 35-37. (seasonal averages high 49 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy start, sunny and slightly cooler this afternoon, mostly clear with areas of coastal fog late tonight,
- Mostly cloudy with areas of AM coastal fog, partly cloudy and a bit warmer Friday afternoon, mostly cloudy with a slight (20%) chance of evening rain, rain late at night,
- Mostly cloudy and a bit cooler with rain Saturday, then a good (50%) chance of rain Saturday night.
- highs 57-60 cooling to 58 Saturday lows 39-47 cooling to 44 Saturday night.
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy and a bit cooler with a (30%) chance of rain Sunday afternoon, becoming mostly clear Sunday night,
- Sunny Monday, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night,
- Partly cloudy with a (30%) of AM rain, then mostly cloudy with a (30%) chance of rain Wednesday afternoon.
- highs near 56 lows near 37. (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 a bit warmer today, mostly clear tonight,
- Mostly sunny and a bit warmer Friday, becoming mostly cloudy at night,
- Mostly cloudy and a bit cooler with rain Saturday, then rain and snow Saturday night.
- free air freezing 9,000 ft. today, 9,000 ft. rising to 10,000 ft. tonight, 12,000 ft. rising to 13,000 ft. Friday afternoon, snow level above 8,000 ft. Friday night, 8,000 ft. Saturday, then 4,000 ft. Saturday night.
- highs 45-48 cooling to 42 Saturday lows 29-34 cooling to 28 Saturday night.
- Mostly cloudy with snow showers with rain showers and possible thunderstorms cooler Sunday (snow possibly heavy at times), mostly cloudy with a (30%) chance of evening snow and a slight (20%) chance of thunderstorms, partly cloudy with a (30%) chance of snow and slight (20%) chance of rain late Sunday night,
- Mostly sunny and a bit warmer Monday, partly cloudy at night,
- AM clouds and sun with a slight (20%) chance of AM rain and snow, mostly cloudy and a bit warmer with a slight (20%) chance of rain and snow Tuesday, a (40%) chance of rain and snow Tuesday night,
- Then a mix of clouds and sun and a bit warmer with rain likely (70%) and a (40%) chance of snow Wednesday.
- snow level 3,500 ft. Sunday and Sunday night, free air freezing level 6,000 ft. Monday, 7,500 ft. Monday night, 4,500 ft. Tuesday, 5,000 ft. Tuesday night, then 5,500 ft. Wednesday.
- highs 32-40 lows 20-27.