Here is my weekly weather quiz question for the last time. What is a “Theodolite “? Here is the correct answer. A Theodolite is an instrument used in surveying to measure horizontal and vertical angles with a small telescope that can move in the horizontal and vertical planes. It used to track the movements of either a ceiling balloon or a radiosonde.
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The Jet Stream has moved to the south, but surface low pressure is still is sending moisture our way, but that’s going to change. The graphics for days 1-3 show continuing frontal activity moving through Oregon today. The graphics for days 3-7 Wednesday through Sunday show no serious frontal activity over the Pacific Northwest through the period.
Note: Ski Report: Willamette Pass Ski announced it is open today from 9 am until 4 pm, Hoodoo is not open yet, Mt. Ashland planed opening day is December 14th.
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ADVISORIES:
- A WIND ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR JACKSON 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 showers tonight (0.25 in. of rain possible),
- Mostly cloudy with showers and a bit cooler Monday (0.25 in. of rain possible), showers likely (70%) Monday night (under 0.10 in. of rain possible),
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday (under 0.10 in. of rain possible), partly cloudy with patchy fog at night,
- Patchy AM fog, mostly sunny and a bit cooler Wednesday, then partly cloudy with patchy fog Wednesday night.
- lows 42-32 highs 53-49.
- Patchy AM fog, mostly sunny and a bit cooler Thursday (Thanksgiving Day), partly cloudy with patchy fog Thursday night,
- Patchy AM fog, mostly sunny and a bit warmer Friday, partly cloudy at night,
- Mostly sunny Saturday, partly cloudy in the evening, mostly cloudy late Saturday night,
- A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Sunday.
- highs 45-47 lows near 30. (seasonal averages high 50 low 36)
Your College Football Weather Forecast:
Saturday November 23rd:
Ducks have a Bye week.
Beavers vs Washington State Cougars at Reser Stadium: Game time 4:00 pm- The Beavers won in a close one Defeating Washington State 41-38.
Saturday November 30th:
Ducks vs Washington Huskies at Autzen Stadium, – Game time: 4:30 pm- Weather forecast: A mix of clouds and sun, 46 degrees and falling throughout the game.
Friday November 29th:
Beavers vs Boise State Broncos at Maverik Stadium, Boise, Idaho: Game time 9:00 am- Weather forecast: Partly cloudy 32 degrees rising to 35 by the end of the game.
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: GREEN – Fireplace and wood stove use permitted.
Oakridge and Westfir: GREEN – Fireplace and wood stove use permitted.
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 a good (50%) chance of showers through late this evening, showers late tonight (under 0.10 in. of rain possible,
- Mostly cloudy with a good (50%) of AM showers, showers likely (70%) and a bit cooler Monday afternoon (0.25 in. of rain possible), evening showers, showers likely (70%) late Monday night (0.10 in. of rain possible, snow level 3,500 ft.),
- Mostly cloudy with patchy AM fog and showers likely (70%), a good (50%) chance of showers and a bit cooler Tuesday afternoon (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of evening showers, partly cloudy with areas of fog late at night,
- Partly cloudy with areas of AM fog, sunny and a bit cooler Wednesday afternoon, mostly clear in the evening, then partly cloudy with patchy fog late Wednesday night.
- lows 42-36 highs 54-52.
- Partly cloudy with patchy AM fog, sunny and a bit cooler Thursday afternoon (Thanksgiving Day), mostly clear with areas of fog Thursday night,
- Partly cloudy with patchy AM fog, sunny Friday afternoon, mostly clear with evening, partly cloudy with patchy fog late at night,
- Partly cloudy and a bit warmer Saturday and in the evening, mostly cloudy with patchy fog late Saturday night,
- Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, then partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday afternoon.
- highs near 49 lows 34-33. (seasonal averages high 51 low 39)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, showers with a slight (20%) chance of thunderstorms late tonight (0.50 in. of rain possible),
- Mostly cloudy with AM coastal showers likely (70%) and a slight (20%) chance of thunderstorms with a good (50%) chance of coastal showers and a slight (20%) chance of thunderstorms and slightly warmer Monday afternoon while a good (50%) chance of inland showers and a slight (20%) chance of thunderstorms and slightly warmer Monday (0.25 in. of rain possible), showers with a slight (20%) chance of thunderstorms Monday night (0.10 in. of rain possible),
- Mostly cloudy with patchy AM fog with a good (50%) chance of coastal showers and a slight (20%) chance of thunderstorms and a good (50%) chance of coastal showers Tuesday afternoon while inland AM showers likely (70%) and a slight (20%) inland showers Tuesday afternoon, partly cloudy with a slight (20%) chance of evening coastal showers while partly cloudy with a slight (20%) chance of evening inland showers, mostly cloudy with patchy fog late at night,
- Patchy AM fog, sunny Wednesday afternoon, then mostly clear Wednesday night.
- lows 43-34 highs near 57.
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Partly cloudy and a bit warmer Saturday and in the evening, mostly cloudy with a slight (20%) chance of showers late Saturday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon.
- highs 55-58 cooling to 56 Sunday lows 34-37. (seasonal averages high 55 low 42)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with rain showers and snow showers tonight (0.25 in. of rain possible, 2 in. of snow possible),
- Mostly cloudy and a bit cooler with rain and snow showers Monday (0.50 in. of rain possible, 1-4 in. of rain possible), snow and rain showers Monday night (0.25 in. of rain possible, 1-3 in. of snow possible),
- Patchy AM dense fog, mostly cloudy and a bit cooler with snow showers with rain showers Tuesday, a (40%) chance of evening rain and snow showers, partly cloudy with a slight (20%) chance of snow showers late at night,
- Patchy AM dense fog, mostly sunny with a slight (20%) chance of snow showers and a bit warmer Wednesday afternoon, then becoming mostly clear Wednesday night.
- snow level 4,000 ft. tonight and Monday, 3,500 ft. Monday night and Tuesday, 3,000 ft. Tuesday night and Wednesday, then free air freezing level 5,000 ft. Wednesday night.
- lows 28-17 highs 34-32 warming back to 34 Wednesday.
- Sunny and a bit warmer Thursday (Thanksgiving Day), partly cloudy in the evening, mostly clear late Thursday night,
- Sunny Friday, mostly clear with a slight (20%) chance of evening snow showers, partly cloudy with a slight (20%) chance of snow showers late at night,
- Mostly sunny and a bit warmer Saturday, partly cloudy with a slight (20%) chance of evening rain and snow showers, mostly cloudy with a slight (20%) chance of rain and snow showers late Saturday night,
- Then a mix of clouds and sun with a slight (20%) chance of rain and snow showers and a bit warmer Sunday.
- snow level 3,000 ft. Wednesday, free air freezing level 5,000 ft. Wednesday night, 8,000 ft. Thursday, 5,500 ft. Thursday night and Friday, snow level 4,000 ft. Friday night, free air freezing level 8,000 ft. Saturday, snow level 4,500 ft. Saturday night, then 5,000 ft. Sunday.
- highs 38-42 lows 20-25.