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 is sending plenty of moisture our way from the southwest in the form of a series of frontal systems. The graphics for days 1-3 show continuing frontal activity through Oregon including the front that came through Friday and the next one Sunday. The graphics for days 3-7 Tuesday through Saturday show the frontal activity continuing.
Note: Ski Report: Willamette Pass Ski announced it is open as of last Thursday, Hoodoo is not open yet, Mt. Ashland planed opening day is December 14th.
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ADVISORIES:
- A FLOOD ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR COOS COUNTY, CURRY COUNTY, AND JOSEPHINE COUNTY
- A FLOOD WATCH IS IN EFFECT THROUGH THIS AFTERNOON FOR THE COQUILLE RIVER AT COQUILLE AFFECTING THE SOUTH CENTRAL OREGON COAST.
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 and a bit cooler with showers likely (70%) today (0.25 in. of rain possible), evening showers likely (70%), a good (50%) chance of showers late tonight (0.25 in. of rain possible),
- Mostly cloudy and a bit warmer with showers Sunday (0.25 in. of rain possible) and at night (0.50 in. of rain possible),
- Mostly cloudy with showers and a bit cooler Monday, then showers Monday night.
- highs 52-54 cooling back to 52 Monday lows 38-40 cooling back to 38 Monday night.
- Mostly cloudy with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday afternoon, partly cloudy with a (30%) chance of showers Tuesday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, just partly cloudy at night,
- A mix of clouds and sun and a bit cooler Thursday (Thanksgiving Day), partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers Thursday night,
- Then mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Friday.
- highs 50-46 warming to 48 Friday lows 35-32. (seasonal averages high 51 low 37)
Your College Football Weather Forecast:
Saturday November 23rd:
Ducks have a Bye week.
Saturday November 30th:
Ducks vs Washington Huskies at Autzen Stadium, – Game time: TBA- Too soon for a preliminary weather forecast.
Saturday November 23rd:
Beavers vs Washington State Cougars at Reser Stadium: Game time 4:00 pm- Weather forecast: Mostly cloudy 50 degrees, Chance of rain, cooling as the game progresses.
Friday November 29th:
Beavers vs Boise State Broncos at Maverik Stadium, Boise, Idaho: Game time 9:00 am- Weather forecast: Too soon for a preliminary weather forecast.
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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 showers and a slight (20%) thunderstorms and a bit cooler this afternoon (0.10 in. of rain possible, snow level 3,000 ft. rising to 3,500 ft), a (40%) chance of evening showers and a slight (20%) chance of thunderstorms, a (40%) chance of showers late tonight (under 0.10 in. of rain possible, snow level 3,000 ft. falling to 2,500 ft. late tonight),
- Mostly cloudy with a good (50%) chance of AM rain and snow, rain and a bit warmer Sunday afternoon (under 0.10 in. of rain possible), rain at night (0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Monday and in the evening, then rain likely (70%) late Monday night.
- highs 52-54 cooling back to 52 Monday lows 39-42 cooling back to 39 Monday night.
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler Tuesday afternoon, a (40%) chance of evening rain, partly cloudy with a (30%) chance of rain and snow late Tuesday night,
- Partly cloudy with a slight (20%) chance of AM rain and snow, a slight (20%) chance of rain Wednesday afternoon, partly cloudy with a slight (20%) chance of rain at night,
- Mostly cloudy with a slight (20%) chance of rain Thursday (Thanksgiving Day), partly cloudy with a slight (20%) chance of rain and snow Thursday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of rain and snow Friday.
- highs 50-52 lows 36-34 warming back to 36 Friday.(seasonal averages high 52 low 40)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy and a bit warmer with coastal showers and a slight (20%) chance of thunderstorms today while inland AM showers with a slight (20%) chance of thunderstorms and inland showers likely (70%) and a bit warmer with a slight (20%) chance of thunderstorms this afternoon (0.25 in. of rain possible), evening coastal showers likely (70%) with a slight (20%) chance of thunderstorms with rain likely (70%) and a slight (20%) chance of thunderstorms tonight while inland showers with a slight (20%) chance of thunderstorms and a good (50%) of inland showers late tonight (0.10 in. of rain possible),
- Mostly cloudy with rain Sunday (0.25 in. of rain possible), evening coastal rain with with a slight (20%) chance of thunderstorms and coastal showers and a slight (20%) chance of thunderstorms late (locally heavy rain possible late) while inland evening rain with rain and a slight (20%) chance of thunderstorms late Sunday night (0.50 in. of rain possible, locally heavy rain possible late),
- Mostly cloudy with showers and a slight (20%) chance of thunderstorms Monday, evening showers with a slight (20%) chance of thunderstorms, then rain late Monday night.
- highs near 58 lows 42-44 cooling to 40 Monday night.
- Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of thunderstorms Tuesday afternoon, a (40%) chance of evening rain, partly cloudy with a (40%) chance of rain Tuesday night,
- Partly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday and at night,
- Partly cloudy with a slight (20%) of rain and a bit cooler Thursday (Thanksgiving Day), partly cloudy with a slight (20%) chance of rain Thursday night,
- Then partly cloudy and a bit warmer with slight (20%) chance of rain Friday.
- highs 58-56 warming back to 58 Friday lows near 37. (seasonal averages high 55 low 43)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with AM snow and rain showers likely (70%), a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers this afternoon (0.25 in. of rain possible, 1-3 in. of snow possible), a good (50%) chance of evening rain with snow showers likely (70%), a good (50%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, 1 in. of snow possible),
- Mostly cloudy with AM snow and rain showers likely (70%), rain and snow showers and a bit warmer Sunday afternoon, rain and snow showers at night,
- Mostly cloudy and a bit cooler with rain and snow showers Monday, then rain and snow showers Monday night.
- snow level 3,500 ft. today, 2,500 ft. tonight, 2,500 ft. rising to 4,000 ft. Sunday, then 4,000 ft. Sunday night through Monday night.
- highs 32-34 cooling to 33 Monday lows 20-27 ooling to 25 Monday night.
- Mostly cloudy and a bit cooler with snow and rain showers Tuesday, a good (50%) chance of snow and rain showers Tuesday night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of snow and rain showers Wednesday, partly cloudy with a (30%) chance of snow showers and a slight (20%) chance of showers at night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Thursday (Thanksgiving Day), partly cloudy with a (30%) chance of evening snow showers with a slight (20%) chance of rain showers, mostly cloudy with a (30%) chance of snow showers and a slight (20%) chance of rain showers late Thursday night,
- Then a mix of clouds and sun and a bit warmer with a (30%) chance of snow and rain showers Friday.
- snow level 3,500 ft. Tuesday and Tuesday night, 3,000 ft. Wednesday and Wednesday night, then 3,500 ft. Thursday through Friday.
- highs 32-37 lows 20-19 warming to 22 Monday.