Here is my weekly weather quiz question for the last time. What is a “Squall?” Here is the correct answer. A Squall is a strong wind characterized by a sudden onset in which the wind speed increases at least 16 knots and is sustained at 22 knots or more for at least one minute. 2. In nautical use, a severe local storm considered as a whole, that is, winds and cloud mass and (if any) precipitation, thunder and lightning.Squall Line
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A strong Upper Level Low Pressure Trough gives us onshore flow and rain for a while. The graphics for days 1-3 show a cold frontal system moving in today. The graphics for days 3-7 Tuesday through Saturday show a cold front sliding through the Pacific Northwest Wednesday with yet another front following behind it.
ADVISORIES:
- NONE AT THIS TIME.
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:
- A mix of clouds and sun and a bit cooler today, mostly cloudy with a (40%) chance of evening showers, just mostly cloudy late tonight,
- A mix of clouds and sun and a bit cooler with a (40%)partly cloudy Thursday night chance of showers Sunday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night,
- Mostly sunny and a bit warmer Monday, partly cloudy with a a good (50%) chance of evening rain, then mostly cloudy with a good (50%) chance of rain late Monday night.
- highs 75-72 warming to 73 Monday lows 50-47 warming to 50 Monday night.
- Mostly cloudy and a bit cooler with rain Tuesday, rain Tuesday night,
- Mostly cloudy with a good (50%) chance of AM showers, partly cloudy and a bit warmer with a good (50%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly clear with a slight (20%) chance of showers late at night,
- Mostly sunny and a bit warmer Thursday and Friday, partly cloudy Thursday night.
- highs 65-75 lows 45-47 warming to 49 Thursday nig.ht. (seasonal averages high 79 low 48)
Your Saturday College Football Weather Forecast:
Saturday September 14th:
Ducks vs Beavers at Reser Stadium, Corvallis Game time 12:30 pm- Preliminary Weather forecast: A mix of clouds and sun, 67 degrees warming to 72 degrees by the end of the game, a slight (20%) chance of rain in the afternoon. Dress accordingly.
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Forecast for the Umpqua Valley including Roseburg:
- Patchy AM dense fog, partly cloudy and a bit cooler this afternoon, a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late tonight,
- Mostly cloudy and cooler with a (40%) chance of rain and a bit cooler Sunday, mostly cloudy with a slight (20%) chance of rain Sunday night,
- Partly cloudy and a bit warmer with a slight (20%) chance of rain Monday, partly cloudy with a (30%) chance of rain Monday night.
- highs 77-70 warming to 73 Monday lows 55-50 warming Monday night 52 Monday night. .
- Cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Tuesday afternoon, evening rain, rain likely (70%) late Tuesday night,
- Mostly cloudy with rain likely (70%) and a bit warmer Wednesday, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
- Mostly cloudy and a bit warmer Thursday, partly cloudy Thursday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of rain Friday afternoon.
- highs 74-68 warming back to 74 Thursday lows 54-50 warming to 52 Thursday night. (seasonal averages high 81 low 53)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy start with partly cloudy and a slight (20%) chance of coastal rain this afternoon while mostly cloudy with patchy AM inland fog and partly cloudy inland this afternoon, mostly cloudy with a slight (20%) chance of rain tonight,
- Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
- Partly cloudy and a bit warmer Monday, then mostly cloudy with a (40%) chance of rain late Monday night.
- highs 72-69 warming to 71 Monday lows near 53.
- Mostly cloudy with AM rain likely (70%), rain and a bit cooler Tuesday and evening, rain likely (70%) late Tuesday night,
- Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of rain Wednesday afternoon, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
- Partly cloudy and a bit warmer Thursday, partly cloudy Thursday night,
- Some AM clouds, then sunny with a slight (20%) chance of rain Friday afternoon.
- highs 67-70 lows 55-52. (seasonal average high 67 low 52)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- AM clouds, mostly sunny and a bit cooler this afternoon, mostly cloudy with a good (50%) chance of showers tonight,
- Mostly cloudy and cooler with a good (50%) showers Sunday, a good (50%) chance of showers at night,
- Mostly cloudy with slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers and a bit warmer Monday afternoon, then mostly cloudy with a good (50%) chance of showers Monday night.
- free air freezing level 13,000 ft. falling to 12,000 ft. today, snow level 7,500 ft. tonight, 7,000 ft. Sunday, 7,500 ft. Sunday night, snow level above 8,000 ft. Monday, then 8,000 ft. Monday night,
- highs 62-53 lows 39-37.
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain Tuesday night,
- Mostly cloudy and a bit warmer with showers likely (70%) Wednesday, a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
- Mostly sunny and a bit warmer Thursday and Friday, partly cloudy Thursday night.
- snow level above 8,000 ft. Tuesday through Wednesday, above 8,000 ft. Wednesday night, free air freezing level 11,000 ft. Thursday, 13,000 ft. Thursday night, then 14,000 ft. Friday.
- highs 55-59 warming to 52 Wednesday lows 39-35.