Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/06/it-would-take-morethan-a-swiffer-to-clean-up-this-dust/
__________
Here is my new weekly weather quiz question. What is an “Extratropical Storm?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
________________
An Upper Level Low (Shaded “O” shape with arrows) keeps its hold on the Pacific Northwest. Its center is to our south, but it will move slowly keeping the chance of thunderstorms in the Cascades. The graphics for days 3-7 show a frontal system slides down to us Friday and another front moves out of the Gulf of Alaska heading our way Sunday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 30 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________
ADVISORIES:
HEALTH ADVISORIES:
- A HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE. THE LAKE IS LOCATED OFF OREGON ROUTE 140, 15 MILES WEST OF KLAMATH FALLS IN KLAMATH COUNTY. WATER MONITORING HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE AND THE TOXINS THEY PRODUCE IN THIS AREA OF UPPER KLAMATH LAKE. THESE TOXIN CONCENTRATIONS CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED. DRINKING WATER DIRECTLY FROM THIS AREA OF THE LAKE AT THIS TIME IS ESPECIALLY DANGEROUS. OREGON PUBLIC HEALTH OFFICIALS ADVISE CAMPERS AND OTHER RECREATIONAL VISITORS THAT TOXINS CANNOT BE REMOVED BY BOILING, FILTERING, OR TREATING WATER WITH CAMPING-STYLE FILTERS.
- A RECREATIONAL HEALTH ADVISORY HAS BEEN ISSUED FOR DORENA RESERVOIR, LOCATED 6 MILES EAST OF COTTAGE GROVE IN LANE COUNTY. WATER MONITORING HAS CONFIRMED THE PRESENCE OF HARMFUL ALGAE ABOVE OREGON HEALTH AUTHORITY RECREATIONAL VALUES FOR CELL COUNTS. HARMFUL ALGAE AT THIS LEVEL ARE LIKELY TO BE ASSOCIATED WITH CYANOTOXIN CONCENTRATIONS THAT CAN BE HARMFUL TO HUMANS AND ANIMALS. RECREATIONAL VISITORS ARE ADVISED TO ALWAYS BE ALERT TO SIGNS OF HARMFUL ALGAE AND AVOID AREAS WITH VISIBLE SCUM THAT LOOKS FOAMY, THICK LIKE PAINT, PEA-GREEN, BLUE-GREEN, OR BROWNISH, OR WHERE SMALL BRIGHT-GREEN CLUMPS ARE FLOATING IN THE WATER. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED.
- A PUBLIC HEALTH ADVISORY HAS RE-ISSUED FOR DETROIT LAKE, LOCATED 46 MILES SE OF SALEM. THE LAKE SPANS BOTH LINN AND MARION COUNTIES. WATER MONITORING HAS CONFIRMED THE PRESENCE OF HARMFUL ALGAE ABOVE OREGON HEALTH AUTHORITY RECREATIONAL VALUES FOR CELL COUNTS. HARMFUL ALGAE AT THIS LEVEL ARE LIKELY TO BE ASSOCIATED WITH CYANOTOXIN CONCENTRATIONS THAT CAN BE HARMFUL TO HUMANS AND ANIMALS. RECREATIONAL VISITORS ARE ADVISED TO ALWAYS BE ALERT TO SIGNS OF HARMFUL ALGAE AND AVOID AREAS WITH VISIBLE SCUM THAT LOOKS FOAMY, THICK LIKE PAINT, PEA-GREEN, BLUE-GREEN, OR BROWNISH, OR WHERE SMALL BRIGHT-GREEN CLUMPS ARE FLOATING IN THE WATER. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED. THE DRINKING WATER ADVISORY FOR VULNERABLE POPULATIONS REMAINS IN PLACE UNTIL FURTHER NOTICE. FOR MORE INFORMATION ON SALEM’S WATER ADVISORY GO TO HTTP://WWW.CITYOFSALEM.NET.
- 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 clear tonight,
- Mostly sunny and a bit warmer Tuesday, mostly clear at night,
- Mostly sunny Wednesday with a slight (20%) chance of afternoon thunderstorms, mostly cloudy with a good (50%) chance of evening showers and thunderstorms, partly cloudy with a good (50%) chance of showers and thunderstorms late Wednesday night,
- Partly cloudy in the AM, mostly sunny and cooler Thursday afternoon, then partly cloudy at night.
- lows 53-57 cooling back to 53 Thursday night highs 87-78.
- Mostly sunny and cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit warmer Saturday and Sunday, mostly clear both nights,
- Then mostly sunny and a bit cooler Monday.
- highs 76-78 cooling to 75 Monday lows 53-50. (seasonal averages high 74 low 48)
_____
Eugene-Springfield Pollen Count
Grass………. High (105)
Trees………. Low (13)
Last Counted: 6/18/18
Data Courtesy of Oregon Allergy Associates
_________________
Forecast for Roseburg:
- Mostly clear tonight,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Sunny Wednesday, and a bit cooler Thursday, partly cloudy with a slight (20%) chance of thunderstorms Wednesday night, evening gusty winds possible in thunderstorms, then mostly clear Thursday night.
- lows 56-62 highs 92-84.
- Mostly sunny Friday, Saturday, and Sunday, clear Friday night and Saturday night,
- Then sunny and a bit cooler Monday.
- highs near 85 lows 56-54. (seasonal averages high 77 low 52)
_____________________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, increasing clouds to cloudy late tonight,
- AM coastal clouds becoming mostly sunny and a bit warmer at the shore Tuesday afternoon while sunny and a bit warmer inland Tuesday, mostly clear in the evening, partly cloudy late at night,
- Mostly cloudy at the shore Wednesday AM and mostly sunny and a bit warmer at the shore in the afternoon while sunny and a bit warmer inland Wednesday, mostly clear with a slight (20%) chance of evening thunderstorms, partly cloudy with a slight (20%) chance of showers late Wednesday night,
- Then partly cloudy and a bit cooler Thursday and at night.
- lows 54-57 highs 72-75 cooling to 69 Thursday.
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Sunny Saturday, clear Saturday night,
- Sunny and a bit cooler Sunday, mostly clear at night,
- Then mostly sunny Monday.
- highs 70-68 lows near 53. (seasonal averages high 62 low 51)
________________
Forecast for the Cascades in Lane County:
- Partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late tonight,
- Mostly sunny Tuesday AM, partly cloudy and a bit warmer in the afternoon and Tuesday night,
- AM sun, partly cloudy and a bit warmer with a good (50%) chance of showers and thunderstorms Wednesday afternoon, showers likely (70%) with a (40%) chance of thunderstorms at night,
- A slight (20%) chance of AM showers and thunderstorms, then partly cloudy and a bit cooler Thursday afternoon and Thursday night.
- snow level above 8,000 ft. tonight, free air freezing level 12,000 ft. Tuesday, 13,000 ft. Tuesday night, snow level above 8,000 ft. Wednesday through Thursday, then free air freezing level 14,000 ft. Thursday and Thursday night.
- lows 46-50 cooling back to 46 Thursday night highs 72-75 cooling to 69 Thursday.
- Mostly sunny and a bit cooler Friday, mostly clear at night,
- Mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night and Sunday night,
- Then mostly sunny and a bit cooler Monday.
- free air freezing level 14,000 ft. Friday and Friday night, 14,000 ft. rising to 15,000 ft. Saturday, 15,000 ft. Saturday night through Sunday night, then 15,000 ft. rising to 16,000 ft. Monday afternoon.
- highs 66-72 cooling to 65 Monday lows near 45.
________________
**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.
________________
Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
________________