Sep
05.
Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/09/give-me-a-break-no-not-that-kind/
__________
Here is my weekly weather quiz question. What is the “Gaussian Plume Model?” 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 High Pressure Ridge (Shaded “Arch” shape with arrows) will warm us up for a couple of days. The graphics for days 1-3 show the front that will move through the Pacific Northwest Saturday. The graphics for days 3-7 show frontal activity Sunday night and Monday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 84 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 60 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 53 in the Moderate category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________
ADVISORIES:
HEALTH ADVISORIES:
- A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR KENO DAM RESERVOIR LOCATED APPROXIMATELY 12 MILES SOUTHWEST OF KLAMATH FALLS ON OREGON HIGHWAY 66 W IN KLAMATH COUNTY. WATER MONITORING HAS CONFIRMED THE PRESENCE OF CYANOBACTERIA AND THE TOXINS THEY PRODUCE IN KENO DAM RESERVOIR. THE CYANOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE RESERVOIR WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE. DRINKING WATER DIRECTLY FROM THE RESERVOIR AT THIS TIME IS ESPECIALLY DANGEROUS. ALSO THE TOXINS CAN NOT BE REMOVED BY BOILING, FILTERING OR TREATING WATER WITH CAMPING-STYLE FILTERS.
- A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR CULLABY, LOCATED JUST OFF OF HIGHWAY 101 BETWEEN ASTORIA AND SEASIDE IN CLATSOP COUNTY. WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE IN CULLABY LAKE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE. DRINKING WATER DIRECTLY FROM CULLABY LAKE AT THIS TIME IS ESPECIALLY DANGEROUS.
- A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR HIGHER-THAN-NORMAL LEVELS OF BACTERIA IN OCEAN WATERS AT SEAL ROCK STATE PARK BEACH, LOCATED IN LINCOLN COUNTY. WATER SAMPLES INDICATE HIGHER-THAN-NORMAL LEVELS OF FECAL BACTERIA, WHICH CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. THIS APPLIES ESPECIALLY TO CHILDREN AND THE ELDERLY, WHO MAY BE MORE VULNERABLE TO WATERBORN BACTERIA. WHILE THIS ADVISORY IS IN EFFECT AT SEAL ROCK STATE PARK BEACH, VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNNOFF FLOWING INTO THE OCEAN. EVEN IF THERE IS NO ADVISORY IN EFFECT, OFFICIALS RECOMMEND AVOIDING SWIMMING IN THE OCEAN WITHIN 48 HOURS AFTER A RAINSTORM. OTHER BEACH ACTIVITIES ARE SAFE TO ENJOY.
- A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR WILLOW CREEK RESERVOIR, LOCATED JUST EAST OF THE TOWN OF HEPNER IN MORROW COUNTY. WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE ARE ABOVE RECREATIONAL VALUES FOR HUMAN EXPOSURE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE.
- A RECREATIONAL HEALTH ADVISORY HAS BEEN ISSUED FOR UPPER KLAMATH LAKE, LOCATED OFF ROUTE 140, 15 MILES WEST OF KLAMATH FALLS IN KLAMATH COUNTY. WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE ARE ABOVE RECREATIONAL VALUES FOR HUMAN EXPOSURE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE.
- 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:,
- Clear, but hazy and smoky tonight,
- Sunny and cooler Thursday, clear in the evening, partly cloudy late Thursday night and Friday AM, partly cloudy and a bit cooler in the afternoon, becoming mostly cloudy with a slight (20%) chance of showers Friday night,
- Cloudy with a slight (20%) chance of showers Saturday AM, a mix of clouds and sun and a bit cooler in the afternoon, then partly cloudy Saturday night.
- lows 50-53 cooling to 49 Saturday night highs 82-77.
- Partly cloudy and slightly warmer Sunday and in the evening, mostly cloudy with a (40%) chance of rain late at night,
- A (40%) chance of AM rain, a mix of clouds and sun with a slight (20%) chance of showers and a bit cooler Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers, a (30%) chance of showers late Monday night,
- Mostly cloudy with a (30%) chance of showers and a bit warmer Tuesday and in the evening, a slight (20%) chance of showers late Tuesday night,
- Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Wednesday.
- highs 78-73 warming back to 78 Wednesday lows near 50. (seasonal averages high 80 low 49)
_____
Your College Football Forecast
Saturday September 8th:
Ducks vs Portland State at Autzen Stadium – Kickoff: 11 am PDT- Preliminary Forecast: Cloudy with a slight chance of AM showers, 62 degrees, clearing to mix of clouds and sun warming slowly as the game progresses.
Beavers vs Southern Utah at Reser Stadium – Kickoff: 5 pm PDT- Preliminary Forecast: A mix of clouds and sun 75 degrees cooling as the game progresses.
_________________
Forecast for Roseburg:
- Mostly clear with haze and smoke tonight,
- Sunny and hazy with patchy AM fog, sunny and a bit cooler with areas of smoke Thursday, mostly clear with areas of smoke in the evening, patchy fog with areas of smoke late Thursday night,
- AM clouds with patchy fog, partly cloudy and a bit cooler Friday afternoon, mostly cloudy with a slight (20%) chance of showers late at night and Saturday AM, just mostly cloudy in the afternoon, then partly cloudy at night.
- lows 52-54 cooling back to 52 Saturday night highs 85-79.
- Partly cloudy and a bit warmer Sunday, mostly clear in the evening, mostly cloudy with a (30%) chance of rain late Sunday night,
- Mostly cloudy with a slight (20%) chance of AM rain, a bit warmer with a slight (20%) chance of showers Monday afternoon and at night,
- Mostly cloudy with a (30%) chance of showers Tuesday and Tuesday night,
- Then mostly cloudy with a slight (20%) chance of showers Wednesday.
- highs 79-74 warming to 76 Wednesday lows near 52. (seasonal averages high 82 low 53)
_____________________
Forecast for The South Oregon Coast Including Coos Bay and North Bend,
- Partly cloudy this evening, mostly cloudy tonight with patchy coastal fog and a slight (20%) chance of drizzle late while patchy fog and haze inland,
- Mostly cloudy with patchy AM coastal fog while AM haze and patchy fog inland, mostly sunny and a bit warmer Thursday afternoon, mostly cloudy with patchy coastal fog Thursday night while mostly clear in the evening inland and mostly cloudy with patchy inland fog late at night,
- Mostly cloudy with patchy AM fog Friday, mostly cloudy with a slight (20%) chance of coastal showers Friday night while a slight (20%) chance of inland showers late Friday night,
- Mostly cloudy with a slight (20%) chance of AM showers Saturday, then just mostly cloudy and a bit warmer Saturday afternoon and at night.
- lows 52-54 highs 62-65.
- AM clouds, sunny and a bit warmer Sunday afternoon, partly cloudy in the evening, mostly cloudy with a (30%) chance of rain late Sunday night,
- Mostly cloudy Monday with a (30%) chance of AM rain, a slight (20%) chance of showers and a bit cooler in the afternoon, mostly cloudy with a (30%) chance of showers and a bit cooler Monday night through Tuesday night,
- Then mostly cloudy with a slight (20%) chance of showers Wednesday.
- highs near 66 lows 52-54. (seasonal averages high 66 low 52)
________________
Forecast for the Cascades in Lane County:
- Mostly clear with haze and areas of smoke tonight,
- Sunny with areas of smoke and a bit cooler Thursday, mostly clear with areas of smoke at night,
- AM sun with areas of smoke, partly cloudy and a bit cooler with areas of smoke Friday afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Friday night and Saturday AM, a mix of clouds and sun and a bit cooler in the afternoon, then partly cloudy Saturday night.
- free air freezing level 14,000 ft. tonight through Thursday night, 13,000 ft. Friday, snow level above 8,000 ft. late Friday night and Saturday, free air freezing 13,000 ft. Saturday night.
- lows 48-42 highs 74-64.
- Partly cloudy and a bit warmer Sunday, partly cloudy with a slight (20%) chance of rain late Sunday night,
- A (30%) chance of AM rain, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Monday afternoon, mostly cloudy with a slight (20%) chance of showers late at night,
- Mostly cloudy with a (40%) chance of showers and a bit cooler Tuesday and in the evening, then mostly cloudy with a slight (20%) chance of showers and a bit warmer Tuesday night and Wednesday.
- free air freezing 13,000 ft. Sunday, snow level above 8,000 ft. Sunday night and Monday, above 8,000 ft. falling to 7,500 ft. late Monday night, 7,500 ft. Tuesday, then 7,000 ft. Tuesday night and Wednesday.
- highs 63-65 lows 39-42.
________________
**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.
________________