Here is my new weekly weather quiz question. What is a “Fall Streak?”  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.

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An Upper Level Low (Shaded “U” shape with arrows) will be spinning through the area.  The graphics for days 1-3 show the front that will move through cooling us down today. The graphics for days 3-7 show a frontal system approaching the coast Thursday and possibly falling apart, or at least weakening. Another frontal system will move in next Sunday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 27 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 27 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 28 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

HEALTH ADVISORIES:

• THE HEALTH ADVISORY HAS BEEN LIFTED 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 LEVEL OF CYNOTOXINS (FROM HARMFUL ALGAE TOXINS IS BELOW RECREATIONAL GUIDELINES FOR HUMAN EXPOSURE. PEOPLE AND ESPECIALLY SMALL CHILDREN AND PETS SHOULD AVOID RECREATING IN AREAS WHERE THE WATER IS FOAMY, THICK LIKE PAINT, PEA-GREEN, BLUE-GREEN OR BROWNISH-RED IN COLOR, IF A THICK MAT OF CYANOBACTERIA (HARMFUL ALGAE) IS VISIBLE IN THE WATER, OR BRIGHT GREEN CELLS ARE SUSPENDED IN THE WATER COLUMN. IF YOU OBSERVE THESE SIGNS IN THE WATER ARE ENCOURAGED TO AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED.
• 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.

 

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