Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/07/coffee-tea-or-me-or-cancer/
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Here is my weekly weather quiz question. What is a “Flash Flood?” 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 Pressure Trough (Shaded “U” shape with arrows) slides in take over from weak high pressure to cool us down slowly. The graphics for days 1-3 show a weak front slipping in between Wednesday and Thursday. The graphics for days 3-7 show no major frontal systems heading our way.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 31 in the Good category measuring Ozone
Oakridge: The Air Quality Index is 40 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 27 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM UNTIL 8 PM WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES.
- A RED FLAG WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 8 PM WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN OF OREGON.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT THROUGH 11 PM TONIGHT FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A HEAT ADVISORY IS IN EFFECT THROUGH 11 PM TONIGHT FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A RED FLAG WARNING IS IN EFFECT FROM 4 PM THIS AFTERNOON UNTIL UNTIL 8 PM WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN OF OREGON.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL FURTHER NOTICE FOR JACKSON. WILDFIRE SMOKE AND AND OZONE POLLUTION WILL COMBINE TO CAUSE AIR QUALITY TO FLUCTUATE TO UNHEALTHY FOR SENSITIVE GROUPS. LIMIT OUTDOOR ACTIVITIES, ESPECIALLY DURING THE HOTTEST TIME OF THE DAY AND KEEP CHILDREN INDOORS IF IT IS SMOKY.
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ALL OF LAKE BILLY CHINOOK. THE LAKE IS LOCATED ABOUT 12 MILES WEST OF MADRAS, OREGON. WATER MONITORING HAS CONFIRMED THE PRESENCE OF CYANOBACTERIA AND THE TOXINS THEY PRODUCE IN THE METOLIUS, DDSCHUTES, AND CROCKED RIVER ARMS OF LAKE BILLY CHINOOK. 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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and a bit cooler today, clear tonight,
- Mostly sunny and a bit cooler Wednesday, mostly clear at night,
- Partly cloudy in the AM, mostly sunny and a bit cooler Thursday afternoon, then partly cloudy Thursday night.
- highs 90-83 lows 54-52.
- Partly cloudy and a bit warmer Friday and at night,
- Partly cloudy and a bit warmer Saturday and Saturday night,
- AM clouds, mostly sunny and a bit warmer Sunday afternoon, mostly clear at night,
- AM sun, then partly cloudy and a bit warmer Monday afternoon.
- highs 84-92 lows 50-54. (seasonal averages high 83 low 52)
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Eugene-Springfield Pollen Count
Grass………. High (33)
Trees………. Low (5)
Last Counted: 7/15/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Sunny but just a bit cooler today and Wednesday, mostly clear both nights,
- Mostly sunny Thursday, mostly clear at night.
- highs 96-93 lows near 58.
- Mostly sunny but just a bit cooler Friday and Saturday, mostly clear each night,
- Mostly sunny Sunday, mostly clear at night,
- Then mostly sunny and slightly warmer Monday.
- highs 88-90 lows 55-59. (seasonal averages high 85 low 57)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with patchy AM fog, sunny and a bit warmer this afternoon, partly cloudy with patchy coastal fog late tonight,
- Mostly cloudy with patchy AM fog, sunny Wednesday afternoon, mostly clear Wednesday night,
- Mostly sunny Thursday, then mostly clear at night.
- highs near 68 lows near 56.
- Mostly sunny and a bit warmer Friday, mostly clear Friday night,
- Mostly sunny but a bit cooler Saturday, mostly clear at night,
- Then mostly sunny and bit cooler Sunday, mostly clear Sunday night,
- Then mostly sunny and a bit warmer Monday.
- highs 69-66 warming to 70 Monday lows near 54. (seasonal averages high 65 low 53)
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Forecast for the Cascades in Lane County:
- Sunny and a bit cooler today and Wednesday, mostly clear both nights,
- Mostly sunny Thursday then partly cloudy at night.
- free air freezing level 15,000 ft. today, 16,000 ft. falling to 15,000 ft. tonight, 16,000 ft. Wednesday, 15,000 ft. rising to 16,000 ft. Wednesday night, then 16,000 ft. Thursday and Thursday night.
- highs 80-77 lows 52-56 cooling back to 52 Thursday night.
- Partly cloudy Friday AM, mostly sunny in the afternoon, partly cloudy Friday night,
- Partly cloudy and a bit warmer Saturday and Saturday night,
- AM clouds, mostly sunny Sunday afternoon, partly cloudy at night,
- Mostly sunny Monday AM, then partly cloudy Monday afternoon.
- free air freezing level 16,000 ft. Friday, 16,000 ft. falling to 15,000 ft. Friday night, 15,000 ft. Saturday and Saturday night, 15,000 ft. rising to 16,000 ft. Sunday, 16,000 ft. rising to above 16,000 ft Sunday night, then above 16,000 ft. falling to 16,000 ft. Monday.
- highs 76-82 lows 52-50 warming back to 52 Sunday night.
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**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.
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