Northern Oregon Cascade Foothills Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Air Quality Alert
Issued: 10:05 AM PDT Aug. 15, 2018 – National Weather Service

... Air quality advisory in effect through Friday morning...

The southwest clean air agency and the Oregon department of
environmental quality have issued an air quality advisory, which
remains in effect until noon Friday.

Smoke will remain in the region, and will cause air quality to reach
unhealthy levels at times through Friday morning. Conditions will
gradually improve later today, with more improvement Thursday and
Thursday night. However, hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke that drifted into western
Oregon along the Columbia River earlier this week still remains over
the region. But, this smoke is gradually thinning today through
Thursday, with conditions slowly improving. In addition, smoke
continues to filter into the region from the north, affecting areas
along the Cowlitz River Valley.

Pollutants in smoke may cause burning eyes, runny nose, and can
aggravate other serious health problems. Limit outdoor activities and
keep children indoors if it is smoky.


More information about air quality can be found online at:
southwest clear air agency at: www.Swcleanair.Org
Oregon dept of environmental quality at: www.Oregon.Gov/deq


Rockey

1005 am PDT Wed Aug 15 2018

... Air quality advisory in effect through Friday morning...

The southwest clean air agency and the Oregon department of
environmental quality have issued an air quality advisory, which
remains in effect until noon Friday.

Smoke will remain in the region, and will cause air quality to reach
unhealthy levels at times through Friday morning. Conditions will
gradually improve later today, with more improvement Thursday and
Thursday night. However, hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke that drifted into western
Oregon along the Columbia River earlier this week still remains over
the region. But, this smoke is gradually thinning today through
Thursday, with conditions slowly improving. In addition, smoke
continues to filter into the region from the north, affecting areas
along the Cowlitz River Valley.

Pollutants in smoke may cause burning eyes, runny nose, and can
aggravate other serious health problems. Limit outdoor activities and
keep children indoors if it is smoky.


More information about air quality can be found online at:
southwest clear air agency at: www.Swcleanair.Org
Oregon dept of environmental quality at: www.Oregon.Gov/deq


Rockey


1005 am PDT Wed Aug 15 2018

... Air quality advisory in effect through Friday morning...

The southwest clean air agency and the Oregon department of
environmental quality have issued an air quality advisory, which is
in effect until noon Wednesday.

Smoke will remain in the region, and will cause air quality to reach
unhealthy levels at times through Friday morning. Conditions will
gradually improve later today, with more improvement Thursday and
Thursday night. However, hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke that drifted into western
Oregon along the Columbia River earlier this week still remains over
the region. But, this smoke is gradually thinning today through
Thursday, with conditions slowly improving. In addition, smoke
continues to filter into the region from the north, affecting areas
along the Cowlitz River Valley.

Pollutants in smoke may cause burning eyes, runny nose, and can
aggravate other serious health problems. Limit outdoor activities and
keep children indoors if it is smoky.


More information about air quality can be found online at:
southwest clear air agency at: www.Swcleanair.Org
Oregon dept of environmental quality at: www.Oregon.Gov/deq


Rockey

1005 am PDT Wed Aug 15 2018

... Air quality advisory in effect through Friday morning...

The southwest clean air agency and the Oregon department of
environmental quality have issued an air quality advisory, which is
in effect until noon Wednesday.

Smoke will remain in the region, and will cause air quality to reach
unhealthy levels at times through Friday morning. Conditions will
gradually improve later today, with more improvement Thursday and
Thursday night. However, hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke that drifted into western
Oregon along the Columbia River earlier this week still remains over
the region. But, this smoke is gradually thinning today through
Thursday, with conditions slowly improving. In addition, smoke
continues to filter into the region from the north, affecting areas
along the Cowlitz River Valley.

Pollutants in smoke may cause burning eyes, runny nose, and can
aggravate other serious health problems. Limit outdoor activities and
keep children indoors if it is smoky.


More information about air quality can be found online at:
southwest clear air agency at: www.Swcleanair.Org
Oregon dept of environmental quality at: www.Oregon.Gov/deq


Rockey


Fire Weather Watch
Issued: 7:18 PM PDT Aug. 15, 2018 – National Weather Service

... Red flag warning for this evening has been cancelled...

... Fire Weather Watch remains in effect from Thursday afternoon
through Thursday evening for thunderstorms producing abundant
lightning on critically dry fuels for fire weather zone 608...

The National Weather Service in Portland has cancelled the red
flag warning that was in effect for this evening. However, the
Fire Weather Watch for Thursday afternoon and evening remains in
effect.

* Affected area... in Oregon... fire weather zone 608 Willamette
National Forest.

* This evening... threat of thunderstorms across the Willamette
National Forest has diminished. There is still a slight chance
through 10 PM, but at this time it appears this chance is quite
minimal. As a result, the red flag warning for this evening has
been cancelled.

* Thunderstorms/lal... isolated thunderstorms will develop Thursday
afternoon, continuing into this evening. Any storms that develop
will be prolific lightning producers, with an lal of 3. Any
rainfall will be spotty, with wetting rains unlikely.

* Outflow winds... initially high-based thunderstorms will
produce very gusty and erratic outflow winds, potentially
gusting up to 35 mph.

* Impacts... frequent lightning and critically dry fuels may
result in numerous fire starts. Thunderstorm outflow winds may
result in erratic fire spread.

Precautionary/preparedness actions...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.



For more information visit: http://weather.Gov/Portland




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