Northern Oregon Cascade Foothills Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Air Quality Alert
Issued: 12:27 PM PDT Aug. 14, 2018 – National Weather Service

... Air quality advisory in effect until noon Wednesday...

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.

With light winds expected through tomorrow, smoke will remain in the
region, and will cause air quality to reach unhealthy levels at
times through tomorrow morning. Conditions will gradually improve
later Wednesday, though hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke has been drifting into western
Oregon along the Columbia River since last night, and has spread out
across the Willamette Valley and lower Columbia River valley. 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 department of environmental quality at: www.Oregon.Gov/deq



Rockey

1227 PM PDT Tue Aug 14 2018

... Air quality advisory in effect until noon Wednesday...

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.

With light winds expected through tomorrow, smoke will remain in the
region, and will cause air quality to reach unhealthy levels at
times through tomorrow morning. Conditions will gradually improve
later Wednesday, though hazy skies will remain.

Wildfires burning across parts of Washington have been creating
abundant smoke. Low level smoke has been drifting into western
Oregon along the Columbia River since last night, and has spread out
across the Willamette Valley and lower Columbia River valley. 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 department of environmental quality at: www.Oregon.Gov/deq



Rockey


Fire Weather Warning
Issued: 8:48 AM PDT Aug. 15, 2018 – National Weather Service

... Red flag warning in effect from 2 PM this afternoon to 11 PM
PDT this evening for thunderstorms producing abundant lightning on
critically dry fuels for fire weather zone 608...

The National Weather Service in Portland has issued a red flag
warning for thunderstorms producing abundant lightning, which is
in effect from 2 PM this afternoon to 11 PM PDT this evening.

* Affected area... in Oregon... fire weather zone 608 Willamette
National Forest. Lightning appears most likely for the southern
portions of the zone, particularly McKenzie and Middle Fork
districts of the Willamette National Forest.

* Thunderstorms/lal... isolated thunderstorms will develop this
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 red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of the
above conditions can contribute to extreme fire behavior.




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