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Air Stagnation Advisory


URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1205 PM PST Sat Nov 28 2020

WAZ027-520-291500-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-201130T1800Z/
Yakima Valley-East Slopes of the Washington Cascades-
Including the cities of Naches, Sunnyside, Toppenish, Yakima,
Cle Elum, and Cliffdell
1205 PM PST Sat Nov 28 2020

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
MONDAY...

* WHAT...Poor air quality.

* WHERE...Yakima Valley and East Slopes of the Washington
  Cascades.

* WHEN...Until 10 AM PST Monday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People with respiratory illness should follow their physician`s
advice for dealing with high levels of air pollution during
periods of stagnant air.

State air quality agencies highly recommend that no outdoor
burning occur and that residential wood burning devices be
limited as much as possible. According to state air quality
agencies, prolonged periods of stagnant air can hold pollutants
close to the ground where people live and breathe. Check with
your local burn agency for any current restrictions in your area.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1205 PM PST Sat Nov 28 2020

ORZ505-291500-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-201130T1800Z/
John Day Basin-
Including the cities of Dayville, John Day, Mitchell, Monument,
and Spray
1205 PM PST Sat Nov 28 2020

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
MONDAY...

* WHAT...Poor air quality.

* WHERE...John Day Basin.

* WHEN...Until 10 AM PST Monday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People with respiratory illness should follow their physician`s
advice for dealing with high levels of air pollution during
periods of stagnant air.

State air quality agencies highly recommend that no outdoor
burning occur and that residential wood burning devices be
limited as much as possible. According to state air quality
agencies, prolonged periods of stagnant air can hold pollutants
close to the ground where people live and breathe. Check with
your local burn agency for any current restrictions in your area.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1257 AM PST Sun Nov 29 2020

ORZ025-027>031-291700-
/O.CON.KMFR.AS.Y.0003.000000T0000Z-201130T1900Z/
Eastern Douglas County Foothills-South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Steamboat, Toketee Falls, Altamont,
Klamath Falls, Beatty, Bly, Chemult, Crescent, Gilchrist,
Sprague River, Adel, Lakeview, and Valley Falls
1257 AM PST Sun Nov 29 2020

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST
MONDAY...

* WHAT...Poor air quality.

* WHERE...Central and Eastern Lake County, Eastern Douglas County
  Foothills, South Central Oregon Cascades, Klamath Basin,
  Siskiyou Mountains and Southern Oregon Cascades and Northern and
  Eastern Klamath County and Western Lake County.

* WHEN...Until 11 AM PST Monday.

* IMPACTS...Poor air quality is likely to cause health issues for
  people with respiratory problems if precautions are not taken.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People with respiratory illness should follow their physician`s
advice for dealing with diminished air quality. N95 masks are
effective at filtering out the majority of harmful air
particulates.

&&

$$

Visit us at https://www.weather.gov/Medford

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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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