Weather Alerts for W. Valley

Issued by the National Weather Service

Freezing Fog Advisory  FREEZING FOG ADVISORY   Freezing Fog Advisory
W. VALLEY

Areas Affected:
Benton County Lowlands - Linn County Lowlands - Lane County Lowlands
Effective: Wed, 12/4 9:47am Updated: Wed, 12/4 11:15am Urgency: Expected
Expires: Wed, 12/4 10:00pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...For the Freezing Fog Advisory, areas of fog and freezing
fog, with visibility one quarter mile or less at times. For the
Air Stagnation Advisory, Light winds and limited air movement will
lead to a period of stagnant air conditions. This scenario could
result in the build up of air pollutants over time.

* WHERE...South Willamette Valley.

* WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday.
For the Freezing Fog Advisory, until noon PST today.

* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems. Low visibility could make driving
conditions hazardous.

Information:
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.

People with respiratory illness should follow their physician's
advice for dealing with high levels of air pollution during periods
of stagnant air, especially if an Air Quality Alert is in effect for
your area. To see if an Air Quality Alert is in effect for your
area, go to www.weather.gov/pqr and left-click your location on the
homepage map display. Alternatively, you could also type your
location into the search bar found on the top-left hand side of the
homepage. From there, you will see an Air Quality Alert listed at
the top if one is in effect for your location; you can click the
alert to read more details if applicable.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

Air Stagnation Advisory  AIR STAGNATION ADVISORY   Air Stagnation Advisory
W. VALLEY

Areas Affected:
North Oregon Coast Range Lowlands - Central Oregon Coast Range Lowlands - Lower Columbia River - Tualatin Valley - Outer Southeast Portland Metro - Clackamas County Cascade Foothills - Cascade Foothills of Marion and Linn Counties - Lane County Cascade Foothills - Willapa and Wahkiakum Lowlands - Cowlitz County Lowlands - North Clark County Lowlands - South Washington Cascade Foothills
Effective: Wed, 12/4 9:47am Updated: Wed, 12/4 11:15am Urgency: Expected
Expires: Wed, 12/4 10:00pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.

* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Lower Columbia
River and Cowlitz River Valleys, Tualatin Valley, Outer Southeast
Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County
Lowlands, and South Washington Cascade Foothills.

* WHEN...Until 4 AM PST Thursday.

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

Information:
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.

People with respiratory illness should follow their physician's
advice for dealing with high levels of air pollution during periods
of stagnant air, especially if an Air Quality Alert is in effect for
your area. To see if an Air Quality Alert is in effect for your
area, go to www.weather.gov/pqr and left-click your location on the
homepage map display. Alternatively, you could also type your
location into the search bar found on the top-left hand side of the
homepage. From there, you will see an Air Quality Alert listed at
the top if one is in effect for your location; you can click the
alert to read more details if applicable.

Air Stagnation Advisory  AIR STAGNATION ADVISORY   Air Stagnation Advisory
W. VALLEY

Areas Affected:
Benton County Lowlands - Linn County Lowlands - Lane County Lowlands
Effective: Wed, 12/4 9:47am Updated: Wed, 12/4 11:15am Urgency: Expected
Expires: Wed, 12/4 10:00pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...For the Freezing Fog Advisory, areas of fog and freezing
fog, with visibility one quarter mile or less at times. For the
Air Stagnation Advisory, Light winds and limited air movement will
lead to a period of stagnant air conditions. This scenario could
result in the build up of air pollutants over time.

* WHERE...South Willamette Valley.

* WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday.
For the Freezing Fog Advisory, until noon PST today.

* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems. Low visibility could make driving
conditions hazardous.

Information:
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.

People with respiratory illness should follow their physician's
advice for dealing with high levels of air pollution during periods
of stagnant air, especially if an Air Quality Alert is in effect for
your area. To see if an Air Quality Alert is in effect for your
area, go to www.weather.gov/pqr and left-click your location on the
homepage map display. Alternatively, you could also type your
location into the search bar found on the top-left hand side of the
homepage. From there, you will see an Air Quality Alert listed at
the top if one is in effect for your location; you can click the
alert to read more details if applicable.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

Air Stagnation Advisory  AIR STAGNATION ADVISORY   Air Stagnation Advisory
W. VALLEY

Areas Affected:
West Central Willamette Valley - East Central Willamette Valley
Effective: Wed, 12/4 9:47am Updated: Wed, 12/4 11:15am Urgency: Expected
Expires: Wed, 12/4 10:00pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.

* WHERE...Central Willamette Valley.

* WHEN...Until 4 AM PST Thursday.

* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems. Low visibility could make driving
conditions hazardous.

Information:
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.

People with respiratory illness should follow their physician's
advice for dealing with high levels of air pollution during periods
of stagnant air, especially if an Air Quality Alert is in effect for
your area. To see if an Air Quality Alert is in effect for your
area, go to www.weather.gov/pqr and left-click your location on the
homepage map display. Alternatively, you could also type your
location into the search bar found on the top-left hand side of the
homepage. From there, you will see an Air Quality Alert listed at
the top if one is in effect for your location; you can click the
alert to read more details if applicable.