* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Very cold apparent ("feels-like") temperatures as cold as
15-25 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Willapa Hills and Adjacent River Valleys of Pacific and
Wahkiakum Counties, Lower Columbia River and Cowlitz River
Valleys, South Washington Coast, and South Washington Cascade
Foothills.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 25 degrees in the Portland/Vancouver metro area and 15 degrees
elsewhere. Areas experiencing easterly winds near the Columbia
River Gorge will see warmer temperatures - some above freezing.
* WHAT...Stagnant conditions will have potential to trap pollutants
near the ground with deteriorated air quality.
* WHERE...Portions of North Idaho and Central, North Central, and
Northeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface.
* WHAT...Stagnant conditions will have potential to trap pollutants
near the ground with deteriorated air quality.
* WHERE...Nezperce, Winchester, Pomeroy, Craigmont, Soldiers Meadow
Road, Culdesac, Kamiah, Clarkston, Alpowa Summit, Lewiston Grade,
Gifford, Peck, Lewiston, and Lapwai.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface.
* WHAT...Very cold temperatures as low as 20 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Willapa Hills and Adjacent River Valleys of Pacific and
Wahkiakum Counties, Lower Columbia River and Cowlitz River
Valleys, South Washington Coast, and South Washington Cascade
Foothills.
* WHEN...From 10 PM this evening to 10 AM PST Sunday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 25 degrees in the Portland/Vancouver metro area and 15 degrees
elsewhere. Areas experiencing easterly winds near the Columbia
River Gorge will see warmer temperatures - some above freezing.
* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Very cold temperatures as low as 20 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Willapa Hills and Adjacent River Valleys of Pacific and
Wahkiakum Counties, Lower Columbia River and Cowlitz River
Valleys, South Washington Coast, and South Washington Cascade
Foothills.
* WHEN...For the first Cold Weather Advisory, until 10 AM PST this
morning. For the second Cold Weather Advisory, from 10 PM this
evening to 10 AM PST Sunday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 25 degrees in the Portland/Vancouver metro area and 15 degrees
elsewhere. Areas experiencing easterly winds near the Columbia
River Gorge will see warmer temperatures - some above freezing.
* WHAT...Very cold temperatures as low as 20 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Willapa Hills and Adjacent River Valleys of Pacific and
Wahkiakum Counties, Lower Columbia River and Cowlitz River
Valleys, South Washington Coast, and South Washington Cascade
Foothills.
* WHEN...For the first Cold Weather Advisory, until 10 AM PST this
morning. For the second Cold Weather Advisory, from 10 PM this
evening to 10 AM PST Sunday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 25 degrees in the Portland/Vancouver metro area and 15 degrees
elsewhere. Areas experiencing easterly winds near the Columbia
River Gorge will see warmer temperatures - some above freezing.
* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Stagnant air conditions will have potential to trap
pollutants near the ground.
* WHERE...Portions of North Idaho and Central, North Central, and
Northeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface.
* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Stagnant air conditions will have potential to trap
pollutants near the ground.
* WHERE...Portions of North Idaho and Central, North Central, and
Northeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface.
* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Cold temperatures as low as 20.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Lower Columbia River and Cowlitz River Valleys, Willapa
Hills, and South Washington Cascade Foothills.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 15 degrees F in the rural portions of the central Willamette
Valley. Areas experiencing easterly winds within the Columbia
River Gorge will see warmer temperatures - some above freezing.
* WHAT...Cold temperatures between 20 to 25 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Northern and Central Coast Range Valleys and
Mountains of Oregon, Foothills of the Northern and Central Oregon
Cascades, Lower Columbia River and Cowlitz River Valleys, Willapa
Hills, and South Washington Cascade Foothills.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* IMPACTS...Hypothermia will occur if unprotected skin is exposed to
these temperatures.
* ADDITIONAL DETAILS...Easterly winds through the Columbia River
Gorge could gust as high as 25 to 35 mph in the eastern
Portland/Vancouver Metro Area, leading to wind chills near 25
degrees.
* WHAT...Very cold temperatures as low as 20 degrees F.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Willapa Hills and
Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower
Columbia River and Cowlitz River Valleys, Outer Southeast Portland
Metro, North Clark County Lowlands, and South Washington Cascade
Foothills.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Wind chill values can lead to hypothermia with prolonged
exposure.
* ADDITIONAL DETAILS...Reduced wind speeds have kept temperatures
slightly warmer than previous evenings. Areas experiencing the
coldest temperatures are around the mouth of the Columbia River
Gorge and more rural areas. Locations with higher wind speeds are
experiencing apparent ("feels-like") temperatures near 30 degrees
F.
* WHAT...Very cold temperatures of 20 to 25 degrees expected.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Willapa Hills and
Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower
Columbia River and Cowlitz River Valleys, Outer Southeast Portland
Metro, North Clark County Lowlands, and South Washington Cascade
Foothills.
* WHEN...From 10 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure.
* WHAT...Very cold wind chills of 20 to 25 degrees expected.
* WHERE...Bellevue and Vicinity, Bremerton and Vicinity, Everett and
Vicinity, Seattle and Vicinity, and Tacoma Area.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure and will impact vulnerable populations such as
the homeless, pets, and those without adequate access to heating.
* WHAT...Very cold wind chills as low as 15 to 20 degrees expected.
* WHERE...East Puget Sound Lowlands.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure and will impact vulnerable populations such as
the homeless, pets, and those without adequate access to heating.
* WHAT...Very cold apparent (feels-like) temperatures west of the
Cascades. Interior lowlands 20 to 25 degrees F, and 10 to 20
degrees F through the Columbia River Gorge, and Upper Hood River
Valley.
* WHERE...The Lower Elevations of Northwest Oregon, and The Lower
Elevations of Southwest Washington.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* ADDITIONAL DETAILS...Easterly winds through the Columbia River
Gorge will lead to hazardous wind chill temperatures within the
Gorge and Portland/Vancouver Metro Area. East winds will gusts as
high as 40 mph within the Gorge, and 30 mph in the far eastern
Portland/Vancouver Metro.
