Aggregator

* 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...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...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...Lake County and eastern Klamath County, Central Douglas County, Eastern Curry County and Josephine County, Eastern Douglas County Foothills, Jackson County, and Klamath Basin. * WHEN...Until noon PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* 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...For the air stagnation advisory this includes the Coquille Valley. * WHEN...Until noon PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* 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 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...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...The valleys of Eastern Curry, Josephine, Jackson, Douglas, Klamath and Lake counties. This includes the cities of Medford, Ashland, Shady Cove, Provolt, Cave Junction, Grants Pass, Agness, Roseburg, Canyonville, Klamath Falls, Crescent, Lakeview, Silver Lake and surrounding areas. * WHEN...Until noon PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 28 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Freeze Warning, from 2 AM to 8 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 28 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Freeze Warning, from 2 AM to 8 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

* 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...The valleys of Eastern Curry, Josephine, Jackson, Douglas, Klamath and Lake counties. This includes the cities of Medford, Ashland, Shady Cove, Provolt, Cave Junction, Grants Pass, Agness, Roseburg, Canyonville, Klamath Falls, Crescent, Lakeview, Silver Lake and surrounding areas. * WHEN...Until noon PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 28 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Freeze Warning, from 2 AM to 8 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 28 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Freeze Warning, from 2 AM to 8 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* 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 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...A strong inversion and stagnant air conditions near the surface will continue to trap pollutants. * WHERE...The valleys of Josephine, Jackson, Douglas, Klamath, Lake, and eastern Coos and Curry counties. This includes the cities of Medford, Ashland, Shady Cove, Provolt, Cave Junction, Grants Pass, Agness, Coquille, Elkton, Roseburg, Canyonville, Klamath Falls, Crescent, Lakeview, Silver Lake, and surrounding areas. * WHEN...Until noon PST Friday. * IMPACTS...Stagnate air conditions may lead to worsening air quality, which in turn may cause issues for people with respiratory problems.

* WHAT...A strong inversion and stagnant air conditions near the surface will continue to trap pollutants. * WHERE...All the valleys of southern eastern and south central Oregon. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Air quality may become worse under this inversion.

* 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...All southern Oregon valleys, including Roseburg, Elkton, Canyonville, Coquille, Klamath Falls, Crescent, Chemult, Bly, Lakeview, Adel, Silver Lake, and Christmas Valley. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the air stagnation advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the freezing fog advisory, The fog thickness had decreased over the last hour or two. * WHERE...Eastern Curry County, Josephine County and Jackson County. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* 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.