Skip to main content

Aggregator

Dense Fog Advisory issued December 1 at 9:34AM PST until December 1 at 12:00PM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. 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...Lane County Lowlands. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Dense 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.
NWS

Air Stagnation Advisory issued December 1 at 9:10AM PST until December 4 at 4:00PM PST by NWS Medford OR

1 month 1 week ago
* 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, and Jackson County. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 8:01AM MST until December 6 at 9:00PM MST by NWS Boise ID

1 month 1 week ago
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 8:01AM MST until December 6 at 9:00PM MST by NWS Boise ID

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility less than a quarter mile in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that may trap pollutants. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Dense Fog Advisory, until noon MST today. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
NWS

Dense Fog Advisory issued December 1 at 8:01AM MST until December 1 at 12:00PM MST by NWS Boise ID

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility less than a quarter mile in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that may trap pollutants. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Dense Fog Advisory, until noon MST today. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 5 at 4:00AM PST by NWS Portland OR

1 month 1 week ago
* 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, Lane County Lowlands, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 5 at 4:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 2 at 4:00PM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Dense Fog Advisory issued December 1 at 4:25AM PST until December 1 at 9:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Dense Fog Advisory issued December 1 at 4:25AM PST until December 1 at 9:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 5 at 4:00AM PST by NWS Portland OR

1 month 1 week ago
* 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, Lane County Lowlands, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 5 at 4:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Freezing Fog Advisory, visibility one quarter mile or less in freezing fog. 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...Central Willamette Valley, Benton County Lowlands, and Linn County Lowlands. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Freezing Fog Advisory, until 9 AM PST this morning. * IMPACTS...For the Freezing Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 5 at 4:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 4:25AM PST until December 2 at 4:00PM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Freezing Fog Advisory issued December 1 at 4:25AM PST until December 1 at 9:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Freezing Fog Advisory, visibility one quarter mile or less in freezing fog. 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...Central Willamette Valley, Benton County Lowlands, and Linn County Lowlands. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Freezing Fog Advisory, until 9 AM PST this morning. * IMPACTS...For the Freezing Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS

Dense Fog Advisory issued December 1 at 4:25AM PST until December 1 at 9:00AM PST by NWS Portland OR

1 month 1 week ago
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems.
NWS