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NOAA Current Watches-OR

Air Stagnation Advisory issued December 1 at 1:51PM MST until December 6 at 9:00PM MST by NWS Boise ID

4 months ago
* WHAT...Dense fog has decreased this afternoon, but areas of lighter fog will continue through the afternoon and evening, then become dense again late tonight and Monday. 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...Oregon Lower Treasure Valley. * WHEN...Until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 1:51PM MST until December 6 at 9:00PM MST by NWS Boise ID

4 months 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

Beach Hazards Statement issued December 1 at 12:44PM PST until December 1 at 5:00PM PST by NWS Medford OR

4 months ago
* WHAT...A high risk of sneaker waves is expected. * WHERE...All beaches and shorelines of Douglas, Coos, and Curry counties. * WHEN...Until 5 PM PST this afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and quickly pull them into the cold ocean waters, resulting in serious injury or death. Waves may also lift driftwood logs, trapping anyone caught underneath. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr
NWS

Air Stagnation Advisory issued December 1 at 12:18PM PST until December 5 at 4:00AM PST by NWS Portland OR

4 months 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...Central and Southern Willamette Valley, 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.
NWS

Air Stagnation Advisory issued December 1 at 11:48AM MST until December 6 at 9:00PM MST by NWS Boise ID

4 months 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 11:48AM MST until December 6 at 9:00PM MST by NWS Boise ID

4 months ago
* WHAT...For the Dense Fog Advisory, visibility less than one 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 will continue to trap pollutants. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Dense Fog Advisory, until 2 PM MST this afternoon. 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 11:48AM MST until December 1 at 2:00PM MST by NWS Boise ID

4 months ago
* WHAT...For the Dense Fog Advisory, visibility less than one 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 will continue to trap pollutants. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Dense Fog Advisory, until 2 PM MST this afternoon. 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 9:34AM PST until December 5 at 4:00AM PST by NWS Portland OR

4 months 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 9:34AM PST until December 5 at 4:00AM PST by NWS Portland OR

4 months 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, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
NWS

Air Stagnation Advisory issued December 1 at 9:34AM PST until December 5 at 4:00AM PST by NWS Portland OR

4 months 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...Lower Columbia River and Cowlitz River Valleys, and North Clark 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 9:34AM PST until December 5 at 4:00AM PST by NWS Portland OR

4 months 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 noon PST today. * 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 9:34AM PST until December 2 at 4:00PM PST by NWS Portland OR

4 months 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Monday. For the Dense Fog Advisory, until noon PST today. * 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 9:34AM PST until December 1 at 12:00PM PST by NWS Portland OR

4 months 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...Lower Columbia River and Cowlitz River Valleys, and North Clark 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

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

4 months 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 noon PST today. * 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 9:34AM PST until December 1 at 12:00PM PST by NWS Portland OR

4 months 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...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Monday. For the Dense Fog Advisory, until noon PST today. * 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 9:34AM PST until December 1 at 12:00PM PST by NWS Portland OR

4 months 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

4 months 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
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