Moderate Expected Likely Dense Fog Advisory Dense Fog Advisory issued January 13 at 12:56PM MST until January 14 at 12:00PM MST by NWS Boise ID Jan 13, 11:00 PM → Jan 14, 12:00 PM WHAT: For the Air Stagnation Advisory, an extended period ofstagnant air, with light winds and little vertical mixing. This isdue to an inversion near the surface that will continue to trappollutants. For the Dense Fog Advisory, visibility one quartermile or less in dense fog. WHERE: Lower Treasure Valley Zones. WHEN: For the Air Stagnation Advisory, until 5 AM MST /4 AM PST/Monday. For the Dense Fog Advisory, from 11 PM MST /10 PM PST/this evening to noon MST /11 AM PST/ Wednesday. IMPACTS: Poor air quality may cause issues for people withrespiratory problems. Low visibility could make driving conditionshazardous. + Read More Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Updated: Jan 13, 4:08 PM Source: NWS Alert
Moderate Expected Likely Air Stagnation Advisory Air Stagnation Advisory issued January 13 at 12:56PM MST until January 19 at 5:00AM MST by NWS Boise ID Jan 13, 12:56 PM → Jan 19, 5:00 AM WHAT: For the Air Stagnation Advisory, an extended period ofstagnant air, with light winds and little vertical mixing. This isdue to an inversion near the surface that will continue to trappollutants. For the Dense Fog Advisory, visibility one quartermile or less in dense fog. WHERE: Lower Treasure Valley Zones. WHEN: For the Air Stagnation Advisory, until 5 AM MST /4 AM PST/Monday. For the Dense Fog Advisory, from 11 PM MST /10 PM PST/this evening to noon MST /11 AM PST/ Wednesday. IMPACTS: Poor air quality may cause issues for people withrespiratory problems. Low visibility could make driving conditionshazardous. + Read More Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Updated: Jan 13, 4:08 PM Source: NWS Alert