Tag: dense

Official

Dense Fog Advisory issued December 5 at 1:31AM MST until December 5 at 11:00AM MST by NWS Great Falls MT

* WHAT...For the Dense Fog Advisory, visibility one-half mile or less in dense freezing fog. For the High Wind Watch, west winds 30 to 40 mph with gusts up to 70 mph possible. * WHERE...Eastern Glacier, Western Toole, and Central Pondera Counties. * WHEN...For the Dense Fog Advisory, until 11 AM MST this morning. For the High Wind Watch, from Friday afternoon through Sunday morning. * IMPACTS...Through this morning...low visibility and icy roadways could make driving conditions hazardous. Friday evening into Sunday morning...high winds may move loose debris, damage property and cause power outages. Travel could also be difficult, especially
Official

Dense Fog Advisory issued December 5 at 1:06AM MST until December 5 at 12:00PM MST by NWS Pocatello ID

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Bear Lake Valley, including the towns of Montpelier, Paris, Bloomington, Georgetown, and Saint Charles. This also includes the portion of U S Route 89 through the Bear Lake valley. * WHEN...Until noon MST today. * IMPACTS...Low visibility will make driving conditions hazardous.
Official

Dense Fog Advisory issued December 4 at 9:16AM MST until December 6 at 2:00PM MST by NWS Boise ID

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less 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...Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 2 PM MST Friday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog could produce patchy
Official

Dense Fog Advisory issued December 4 at 8:27PM PST until December 5 at 10:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...San Luis Obispo County Beaches, San Luis Obispo County Inland Central Coast, Santa Barbara County Central Coast Beaches, Santa Barbara County Inland Central Coast, and Santa Ynez Valley. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.
Official

Dense Fog Advisory issued December 3 at 6:38PM MST until December 5 at 2:00PM MST by NWS Boise ID

* WHAT...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. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Air Stagnation Advisory, until 5 PM MST Saturday. For the Dense Fog Advisory, until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
Official

Dense Fog Advisory issued December 3 at 6:38PM MST until December 4 at 12:00PM MST by NWS Boise ID

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less 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...Upper Treasure Valley. * WHEN...For the Dense Fog Advisory, until noon MST Wednesday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.