Dense Fog Advisory issued December 11 at 2:31AM PST until December 11 at 9:00AM PST by NWS Portland OR
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of lowest visibility along I-5 and to the west. Dense fog is patchy and can form quickly.
Freezing Fog Advisory issued December 11 at 2:25AM PST until December 11 at 12:00PM PST by NWS Pendleton OR
* WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...Foothills of the Blue Mountains of Oregon, and North Central Oregon. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 11 at 2:03AM MST until December 11 at 12:00PM MST by NWS Boise ID
* WHAT...For the Air Stagnation Advisory, 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...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday. For the Dense Fog Advisory, until noon MST today. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. * ADDITIONAL
Dense Fog Advisory issued December 10 at 8:02PM PST until December 11 at 10:00AM PST by NWS Hanford CA
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Freeze Warning, sub-freezing temperatures as low as 33 expected. * WHERE...Buttonwillow - Lost Hills - I5 and Delano-Wasco-Shafter. * WHEN...For the Dense Fog Advisory, until 10 AM PST Wednesday. For the Freeze Warning, from midnight tonight to 8 AM PST Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 10 at 6:44AM EST until December 10 at 12:00PM EST by NWS Baltimore MD/Washington DC
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, central, northern, and northwest Virginia, and panhandle West Virginia. * WHEN...Until noon EST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 9 at 8:11PM PST until December 10 at 10:00AM PST by NWS Seattle WA
* WHAT...Visibility one quarter to one half mile in areas of dense fog and localized freezing fog. * WHERE...Southwest Interior. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of sub-freezing temperatures into Tuesday morning may cause localized freezing fog.
Dense Fog Advisory issued December 9 at 8:09PM PST until December 10 at 12:00PM PST by NWS Spokane WA
* WHAT...Visibility one quarter to one half mile in dense freezing fog. * WHERE...Harrington, Ritzville, Badger Mountain Road, Coulee City, Odessa, Wilbur, Waterville, Creston, Mansfield, and Grand Coulee. * WHEN...Until noon PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous. In addition, below freezing temperatures could result in slick roadways.
Dense Fog Advisory issued December 10 at 4:55AM CST until December 10 at 9:00AM CST by NWS Corpus Christi TX
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one mile or less. For the Gale Warning, north winds 20 to 30 knots with gusts up to 40 knots and seas 5 to 8 feet expected. * WHERE...Bays and Waters out 20 NM from Baffin Bay to the Matagorda Ship Channel. * WHEN...For the Dense Fog Advisory, until 9 AM CST this morning. For the Gale Warning, from 3 PM this afternoon to 6 AM CST Wednesday. * IMPACTS...Gale force winds and high seas will result in dangerous marine conditions which could result in capsized or damaged
Dense Fog Advisory issued December 10 at 4:52AM CST until December 10 at 9:00AM CST by NWS Corpus Christi TX
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Aransas Islands, Calhoun Islands, Coastal Aransas, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Inland Kleberg, Inland Nueces, Inland San Patricio, Jim Wells, Kleberg Islands, and Nueces Islands Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Hazardous driving conditions due to low visibility.
Dense Fog Advisory issued December 10 at 5:54AM EST until December 10 at 12:00PM EST by NWS Baltimore MD/Washington DC
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Gale Watch, southwest winds 15 to 25 kt with gusts up to 35 kt possible. * WHERE...Tidal Potomac from Key Bridge to Indian Head MD and Patapsco River including Baltimore Harbor. * WHEN...For the Dense Fog Advisory, until noon EST today. For the Gale Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels Low visibility will make navigation difficult.