Air Stagnation Advisory issued January 15 at 7:43PM PST until January 16 at 10:00AM PST by NWS Portland OR
* 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. * WHERE...South Willamette Valley. * WHEN...Until 10 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.
Dense Fog Advisory issued January 15 at 7:43PM PST until January 16 at 10:00AM PST by NWS Portland OR
* 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. * WHERE...South Willamette Valley. * WHEN...Until 10 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.
Air Stagnation Advisory issued January 15 at 9:36AM PST until January 16 at 10:00AM PST by NWS Medford OR
* WHAT...For the Dense Fog Advisory, visibility of less than a quarter of a mile in dense fog. For the Air Stagnation Advisory, 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...Valleys in central Douglas County. This includes Roseburg, Sutherlin, Elkton, Camas Valley, Canyonville, Glendale and surrounding areas. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 10 AM PST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for
Small Craft Advisory issued January 14 at 9:46PM CST until January 15 at 10:00AM CST by NWS Duluth MN
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Watch, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft possible. * WHERE...Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...For the Small Craft Advisory, from 4 AM to 10 AM CST Wednesday. For the Gale Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels
Cold Weather Advisory issued January 14 at 9:43PM EST until January 15 at 10:00AM EST by NWS Charleston WV
* WHAT...Very cold wind chills as low as 13 below expected. * WHERE...Northwest Randolph, Southeast Pocahontas, Southeast Webster, Southeast Fayette, Southeast Nicholas, and Southeast Raleigh Counties. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. Very cold temperatures can lead to hypothermia with prolonged exposure.
Air Stagnation Advisory issued January 14 at 3:22PM PST until January 16 at 10:00AM PST by NWS Portland OR
* WHAT...Poor air quality due to a period of stagnant air with light winds. * WHERE...Central and Southern Willamette Valley. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Air Stagnation Advisory issued January 14 at 12:45PM PST until January 16 at 10:00AM PST by NWS Medford OR
* 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...All inland valleys of southern Oregon, including but not limited to the Rogue, Illinois, Umpqua, and Klamath valleys. This includes the cities of Medford, Ashland, Klamath Falls, Roseburg, Grants Pass, Elkton, Canyonville, Cave Junction, Lakeview, Coquille, and Myrtle Point. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...Strong valley inversions, very shallow mixing layers of less than 1000 feet, and calm winds
Cold Weather Advisory issued January 14 at 7:02PM EST until January 15 at 10:00AM EST by NWS Pittsburgh PA
* WHAT...Very cold wind chills between 10 and 20 degrees below zero expected. An additional 1 to 3 inches of snow possible through Wednesday for higher elevations. * WHERE...In Pennsylvania, Higher Elevations of Fayette, Higher Elevations of Westmoreland, and Higher Elevations of Indiana Counties. In West Virginia, Eastern Preston and Eastern Tucker Counties. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.
Winter Weather Advisory issued January 14 at 9:30PM EST until January 15 at 10:00AM EST by NWS Cleveland OH
* WHAT...Lake effect snow. Additional snow accumulations up to two inches. * WHERE...Geauga County. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute.
Cold Weather Advisory issued January 14 at 7:04PM EST until January 15 at 10:00AM EST by NWS Baltimore MD/Washington DC
* WHAT...Very cold wind chills as low as 10 to 15 below expected. * WHERE...In Maryland, Extreme Western Allegany County. In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton and Western Mineral Counties. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.