Moderate

* WHAT...For the Dense Fog Advisory, visibility as low as 1/4 mile in dense fog. For the Frost Advisory, temperatures as low as 34 will result in frost formation. * WHERE...Fairbanks North Star Borough * WHEN...Until 9 AM AKDT this morning. * IMPACTS... -Low visibility could make driving conditions hazardous. -Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS... -Fog has developed over the Tanana River and is moving northeast

At 856 AM EDT/756 AM CDT/, Doppler radar was tracking strong thunderstorms along a line extending from 12 miles west of Brandenburg to 15 miles west of Elizabethtown. Movement was northeast at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Elizabethtown, Brandenburg, Radcliff, Webster, Vine Grove, Lebanon Junction, Irvington, Muldraugh, West Point, and Ekron.

At 827 AM EDT, a strong thunderstorm was over Sandy Springs, or 7 miles west of Peachtree Corners, moving east at 5 mph. HAZARD...Heavy rain. SOURCE...Radar indicated. IMPACT...Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include... Atlanta, Marietta, Peachtree Corners, Sandy Springs, Roswell, Alpharetta, Smyrna, Dunwoody, Chamblee, Norcross, Doraville, North Atlanta, Tucker, Mount Bethel, Mechanicsville, Sandy Plains, Chastain Memorial Park, and Vinings.

* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Interstate 5 Corridor. * WHEN...From 7 PM this evening to 7 AM PDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Santa Barbara County Southwestern Coast and Santa Ynez Mountains Western Range. * WHEN...From 7 PM this evening to 7 AM PDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Visibility a quarter mile in dense fog. * WHERE...City and Borough of Yakutat and Eastern Chichagof Island. * WHEN...Until 8 AM AKDT this morning. * IMPACTS...Low visibility could make travel conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

At 631 AM CDT/531 AM MDT/, Doppler radar was tracking a strong thunderstorm 7 miles north of Madrid, or 13 miles northeast of Grant, moving northeast at 30 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Paxton, Sarben, and Nevens. This includes Interstate 80 in Nebraska between mile markers 136 and 154. If outdoors, consider seeking shelter inside a building.

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Manitowoc and Kewaunee Counties. * WHEN...Until noon CDT today. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Door County. * WHEN...Until noon CDT today. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Sub-freezing temperatures of 27 to 32 expected. * WHERE...Northern and Eastern Klamath County and Western Lake County, including Chemult, Crescent, Sprague River, Bly, and Winter Rim. * WHEN...From 2 AM to 8 AM PDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.