Moderate

* WHAT...For the Heat Advisory, heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 112 to 115 possible. * WHERE...In Georgia, Inland Bryan, Inland Chatham, and Inland Liberty Counties. In South Carolina, Dorchester and Inland Jasper Counties. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM EDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening.

* WHAT...Heat index values of 108 to 112 degrees expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Isolated showers and thunderstorms during the afternoon hours could provide relief in some areas. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 110. * WHERE...Portions of north central, northeast, and northwest Alabama and southern middle Tennessee. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

At 641 AM CDT, Doppler radar was tracking a strong thunderstorm near Stillwater, moving east at 35 mph. HAZARD...Wind gusts of 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Stillwater, Yale, Glencoe, Quay, and Ingalls. If outdoors, consider seeking shelter inside a building.

At 623 AM CDT, Doppler radar indicated strong thunderstorms along a line extending from 7 miles east of Perry to 5 miles northwest of Langston. Movement was east at 25 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Pawnee... Sooner Lake... If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values of 105 degrees or greater * WHERE...A portion of Middle Tennessee. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and

At 505 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles northwest of Covington, moving east at 25 mph. HAZARD...Wind gusts of 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Garber, Covington, Breckenridge, Fairmont, and Douglas. If outdoors, consider seeking shelter inside a building.

Areas of fog have developed through the inland Coastal Plains this morning. Expect visibilities 2 mile or less at times with a few locations seeing visibilities 1/4 mile or less at times. Use caution if traveling as visibility may change rapidly in a short amount of time. Use low beam headlights and leave extra distance between your vehicle and others on the road.

At 542 AM EDT/442 AM CDT/, Doppler radar was tracking a strong thunderstorm 11 miles northeast of Hardinsburg, moving east at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Brandenburg, Hardinsburg, Radcliff, Webster, Vine Grove, Irvington, Muldraugh, West Point, Ekron, and Mcquady. If outdoors, consider seeking shelter inside a building.

Some patchy dense fog will restrict visibilities to less than one- quarter of a mile across the valleys of the north Georgia mountains. The fog should lift by 9 am. If driving this morning, slow down, use low-beam headlights and leave extra distance between you and the vehicle in front of you.