Moderate

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 106 expected. * WHERE...Calhoun, Chickasaw, Monroe, and Yalobusha Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * 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.

* WHAT...Heat index values up to 107. * WHERE...In Arkansas, St. Francis County. In Mississippi, Itawamba, Lafayette, Lee MS, Panola, Pontotoc, Tate, and Union Counties. * WHEN...Until 8 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.

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 106 expected. * WHERE...Calhoun, Chickasaw, Monroe, and Yalobusha Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * 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.

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of eastern Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

At 143 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Lake Griffin to near Howey-In-the-hills to 6 miles southwest of Mascotte. Movement was east at 10 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... Leesburg, Eustis, Tavares, Mount Dora, and Groveland. If outdoors, consider seeking shelter inside a building.

At 143 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Southern Pines to near Hamlet. Movement was east at 10 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... Laurinburg, Southern Pines, Rockingham, Raeford, Carthage, Pinehurst, Hamlet, Aberdeen, Maxton, and Hoffman. This includes Interstate 73 between Mile Markers 26 and 30.

Thunderstorms developing from Southern Huntingdon County, south along the Interstate 70 corridor at 115 PM will move east at 35 to 40 mph and strengthen during the mid afternoon as they move along the Interstate 76 and 81 corridors and approach the Lower Susquehanna Valley, including the Greater Harrisburg, York areas between 230 PM and 3 PM. This line of potentially severe thunderstorms will cross much of Schuylkill, Lebanon and Lancaster Counties between 245 PM and 415 PM.

At 117 PM EDT, Doppler radar was tracking a line of strong thunderstorms extending from near Wildwood to 5 miles northeast of North Brooksville, or extending from near Wildwood to 6 miles northeast of Brooksville, moving northeast at 15 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... Wildwood, Bushnell, Lake Panasoffkee, Center Hill, Webster,