Moderate

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of eastern Mississippi. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Thursday. * 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.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 degrees. For the Heat Advisory, heat index values up to 110 degrees expected. * WHERE...Portions of west central and southwest Mississippi, southeast Arkansas, and northeast Louisiana. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of eastern Mississippi. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Thursday. * 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.

At 551 PM MDT, Doppler radar was tracking a strong thunderstorm 5 miles southeast of Flagler, moving southeast at 20 mph. HAZARD...Wind gusts up to 55 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. This storm will remain over mainly rural areas of southwestern Kit Carson County. This includes Interstate 70 in Colorado between mile markers 390 and 409.

At 753 PM EDT, Doppler radar was tracking a strong thunderstorm over Cecil Field, or 9 miles west of Orange Park. A strong thunderstorm was nearly stationary. HAZARD...Wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Jacksonville, Orange Park, Maxville, Cisco Gardens, Ortega, Oakleaf Plantation, Bellair-Meadowbrook Terrace, Cecil Field, Doctors Inlet, and Lakeside.

At 653 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles west of Abbeville to Cottonwood. Movement was southwest at 10 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... Cottonwood, Headland, Dothan, Ozark, Taylor, Midland City, Kinsey, Ashford, Cowarts, Newton, Webb, Pinckard, Rehobeth, Grimes, Avon,

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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 heat stroke.

At 757 PM EDT, Doppler radar was tracking a strong thunderstorm over Glen St. Mary, or 12 miles north of Raiford. A strong thunderstorm was nearly stationary. HAZARD...Wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Raiford, Macclenny, Glen St. Mary, Olustee, Sanderson, Ellerbee, and Johnstown. If outdoors, consider seeking shelter inside a building.

At 556 PM MDT, Doppler radar was tracking a strong thunderstorm over Royal Gorge, or 38 miles southwest of Colorado Springs, moving south at 20 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Canon City and Royal Gorge. If outdoors, consider seeking shelter inside a building.

At 715 PM EDT, Doppler radar was tracking a strong thunderstorm over Orange Heights, or 7 miles west of Melrose. A strong thunderstorm was nearly stationary. HAZARD...Wind gusts around 40 mph and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include... Gainesville, Keystone Heights, Melrose, Hawthorne, Orange Heights,