Moderate

At 1210 PM CDT, Doppler radar was tracking a strong thunderstorm over Lambert, or 16 miles northwest of Charleston, moving southeast at 30 mph. HAZARD...Wind gusts up to 40 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... Charleston, Lambert, Crowder, Enid, Vance, Waverly, Mims, Denton, and Longstreet.

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast, and southeast Oklahoma. * WHEN...From noon to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. 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

* WHAT...Heat index values up to 107 expected. * WHERE...Southern Sebastian County. * WHEN...From noon to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. 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 1145 AM CDT, Doppler radar was tracking a strong thunderstorm near Boston, or 20 miles southeast of Huntsville, moving south at 25 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... Walnut... Devils Knob... Rosetta... Salus... Catalpa... Fort Douglas... Ozone... Fallsville...

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of north central, northeast, and south central Texas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous

* WHAT...Heat index values up to 106 expected. * WHERE...Coryell County. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and

At 1148 AM CDT, Doppler radar was tracking a strong thunderstorm over Belen, or 12 miles northeast of Clarksdale, moving southeast at 15 mph. HAZARD...Wind gusts up to 40 mph and pea 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... Marks, Lambert, Belen, Vance, West Marks, Sabino, Barksdale, Essex, Denton, Riverview, Longstreet, and Hinchcliff.

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of central, eastern, north central, southeast, southwest, and western Arkansas. * WHEN...From 11 AM to 7 PM CDT Sunday. * 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.