Moderate

* WHAT...Heat index values up to 107 expected. * WHERE...Portions of central, east central, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...From 1 PM to 8 PM CDT Thursday. * 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.

At 935 PM EDT, Doppler radar was tracking a strong thunderstorm near St. George, or 10 miles southwest of Callahan, moving south at 5 mph. 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... Macclenny, St. George, Bryceville, Baldwin, and Whitehouse Air Field. If outdoors, consider seeking shelter inside a building.

At 944 PM EDT, Doppler radar was tracking a strong thunderstorm near Fort McCoy, moving southeast at 5 mph. 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... Fort McCoy, Lake Delancy, Orange Springs, Hog Valley, and Burbank. If outdoors, consider seeking shelter inside a building.

At 827 PM CDT, Doppler radar was tracking a strong thunderstorm near New Holland, or 7 miles west of Lincoln, moving east at 40 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... Lincoln, Atlanta, Mount Pulaski, Emden, Hartsburg, New Holland, Chestnut, Beason, Lawndale, and Broadwell. This includes the following highways... Interstate 155 between mile markers 0 and 10.

At 829 PM CDT, Doppler radar was tracking a strong thunderstorm near Sturkie, or near Salem in Fulton County, moving east at 30 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... Cherokee Village... Salem in Fulton County... Ash Flat... Mammoth Spring... Flint Springs... Sturkie... Agnos... Heart...

At 859 PM EDT, Doppler radar was tracking a strong thunderstorm over Raiford, moving southeast at 10 mph. HAZARD...Wind gusts up to 50 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... Starke, Lake Butler, Raiford, Olustee, Beasley, New River, Camp Blanding, Sanderson, Sampson, and Lawtey.

At 701 PM MDT/801 PM CDT/, Doppler radar was tracking a strong thunderstorm 8 miles southeast of Wallace, or 16 miles east of Sharon Springs, moving southeast at 20 mph. HAZARD...Wind gusts up to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of southeastern Wallace and southwestern Logan Counties.

At 904 PM EDT, Doppler radar was tracking a strong thunderstorm near Lake Marian, moving southwest at 5 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... Kenansville and Lake Marian. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

At 805 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms over Causeyville, or 12 miles southeast of Meridian. These storms were nearly stationary. 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... Toomsuba, Alamucha, Middleton, Sykes, Kewanee, Causeyville, and Snell. If outdoors, consider seeking shelter inside a building.

At 908 PM EDT, a strong thunderstorm was located near Centerville, moving east at 45 mph. HAZARD...Wind gusts up to 45 mph and very heavy rain. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Visibility will be poor and hydroplaning is possible. Locations impacted include... Richmond, Connersville, Centerville, Cambridge City, Hagerstown, Fountain City, Dublin, Franklin, Waterloo, Abington, Milton, Greens