Moderate

At 552 PM EDT, Doppler radar was tracking a strong thunderstorm over Forest Acres, moving south at 10 mph. HAZARD...Wind gusts 35 to 45 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Columbia, West Columbia, Cayce, Forest Acres, Dentsville, Oak Grove, St. Andrews, South Congaree, Pine Ridge, Arcadia Lakes, Hopkins, Riverbanks Zoo, SC State Farmer's Market, Woodfield, Columbia Metro

At 350 PM MDT/450 PM CDT/, Doppler radar was tracking a cluster of strong thunderstorms in northern Cheyenne County, about 8 miles south of Haigler, or 9 miles northwest of St. Francis, moving northeast at 15 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 northern Cheyenne,

At 356 PM MDT, Doppler radar was tracking a strong thunderstorm 26 miles west of Delta, moving northeast at 30 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Hinckley, Abraham, Sugarville, and Sutherland. This includes US Route 6 between mile markers 54 and 84. If outdoors, consider seeking shelter inside a building.

At 555 PM EDT, Doppler radar was tracking a strong thunderstorm near Nanty-Glo, moving southeast at 20 mph. Other storms were nearby this storm. HAZARD...Wind gusts up to 50 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. Locations impacted include... Johnstown, Westmont, Windber, Belmont, Nanty-Glo, Portage, Geistown, Southmont, Vinco, Dale, East Conemaugh, Salix-Beauty Line Park,

At 558 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles north of Willacoochee, moving east at 20 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... Douglas, Broxton, and Ambrose. If outdoors, consider seeking shelter inside a building.

At 530 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Vanderbilt to near Eastern Corwith Township to near Johannesburg. Movement was east at 20 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... Vanderbilt, Briley Township, Sparr, Eastern Corwith Township, and Pickerel Lake.

At 333 PM MDT/433 PM CDT/, Doppler radar was tracking a cluster of strong thunderstorms 4 miles northeast of Bonny Reservoir. These storms were nearly stationary. HAZARD...Wind gusts up to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of southeastern Yuma County in northeastern Colorado, northeastern Kit Carson County in east central Colorado, western Cheyenne and northwestern Sherman

At 337 PM MDT, Doppler radar was tracking a strong thunderstorm 11 miles south of Lake City, or 50 miles southwest of Gunnison, moving northeast at 10 mph. HAZARD...Wind gusts up to 40 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 central Hinsdale County. This includes Colorado 149 between mile markers 47 and 60.

* WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Tuesday. * 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 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Tuesday. * 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