Weather: Birmingham

WHAT
Heat index values up to 108.

WHERE
Bibb, Blount, Cherokee, Chilton, Etowah, Fayette, Greene, Hale, Jefferson, Lamar, Marion, Perry, Pickens, Shelby, St. Clair, Sumter, Tuscaloosa, Walker, and Winston Counties.

WHEN
Until 9 PM CDT Thursday.

IMPACTS
Hot temperatures and high humidity may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stoke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

LOCATIONS
Alabama, Northern Georgia, Western North Carolina, Western South Carolina, Southern Tennessee

EFFECTIVE
This Wednesday afternoon and evening from 100 PM until 800 PM CDT.

THREATS
Scattered damaging wind gusts to 70 mph likely, Isolated large hail events to 1 inch in diameter possible

SITUATION
Scattered thunderstorms will steadily develop, increase, and organize across the region, with damaging downbursts likely with the stronger storms within a very moist and unstable environment. Some semi-organized west/southwestward-moving clusters may evolve by late afternoon/early evening with more focused damaging wind potential. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 35 miles west northwest of Tuscaloosa AL to 70 miles northeast of Atlanta GA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0).

PRECAUTIONS
A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes.