* WHAT...Dangerously hot conditions with heat index values 115 to 120 degrees Friday.
* WHERE...Portions of southeast Georgia and southeast South Carolina.
* WHEN...Until 8 PM EDT Friday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest heat index values are expected from noon through 4 PM Friday. Additionally, isolated showers and thunderstorms during the afternoon may provide relief in some areas.