* WHAT...Dangerously hot conditions with heat index values up to 110.
* WHERE...Portions of northeast Kentucky, southeast Ohio, and the lowlands and western foothills of West Virginia.
* WHEN...Until 10 PM EDT Friday.
* IMPACTS...Heat related illnesses increase significantly during extreme, prolonged high heat and humidity events.
* ADDITIONAL DETAILS...An extended period of hot and humid conditions continues, peaking on Thursday.