Heat Advisory

* WHAT...For the Heat Advisory, heat index values up to 112. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected.

* WHERE...In Georgia, Inland Bryan, Inland Chatham, and Inland Liberty Counties. In South Carolina, Dorchester and Inland Jasper Counties.

* WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.