* WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 112 expected.
* WHERE...Aransas Islands, Calhoun Islands, Kleberg Islands, and Nueces Islands Counties.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.