* WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 30 expected. * WHERE...Portions of east central Georgia and central South Carolina. * WHEN...For the Frost Advisory, until 8 AM EST this morning. For the Freeze Warning, from 1 AM to 9 AM EST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.