* WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 29 expected. For the second Freeze Warning, sub-freezing temperatures as low as 24 expected. * WHERE...Portions of north central, northeast, northwest, and west central Georgia. * WHEN...For the first Freeze Warning, from 1 AM to 9 AM EST Saturday. For the second 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.