* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Coastal Citrus, Coastal Hernando, Coastal Levy, Coastal Pasco, Inland Citrus, Inland Hernando, Inland Levy, Inland Pasco, and Sumter Counties. * WHEN...For the Cold Weather Advisory, from midnight tonight to 9 AM EST Wednesday. For the Freeze Warning, from 1 AM to 9 AM EST Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.