* WHAT...Sub-freezing temperatures as low as 30 expected.
* WHERE...A portion of eastern North Carolina.
* WHEN...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.
* ADDITIONAL DETAILS...The greatest risk of impacts from freezing temperatures will be for areas away from bodies of water.