* WHAT...Sub-freezing temperatures as low as 30 possible.
* WHERE...In Maryland, Eastern Garrett, Extreme Western Allegany, and Western Garrett Counties. In Virginia, Eastern Highland and Western Highland Counties. In West Virginia, Eastern Pendleton, Western Grant, Western Mineral, and Western Pendleton Counties.
* WHEN...From 1 AM to 8 AM EDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
* AFFECTED AREAS: EXTREME WESTERN ALLEGANY ... WESTERN GARRETT ... EASTERN GARRETT ... WESTERN HIGHLAND ... EASTERN HIGHLAND ... WESTERN GRANT ... WESTERN MINERAL ... WESTERN PENDLETON ... EASTERN PENDLETON
