Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

FREEZE WARNING NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM EST THURSDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 28. For the second Freeze Warning, sub-freezing temperatures as low as 29 expected. * WHERE...Union, Gilchrist, Coastal Nassau, Trout River and Western Duval Counties. * WHEN...For the first Freeze Warning, until 10 AM EST this morning. For the second Freeze Warning, from 9 PM this evening to 8 AM EST Thursday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation.