In the event of the occurrence or threatened or impending occurrence of any of the situations or events contemplated by KRS 39A.010, 39A.020, or 39A.030, which in the judgment of a local chief executive officer is of such severity or complexity as to require the exercise of extraordinary emergency measures, the mayor or his or her designees as provided by ordinance, may declare in writing that a state of emergency exists.
(KRS 39A.100(3))