As used in this chapter, the following terms shall have the meanings ascribed to them in this section:
CIVIL DEFENSE: The preparation for, and carrying out of, all emergency functions, other than functions for which primary responsibility is assigned elsewhere by federal, state or local law or ordinance, to protect the public peace, health and safety and to preserve lives and property in the city during any emergency resulting from enemy attack, sabotage or other hostile action, or from any flood, drought, fire, hurricane, earthquake, storm or other catastrophe in or near said community, and involving imminent or actual peril to life and property. These functions include administration, organization, planning, recruiting, training, education, information, welfare service, relief service, police service, warden service, fire service, rescue service, medical service, health service, transportation service, communications service, streets and sewers service, utilities service, general engineering service, plant protection service, supply service, mutual aid, mobile support, evacuation and all other functions necessary or incidental to the preparation for any carrying out of the foregoing functions.
ENEMY CAUSED EMERGENCY: Any state of emergency caused by actual or impending attack, sabotage or other hostile action, anywhere within the United States and involving imminent peril to lives and property in the city. Such emergency shall be deemed to exist only when the mayor shall so declare any public proclamation and such emergency shall be deemed to exist until the aforesaid mayor shall declare its termination by public proclamation, or until the city council shall declare its termination by resolution.
NATURAL EMERGENCY: Any state of emergency caused by any actual or impending flood, drought, fire, hurricane, earthquake, storm or other catastrophe in or near the city, and involving imminent peril to lives and property. Such emergency shall be deemed to exist and to be terminated under the same conditions as prescribed for an "enemy caused emergency". (1985 Code § 6-10)