For the purpose of this article, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
CIVIL EMERGENCY.
(1) A riot, or any unlawful assembly or gathering of three or more persons, characterized by the use of force or violence upon persons or property, or threatened or obvious intended use of force or violence upon persons or property accompanied by immediate power to execute, acting together or in conjunction with each other, without authority of law, which has or could result in injury to persons or property, or jeopardize the public peace, safety and welfare.
(2) Any natural disaster, or human-made calamity, including flood, conflagration, cyclone, tornado, earthquake, explosion or bombing, within the corporate limits of the village or within the area adjacent to the village, resulting in the death or injury of persons or in the damage or destruction of property to such an extent that extraordinary measures must be taken for the protection and preservation of the public peace, safety and welfare within the village.
CURFEW. A prohibition against any person or persons, standing, sitting, lying, loitering, walking, running or being within or upon any vehicle, in or upon any alley, street, highway, public property or vacant premises in any geographical area within the corporate limits of the village, except persons officially designated to duty with reference to such civil emergency.