The regulations and restrictions established in any township zoning district must be made in accordance with a comprehensive plan with reasonable consideration as to the character of such district, its peculiar suitability for particular uses, the normal growth of the municipality, and the various types of occupations, industries, and land uses within the area, and must be    designed to facilitate traffic movement, encourage orderly growth and development of the municipality and adjacent areas, promote health, safety, and general welfare, and provide for emergency management. “Emergency management” means a comprehensive integrated system at all levels of government and in the private sector which provides for the development and maintenance of an effective capability to mitigate, prepare for, respond to, and recover from known and unforeseen hazards or situations, caused by an act of nature or man, which may threaten, injure, damage, or destroy lives, property, or our environment. The comprehensive plan must be a statement in documented text setting forth explicit goals, objectives, policies, and standards of the jurisdiction to guide public and private development within its control.