(1) An emergency means any natural disaster or man-made calamity, or immediate potential therefore, including, but not limited to, flood, conflagration, cyclone, tornado, volcanic eruption, earthquake, or explosion within the corporate limits of this City, resulting in the death or injury of persons or the destruction of property to such an extent that extraordinary measures must be taken to protect the public health, safety and welfare, or

(2) Unforeseen circumstances beyond the control of the City which present real, immediate threat to the proper performance of essential functions of government. (Ord. 04-10 §3, 2004; Ord. 01-26 §3, 2001).