qualified State declared disaster

For purposes of this section, the term “qualified State declared disaster” means, with respect to any State, any natural catastrophe (including any hurricane, tornado, storm, high water, winddriven water, tidal wave, tsunami, earthquake, volcanic eruption, landslide, mudslide, snowstorm, or drought), or, regardless of cause, any fire, flood, or explosion, in any part of the State, which in the determination of the Governor of such State (or the Mayor, in the case of the District of Columbia) causes damage of sufficient severity and magnitude to warrant the application of the rules of this section.