extreme weather
(20) The term “extreme weather” means recurrent flooding, drought, desertification, wildfires, thawing permafrost, sea level fluctuation, changes in mean high tides, or any other weather-related event, or anticipated change in environmental conditions, that present (or are projected to present) a recurring annual threat to the climate security of the United States or of allies and partners of the United States.
Source
10 USC § 101(a)(20)
Scoping language
None identified, default scope is assumed to be the parent (chapter 1) of this section.