; and (C) meets qualification standards established by the Office of Personnel Management. (2) Exercise of authority The direct hire authority provided by this subsection shall be exercised with respect to an individual described in paragraph (1) not later than 2 years after the date on which the individual completed the fellowship under the program. 15. Identification and support of consistent, Federal set of forward-looking, long-term meteorological information (a) Definitions In this section: (1) Extreme weather The term extreme weather includes observed or anticipated severe and unseasonable atmospheric conditions, including drought, heavy precipitation, hurricanes, tornadoes and other windstorms (including derechos), extreme heat, extreme cold, flooding, sustained temperatures or precipitation that deviate substantially from historical averages, and any other weather event that the Under Secretary determines qualifies as extreme weather. (2) Long-term The term long-term shall have such meaning as the Director of the National Institute of Standards and Technology, in consultation with the Under Secretary, considers appropriate for purposes of this section. (3) Other environmental trends The term other environmental trends means wildfires, coastal flooding, inland flooding, land subsidence, rising sea levels, and any other challenges relating to changes in environmental systems over time that the Under Secretary determines qualify as environmental challenges other than extreme weather. (b) Identification and support of consistent, Federal set of forward-Looking, long-Term meteorological information The Under Secretary shall identify, and support research that enables, a consistent, Federal set of forward-looking, long-term meteorological information that models future extreme weather events, other environmental trends, projections, and up-to-date observations, including mesoscale information as determined appropriate by the Under Secretary. 16. Gap analysis on availability of snow-related data to assess and