Tornado rating system

(a) In general The Under Secretary shall, in collaboration with such stakeholders as the Under Secretary considers appropriate— (1) evaluate the system used as of the date of the enactment of this Act to rate the severity of tornadoes; and (2) determine whether updates to that system are required to ensure that the ratings accurately reflect the severity of tornadoes. (b) Update required If the Under Secretary determines under subsection (a) that updates to the tornado rating system are necessary, the Under Secretary shall update the system.