; and (B) high-performance computing, visualization, and dissemination needs. (2) A timeline and guidance for implementation of— (A) high-resolution numerical weather prediction models; (B) methods for meeting the high-performance computing, visualization, and dissemination needs discussed under paragraph (1)(B); (C) real-time high-resolution probabilistic forecasts; (D) improved observations, including through radars, satellites, and uncrewed aerial systems; (E) a flexible framework to communicate clear and simple hazardous weather and water event information to the public; and (F) social, behavioral, risk, and communication research to improve the forecaster operational environment and societal information reception and response. 5. 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