in coordination with the performance and evaluation branches of the National Weather Service and Oceanic and Atmospheric Research, shall develop metrics for such branches to track and evaluate the degree to which communications regarding hazardous weather or water events inform response. (5) Support plan The Program shall develop a plan for the purpose of carrying out paragraph (3). Such plan shall be periodically updated and informed by internal and extramural research and the results of the evaluation of communications regarding hazardous weather or water events and associated risks under paragraph (4). (6) Methods In carrying out this section, the Program shall develop and implement recommendations that— (A) are based on the best and most recent understanding from social, behavioral, economic, risk, and communications science research