; (G) language barriers; and (H) how understanding and response to such hurricane forecasts and warnings varies across geographic areas, including rural, urban, and suburban. (2) identify data gaps based on the review conducted pursuant to paragraph (1); (3) taking into the account the data gaps identified pursuant to paragraph (2), carry out social and behavioral research, including data collection, to improve the understanding of how the public, including vulnerable populations, receive, interpret, and respond to hurricane forecasts and warnings and to inform evidence-based updates to existing hurricane forecasts and warnings; (4) carry out research, including data collection, to evaluate and quantify the economic value of extending lead times of tropical cyclone warnings and watches, including to vulnerable populations; (5) identify affected populations and gather data to conduct baseline assessments; (6) conduct retrospective assessments of previous hurricane forecasts and warnings and improvements to better understand the key components of the value of the forecasts and warnings provided; (7) conduct ex ante assessments based on potential forecasts and warnings improvements and expected actions or behavior changes; (8) conduct cost benefit analysis of forecasts and warnings improvement alternatives; (9) conduct risk assessments for pre-, during, and post-storm periods in regions and communities with significant elderly populations, including retirement communities; (10) establish policies and procedures for the collection, archiving, and stewardship of data on community response, including the response of vulnerable populations, to high-impact tropical systems