20250507 09465600 1.0 TRUE Tornado Hazard Warnings Tornado Hazard Warnings Average Annual Number About this map: This depiction of tornado hazard across Puerto Rico uses Iowa State University’s Environment Mesonet data – an archive of environmental data from cooperating member observing networks. The hexagonal grids utilized here provide a standardized method for overlaying multiple hazards each with different spatial representations. The average annual number of tornado warnings issued (2002-2019) is calculated for each hexagonal grid, representing 0.5 sq. miles, and is symbolized using an equal interval classification. Spatial analytics derived by the vulnerability mapping and analysis platform at the university of Central Florida – www.vulnerabilitymap.org