Updated standard DFIRM database specifications; MT-1 and MT-2 forms; and a new coastal flood hazard technical resources page.

The specifications for the Standard DFIRM Database have been revised in anticipation of an upcoming update to Appendix L of FEMA's Guidelines and Specifications for Flood Hazard Mapping Partners. The update includes the specifications document, its Table Relationship Diagrams, sample blank database templates, and a prototype data set. A summary of changes document is available to help users identify updated or revised content.