FEMA Flood Map Service Center: LOMC Batch Files
Letter of Map Change (LOMC) Batch Files are downloadable as zip files and contain all new Letters of Map Amendment (LOMAs), Letters of Map Revision (LOMRs), Revalidation Letters and Summaries of Map Action (SOMAs) issued during a week. Additionally, Batch Files include indices to help manage the content. The files are typically posted within 2 weeks of the end of the Issue Date window.
To learn more about LOMCs, please see the following webpages: