National Shelter System - Open Shelters This map layer displays Open Shelters in the United States from the Federal Emergency Management Agency's (FEMA) ESF6-SS database. Per FEMA, “The ESF6-SS database is synchronized every morning with the American Red Cross shelter database. After this daily refresh, FEMA GIS connects every 20 minutes to the FEMA ESF6-SS database looking for any shelter updates that occur throughout the day in the the FEMA ESF6-SS.” Canyon Del Oro High School Open Shelter Data currency: Current FEMA service (NSS/OpenShelters). Data modification: None For more information: FEMA National Shelter System Fact Sheet For feedback please contact: ArcGIScomNationalMaps@esri.com Federal Emergency Management Agency Per FEMA, "We leverage a tremendous capacity to coordinate within the federal government to make sure America is equipped to prepare for and respond to disasters."