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GIS Data Clearinghouses and Data Downloads

A GIS Data Clearinghouse is a distributed system of servers located on the internet which contain descriptions of available digital spatial data and services. The fundamental goal of a clearinghouse is to provide access to digital spatial data and related online services for data access, visualization, or order.

The State of Florida does not currently have an official state GIS clearinghouse. However, numerous data resources exist within the state, including -

Scroll down further on this page for downloadable GIS data from the Florida Division of Emergency Management and also visit --

  • Geoportal - web maps and services from the Florida State Emergency Response Team and the Florida Division of Emergency Management
  • Geodata - geodata from the Florida State Emergency Response Team and the Florida Division of Emergency Management
  • GIS Services Directory - GIS map services directory from the Florida State Emergency Response Team and the Florida Division of Emergency Management

Framework Data

The Federal Geographic Data Committee has established several key GIS data themes to be the framework within the National Spatial Data Infrastructure. These GIS data themes are believed to be the key to support the sharing of resources, improving communications, and increasing efficiency.  Statewide data themes available are:

Critical Facilities

"Critical facilities" are defined as those structures from which essential services and functions for victim survival, continuation of public safety actions, and disaster recovery are performed or provided. Shelters, emergency operation centers, public health, public drinking water, sewer and wastewater facilities are examples of critical facilities. Please see Critical Facilities for more information.

Evacuation Routes

Statewide evacuation routes (last updated 08/05/2015) are compiled from Regional Evacuation Studies. Maps are available for those counties with designated evacuation routes.

Hurricane Evacuation Zones

Hurricane Evacuation zones (last updated on 8/14/2017) are designated by the Counties resulting from Statewide Regional Evacuation Studies.

Storm Surge Zones

Storm surge zones (last updated 8/14/2017) are derived from the Sea, Lake and Overland Surges from Hurricanes (SLOSH) MOM Basin, developed by the National Weather Service and updated during the Statewide Regional Evacuation Studies ranging from (2010-2013 & 2017). Maps are available for those counties with designated storm surge zones.

Surge Depth Inundation

These layers (last updated on 8/15/2017) provide an analysis to depict potential storm surge flood depth from the five categories of hurricane on the Saffir-Simpson Hurricane Wind Scale. Based on SLOSH Basin updates ranging from (2010-2013 & 2017) as part of the Statewide Regional Evacuation Studies.

Flood Zones

Flood zones are geographic areas that FEMA has defined according to varying levels of flood risk. To find out about flood zones in your area, visit, FEMA Map Service Center, and FEMA Mapping Information Platform.

To download a file geodatabase or shapefile of Statewide DFIRM flood zones, please click on one the links below:

A REST map service of Statewide DFIRM flood zones may be accessed at and FEMA provides access to the National Flood Hazard Layer via KML.

Additionally, a few of Florida's Water Management Districts are involved in flood zone map modernization, and more details are available at the following websites -

Northwest Florida Water Management District
South Florida Water Management District
Southwest Florida Water Management District
Suwannee River Water Management District


October 5, 2017 17:58


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