GIS - Geographic Information Systems

The world of GIS allows you to view data spatially, allowing you to see trends and connections that would normally be hidden. 

ESRI 

ESRI and their ArcGIS line of software is the world leader in professional grade geographic information systems. This software can be run on a local PC, in a server or in a hosted cloud environment. ERSI makes a number of web accessable maps available to help with emergency response.

Below is an example of the Severe Weather Map:

 

 

NAPSG 

The National Alliance for Public Safety GIS Foundation