Environmental Systems Research Institute (ESRI) is an international supplier of Geographic Information System (GIS) software, web GIS and geodatabase management applications. The company is headquartered in Redlands, California.
The company was founded as Environmental Systems Research Institute in 1969 as a land-use consulting firm.

Time is running out to prepare for historic weather events fueled by El Niño. Make sure your organization has the capabilities, resources, and tools it needs to weather the storm and safeguard your community. Esri is ready to help you before, during, and after El Niño with Solutions for Flood, a specially designed solution to help you face record-setting rains. Solutions for Flood includes everything your organization needs to defend your community and prepare for the worst.

Flood Management with ArcGIS
Floods are the costliest natural disasters in the world in terms of both human and monetary impact. Knowing when a flood is going to happen, what will be flooded, who will be affected, and how to respond is of great importance to reducing loss of life and property.