Through the use of a host of modern GIS tools, a common operating Picture and Initial damage assessment and dollar loss estimate is available within minutes to emergency support, and decision makers. The Role of GIS in the EOC: • To provide dynamic situational awareness and a common operating picture To provide initial Damage/ Loss estimates • To provide Analysis support for a wide range of spatial questions • To provide external map information for the general public • To provide requested paper maps in support of EOC Functions Traditional GIS vehicles; Wall Maps and Paper Map Books are combined with Interactive maps, and newer map technologies; Web Maps, map services, and on-line map services are all utilized. Inputting minimal data, various Models and tools automatically build out damage and loss zones. From these zones lists of the number of schools, properties, hazardous material locations, hospitals, roads affected, and a host of features are identified on the maps while reports, and spreadsheets are created. In addition, property damage estimates, are key outputs. GIS at Adams County encompasses a variety of departments and people. Each GIS team contributes to the success of GIS in the EOC, and all participate in the readiness exercises, to be prepared in the event of a full scale disaster. This presentation will demonstrate many of the tools developed to support the EOC, and describe the variety of multidisciplinary aspects of GIS at Adams County. The presentation will highlight successes; outline challenges overcome, and explore future challenges.