Reliable flood forecasting and early detection of flood conditions are critical components of an effective local flood warning program. For nearly two decades, user groups have maintained close associations with private sector vendors, consultants and government agencies involved with the business of flood warning. This has contributed substantially to the technological advancement of automated real-time monitoring systems. The technologies and methods described at this site illustrate some of the capabilities which have evolved, resulting in many successful flood warnings and partnerships. In addition to flood warning, these technologies are useful in many other areas of water resource management and planning.