Bruce Bigelow has an interesting story in Xconomy about the sensors, wireless networks, wind-speed monitors and other technologies deployed in San Diego County to track and perhaps predict wildfires. Some of this work is being done here at UC San Diego (see below) and read the full story here at Xconomy.
"A more sophisticated wireless sensor network, such as the High Performance Wireless Research and Education Network developed by researchers at UC San Diego, serves as a model of the type of network that could provide even more data, including imagery, that could help in the prediction of and response to disasters, according to Hans-Werner Braun of the San Diego Supercomputer Center."