Short description of Stormpredator 3.5: StormPredator displays near real-time NEXRAD doppler radar images for any USA location on PC desktop on 3D Topo maps. Has EXCLUSIVE GPS storm tracker & amp; predictor tool, plus personal scan zone & amp; distance measuring tool that helps you track storms, predict ETA, & amp; plot storm paths. No data fees. The radar images are FREE. It's like having a personal Weather Radar on your PC to warn of approaching storms. Email & amp; cell phone alerts