To recognize the official start of the hurricane season in the North Atlantic (June 1), Cyclone Center is focusing on four hurricanes that all struck Florida 10 years ago in 2004: Charley, Frances, Ivan and Jeanne. These storms claimed 34 lives and caused $18.9 billion in damages. We can't prevent these disasters from happening, but citizen scientists can help researchers understand them better. is a Web-based interface that enables the public to help analyze the intensities of past tropical cyclones around the globe. The climatology of tropical cyclones is limited by uncertainties in the historical record. Patterns in storms imagery are best recognized by the human eye, so researchers need help from citizen scientists in analyzing these storms.