They can be ordered from the sources indicated. Developing Hail Databases for the United States . Stanley A. Changnon and David Changnon. This is the final report of a two-year project funded by the National Oceanic and Atmospheric Administration's Office of Global Programs and the National Aeronautics and Space Administration's Mission to Planet Earth. The goal was to assemble and evaluate historical hail data from weather stations in the contiguous United States from 1901 to 1994.
Maps display the spatial pattern of annual and seasonal hail days.
The final report describes the data collection procedures, explains how the data sets were evaluated, and gives the findings from the research. The database itself was digitized and distributed on CD-ROM to selected public and private organizations concerned with hail and its impacts. Inside the World's Deadliest Hurricanes, Tornadoes, and Blizzards . Jeffrey J. Rosenfeld. In presenting the historical and scientific events and findings that have shed light on this and related questions about severe meteorological events, he touches on everything from snowflake formation to the birth of hurricanes and tornadoes.