Branick, Michael. NOAA Technical Memorandum NWS SR-145, A Comprehensive Glossary of Weather Terms for Storm Spotters. U.S. Department of Commerce, 1995.
Everything Weather - The Essential Guide to the Whys and Wonders of Weather.
Famighetti, Robert (ed.). The World Almanac and Book of Facts (1996). Mahwah, New Jersey. Funk & Wagnalls Corporation, 1995.
Federal Meteorological Handbook No. 1, Surface Weather Observations and Reports. National Weather Service, U.S. Department of Commerce, 1996.
Huschke, R.E. (ed.). The Glossary of Meteorology. Boston, Massachusetts. American Meteorological Society Press, 1980.
National Weather Service Observing Handbook No. 7, Surface Weather Observations and
Reports. U.S. Department of Commerce, 1996.