Developed by the Tornado and Storm Research Organization serving Great Britain and Europe. Some people feel the scale is more precise than the Fujita Scale. Developed by Sir Francis Beaufort in 1805 in Great Britain. Gives land and sea wind characteristics. This scale influenced the development of the Fujita and Torro Scales.
Students discover the subjectivity of assigning F-scale values.
From the U.S. National Weather Service and the National Oceanic and Atmospheric Administration, this site refreshes every 5 minutes to give up to date meteorological maps and warnings. Other pages refresh every 60 seconds. The National Warnings section provides up to date bulletins about tornados and other severe weather. Contains an interactive map showing warnings in individual states. From Dave's Storm Pics created by Dave Lewison.