Beaufort, Isère In 2012 the commune had 999 inhabitants. The evolution of the number of inhabitants is known from the population censuses conducted in the commune since 1793. From the 21st century, a census of communes with fewer than 10,000 inhabitants is held every five years, unlike larger communes that have a sample survey every year. Beaufort, Isère Beaufort is a commune in the Isère department in the Auvergne-Rhône-Alpes region of south-eastern France. The inhabitants of the commune are known as "Beaufortois" or "Beaufortoises". Beaufort is located some 50 km north-east of Grenoble and 8 km east of Beaurepaire. Access to the
Tornado intensity tornado winds. With the help of colleague Allen Pearson, he created and introduced what came to be called the Fujita scale in 1973. This is what the F stands for in F1, F2, etc. The scale was based on a relationship between the Beaufort scale and the Mach number scale; the low end of F1 on his scale corresponds to the low end of B12 on the Beaufort scale, and the low end of F12 corresponds to the speed of sound at sea level, or Mach 1. In practice, tornadoes are only assigned categories F0 through F5. The TORRO scale,