Beaufort Scale Printable - 14 rows beaufort number wind description wind speed wave height visual clues; The scale ranges from force 0 (calm), to force 12 (hurricane). The scale that carries beaufort's name had a long and complex evolution from the previous work of others (including daniel defoe the century before) to when beaufort was hydrographer of the navy in the 1830s, when it was adopted offi… The beaufort scale is an empirical measure that relates wind speed to observed conditions at sea or on land. Beaufort wind scale (estimated wind speeds) beaufort number wind speed mean wind speed kt km/h mph (kt / km/h / mph) description land conditions 0 0 calm. A simple way to estimate wind speed approximate speed at 20 ft (6.1 m) above the ground wind force number (beaufort number) description mph km/h knots m/s. The beaufort numbers in the beaufort scale are arranged from 0. The beaufort scale was used to estimate the weather via visual observation to. This is a free printable worksheet in pdf format and holds a printable version of the quiz beaufort scale. Describing adequately the sea state is essential for safety reason. This tool provides through illustrations a mean to qualify the sea condition. The scale was devised in 1805 by the irish hydrographer francis beaufort (later rear admiral), a royal navy officer, while serving on hms woolwich. Beaufort wind scale table force wind speed descriptive term effects observed at sea effects observed on land; Created by sir francis beaufort in 1805, an irish born british admiral and hydrographer. Its full name is the beaufort wind force scale.

Beaufort scale values and descriptions Download Table

The beaufort scale is used to measure and detail the consequences of different wind speeds on objects on land or at sea. The beaufort scale was used to estimate the weather via visual observation to. My guess is if anyone here has been in a force 12 we wont be hearing from. Beaufort wind scale (estimated wind speeds) beaufort number wind speed mean wind speed kt km/h mph (kt / km/h / mph) description land conditions 0 0 calm. A simple way to estimate wind speed approximate speed at 20 ft (6.1 m) above the ground wind force number (beaufort number) description mph km/h knots m/s.