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Wind speed
Wind speed, or wind velocity, is a fundamental atmospheric rate. Wind speed affects weather forecasting, aircraft and maritime operations, construction projects, growth and metabolism rate of many plant species, and countless other implications. Wind speed is now commonly measured with an anemometer but can also be classified using the older Beaufort scale which is based on people's observation of specifically defined wind effects.
7 Beaufort number
is equal to
50 min
Description
-
7
Description
High wind
Sea conditions
Sea heaps up. Some foam from breaking waves is blown into streaks along wind direction. Moderate amounts of airborne spray.
Land conditions
Whole trees in motion. Effort needed to walk against the wind.
Wind speed
Wave height
-
4
-
5.5
-
13
-
19