1. How Does The Beaufort Wind Scale Work?

How Does The Beaufort Wind Scale Work?

Beaufort Wind ScaleBeaufort Wind ScaleDeveloped in 1805 by Sir Francis Beaufort, U.K. His wicked reputation madeline hunter epub. Royal NavyForceWind(Knots)WMOClassificationAppearance of Wind EffectsOn the WaterOn Land0Less than 1CalmSea surface smooth and mirror-likeCalm, smoke rises vertically11-3Light AirScaly ripples, no foam crestsSmoke drift indicates wind direction, still wind vanes24-6Light BreezeSmall wavelets, crests glassy, no breakingWind felt on face, leaves rustle, vanes begin to move37-10Gentle BreezeLarge wavelets, crests begin to break, scattered whitecapsLeaves and small twigs constantly moving, light flags extended411-16Moderate BreezeSmall waves 1-4 ft.