Search Results for: Wind cheaters
devised by british rear-admiral, sir francis beaufort in based on observations of the effects of the wind. force wind (knots) wmo classification appearance of wind effects on the water on land less than calm sea surface smooth and mirror-like calm, smoke rises vertically - light air scaly ripples, no
foam crests smoke drift indicates wind direction, still wind vanes - light breeze small wavelets, crests glassy, no breaking wind felt on face, leaves rustle, vanes begin to move - gentle breeze large wavelets, crests begin to break, scattered whitecaps leaves and small twigs constantly moving, light...
http://www.enmar.com/cio/resim/upload/files/Beaufort-Wind-Scale.pdf