2010 09 05
Armdale Yacht Club, Halifax, NS
In this clip, taken at 11:00 a.m. ADT, the wind is clocking about 45 knots on the deck by a hand anemometer. It maxed out later at 56 somewhere around noon. The force of the wind at 56 knots is 55% stronger than it is at 45 knots.
For those of you who doubt that the increase in wind force is the square of the increase in wind speed I enclose a clip taken at 9:00 a.m. ADT when the wind was running 35 to 40 knots.
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