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Question:
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.The wind speed is shown as a five-digit groupĀ (six digits if speed is over 99 knots). The first three digits represent the direction of the wind, rounded to the closest tens of degrees relative to true (rather than magnetic) north, or "VRB" if the direction is variable. The next two digits are the speed in knots, or the next three digits if over 99 mph. If the wind is gusty, it is indicated by a "G" following the speed and the highest gust observed. To indicate the use of knots for wind speed, the term "KT" is used. KJFK's wind group is 18004KT, which indicates the wind is blowing from 180 degrees at 4 knots.
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