On Thu, 22 Sep 2005 23:16:39 GMT,
Shawn Delaney , in
wrote:
+ The height on the bouys that are used run about 30m which the frictional
+ effects of land can be assumed to be nil...on land the wind sensors at most
+ airports sits ~6m of the gorund in which case would yield different wind
+ speeds.

The standard observation height at the surface is 10m.

Some buoys have 10m masts. Most are 3m masts, and the data is adjusted
to 10m.

Ships can have variable height instrument packages. Also, a ship's
profile can influence the wind speed/direction measurements.

James
--
Consulting Minister for Consultants, DNRC
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