Ladies and Gentlemen,

As promised I have uploaded an Excel spreadsheet that will allow you to estimate
a wind speed and gust at any height up to 50 metres above ground level given a
wind speed and gust measurement at one height. All you have to do is enter the
heights and the measured data and the spreadsheet will do the rest.

I emphasise that any results you get are theoretical *estimates* and in any
postings/correspondence I suggest you quote the measured data and state clearly
that data for any other height is an estimate. Having said that I hope that this
spreadsheet will help in data comparison, e.g. wind at 10 metres. If lots use
it, it has the advantage of one method of correction. The sheet also calculates
and outputs roughness length which will vary according to wind direction. I
intend to use my data to see how roughness length varies with wind direction and
atmospheric conditions.

Finally if any one is lucky enough to have wind *measurements* at two or more
heights then I would be grateful for any comparisons with the outputs of the
spreadsheet.

Over to you guys!

The spreadsheet is available at www.lyneside.demon.co.uk/Windcalculator.xls
More information on main site in due course.

Will Hand
Chief Meteorologist HMO
--
-------------------------------------------------------------------------------
A COL BH site in East Dartmoor at Haytor, Devon 310m asl (1017 feet).

mailto:
www: http://www.lyneside.demon.co.uk/Hayt...antage_Pro.htm

DISCLAIMER - All views and opinions expressed by myself are personal
and do not necessarily represent those of my employer.
-------------------------------------------------------------------------------