[wxqc] Calibrating anemometers

[Victor Engel]

Thanks for the links. I've got some reading ahead of me. I suspect it's
quite unlikely that I'll find a better site location for an anemometer on my
property than what I'm using, with the exception of putting it higher. My
pole actually extends higher than it is now, but I've kept it at 40 feet
because I have the impression (perhaps misguided) that local ordinance so
dictates. That's more reading ahead of me.

On 7/9/06, Gerry Creager N5JXS <gerry.creager at tamu.edu> wrote:
>
> Victor Engel wrote:
> > I report to CWOP, but it hasn't been long enough for a quality check
> > yet. My neighbor does not. Yes, the nearby red oak is big enough to
> > shelter from the wind. I think I'll take our data and do a statistical
> > analysis on our differences by wind direction. If it's a shelter
> > anomaly, we each should have directions that register higher than the
> > other, I would think.
>
> Should shed some light on the problem.
>
> > Regarding the plot that you suggest, how would you recommend doing that?
>
> I'd make a drawing of the house... or start with an even bigger blowup
> of the neighborhood.  Travis Co. has some of that on-line; check for the
> DRGs at http://www.tnris.state.tx.us in the Digital Data area.  Measure
> distances from the instrument to each obstruction and note the
> shading/shadowing the obstruction causes.  Then you'll have a better
> idea of what can cause you problems.
>
> You're in an urban environment.  I strongly recommend you look at this
> document:
> http://www.wmo.ch/web/www/IMOP/publications/IOM-81/IOM-81-UrbanMetObs.pdf
> for info on instrument siting in complex urban settings.
>
> Gerry
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://pond1.gladstonefamily.net:8080/pipermail/wxqc/attachments/20060709/9ed26d1f/attachment.html