On Thu, 25 Sep 2003 12:21:25 -0600, Tom Polakis wrote:
> Thad said that the friendly ranger said:
>
> ...is the clouds"). He even added that the winds "generally" turn to the
> SW at night, and any leftover smoke "should" drain into the West Clear
> Creek basin. Given our site is higer, we "should" be OK...
>
>
> I'll ask Brian directly: do winds in northern Arizona really turn to the
> southwest at night? Why do planes down here always turn around at
> sunset, and take off and land facing east at night?
>
What the ranger is describing is the katabatic wind, hence the "draining".
The site seems to be fairly surrounded by drainage paths (except for a
slight rise to the south), so it might be optically good too.
-Paul
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