[R] Classification of wind events

[Jeff Newmiller]

Please make a reproducible R example of input and output.

On May 12, 2020 1:11:41 AM PDT, Stefano Sofia <stefano.sofia using regione.marche.it> wrote:
>Dear R list users,
>I am aware that this question is not strictly related, at the present
>moment, to R code and it is more general. Please forgive me, but I need
>to share my thoughts with you.
>
>Foehn conditions on the southern slope of Alps happen with strong
>northerly flows that impact perpendicularly over the Apls. This
>situation triggers strong northerly leeward winds.
>Given a single automatic weather station, I would like to identify
>these periods starting from wind direction and wind intensity data.
>Frequency of data is quarter of hour.
>I would really find difficult to detect the moving windows of these
>events:
>- I can't analyse data day by day;
>- at the beginning and at the end of each event, when the process is
>not at full speed yet, the rotation is not always perfectly
>identifiable;
>- I cannot claim in principle that the direction of each consecutive
>observation is costantly and strictly from the chosen direction.
>
>Does anybody have a clue on how to start to build this process in the
>right way?
>
>Thank you for your attention and your help
>Stefano
>
>         (oo)
>--oOO--( )--OOo----------------
>Stefano Sofia PhD
>Civil Protection - Marche Region
>Meteo Section
>Snow Section
>Via del Colle Ameno 5
>60126 Torrette di Ancona, Ancona
>Uff: 071 806 7743
>E-mail: stefano.sofia using regione.marche.it
>---Oo---------oO----------------
>
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-- 
Sent from my phone. Please excuse my brevity.