[Wrf-users] Wind magnitude overestimated in nocturnal period

[claudiomet]

Thanks to all for the answers !

No Julio, the problem is one: magnitude overestimation during nocturnal
period.
The overestimation is not significant (2 meters/second aproximately) but
this little bias significantly influences the pm10 dispersion.





2014-08-19 11:07 GMT-04:00 Julio Castro <julio.castro at arcadis.cl>:

>  Hi Claudio,
>
>
>
> You have two different problems?
>
>
>
> a)      The magnitude of the wind during the diurnal period is OK, but
> during the night cycle is always overestimated.
>
> b)      In my domain, historically the highest magnitudes of the day are
> in the afternoon-evening, but the model shows the highest magnitudes of the
> day in the morning-noon
>
>
>
> Cheers
>
>
>
> *Julio Castro M.* | Especialista Senior en Calidad de Aire |
> julio.castro at arcadis.cl
>
> ARCADIS Chile | Antonio Varas #621| Providencia
>
> CP 7500655 | Santiago | Chile
>
> T. + 56 2 2 3816248 | F. + 56 2 2 3816001
>
> www.arcadis.cl
>
>
>
> ARCADIS, Imagine the result
>
> *Antes de imprimir este correo piense bien si es necesario. ARCADIS por un
> mundo sustentable.*
>
>
>
> *De:* wrf-users-bounces at ucar.edu [mailto:wrf-users-bounces at ucar.edu] *En
> nombre de *claudiomet
> *Enviado el:* miércoles, 13 de agosto de 2014 12:05
> *Para:* WRF Users
> *Asunto:* [Wrf-users] Wind magnitude overestimated in nocturnal period
>
>
>
> Hi users!
>
> I'm running WRF so many time ago for daily forecasts.
>
> In my case, the most important variable is the wind: magnitude and
> direction.
>
>
> The shape of the curve of the diurnal cycle of the wind is OK, but there
> is a little problem.
>
> The magnitude of the wind during the diurnal period is OK, but during the
> night cycle is always overestimated.
> In my domain, historically the high maqnitudes of the day are in the
> afternoon-evening, but the model shows the high magnitudes of the day in
> the morning-noon
>
> What can be the problem?
>
> Thanks in advance!
>
>
> --
>
> Claudio Cortes N.
>
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-- 
Claudio Cortes N.
Project Engineer
Environmental Area
MICOMO S.A.
Tel: +56 (2) 22400516
Cel: +56 (9) 65871064
ccortes at micomo.cl
www.micomo.cl
Antonio Rabat Sur 6165, Vitacura
Región Metropolitana, Chile
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