[Wrf-users] Radiation timestep - what to use?
havadurumu at gmail.com
Fri Apr 9 14:27:41 MDT 2010
This question was asked before, maybe you can find out in the archive. You
are supposed to use 27 km for all domains.
M.Sc. Meteorological Engineer
Turkish State Meteorological Service
Istanbul Technical University, Atmospheric Sciences Program
On Fri, Apr 9, 2010 at 11:22, Agnes Mika <agnes.mika at bmtargoss.com> wrote:
> Dear WRF help and WRF users,
> I am confused about what value I should use for the radiation
> timestep. The recommendation in the manual is 1 minute per km of dx
> and to use the same value for all nests.
> Should I use the radt valid for the coarsest or the finest nest for
> all nests?
> E.g., I am using nests with 27, 9, and 3 km resolution. Should radt
> be set to 27 for all nests or to 3?
> Thank you in advance,
> Dr. A'gnes Mika
> Advisor, Meteorology and Air Quality
> Tel: +31 (0)527-242299
> Fax: +31 (0)527-242016
> Web: www.bmtargoss.com
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