EMC/NCEP RSM Frequently Asked Question Page
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- What is RSM?
RSM stands for Regional Spectral Model, which is a limited-area atmospheric model
using spectral method for computation.
- What is the model dynamics and physics in RSM?
RSM has two model dynamic options, hydrostatic and nonhydrostatic. It uses
NCEP global model's physics but has its own mesoscale physics, such as prognostic
- What applications has RSM been used?
Daily weather forecast, regional climate, regional enhancement of ReAnalysis,
regional ensemble, provide its products for air pollution, volcanic ash and
forest fire weather.
- Which machine can RSM run?
The original code of RSM is designed for CRAY machine by FORTRAN 77, but there is a compile option to make it machine independent as a so-called portable code. It was running on CRAY C90, CRAY J90, IBM risc, HP UX, DEC alpha, SGI indy etc.
- Is RSM a NCEP operational model?
RSM is developed at NCEP, and is scheduled operationally to support Hawaii daily weather forecast this year and possible North Atlantic aviation forecast.
- Can I have a copy of the RSM for local machine?
You can get a copy from EMC/NCEP by a request letter to the Director of NCEP.
- Who is the contact person for RSM?
Hann-Ming Henry Juang.
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( by Hann-Ming Henry Juang )