LITTLE_R Tutorial : Introduction
Program LITTLE_R is the third program in the suite of MM5 system
programs. This program reads in output from program REGRID (REGRID_DOMAINx),
and observations (radiosonde and surface reports), performs an
objective analysis which blends first guess with observations,
and outputs data on pressure levels again (just like it is from
REGRID).
The program functions of LITTLE_R are as those in RAWINS, but
RAWINS is an older Fortran 77 package. We recommend running
LITTLE_R rather than RAWINS. The advantages of LITTLE_R are
that it is more user friendly and that it makes observation input
easier to deal with for users who don't have access to NCAR's
archived ADP data, as the input format is in ASCII format.
You should not be here if you have not successfully run the REGRID
program.
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If you do not plan on running Objective Analysis (LITTLE_R/RAWINS) you can
skip this section and move directly to the INTERPF
section. |
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