rttov_install

This repo is an attempt to keep track of local RTTOV installations including versions 11, 12, and 13. It includes a script to compile RTTOV software, scripts to gather coefficient files for use in NWP (IAL/Harmonie) and a script to compare old and new coefficient directories.

Get this code

git clone https://github.com/ewhelan/rttov_install.git

Download RTTOV software

$ cd rttov_install
$ mkdir downloads
$ cd downloads
# Copy code here
$ md5sum rttov*
cf58cb4243a196d5958c6782066f956a  rttov113.tar.gz
da5e4f7c75dcb028fd997fed96ad4710  rttov123.tar.gz
98263a31aa389aefb2adf953de584e0b  rttov132.tar.xz

Compile RTTOV software

cd rttov_install
scripts/compile_all.sh -C
scripts/compile_all.sh -c RL8

Download coefficient files

Only MW/VIS/IR and hi-res IR coefficient files are required:

• Optical depth (rtcoef) coefficient files for MW, IR and VIS/IR ✅
• VIS/IR aerosol (scaer) and cloud (sccld) coefficient files ❌
• MFASIS LUT files ❌
• RTTOV-SCATT MW mietable files ❌
• Optical depth (rtcoef) files for hi-res IR sounders ✅
• Hi-res IR sounder aerosol (scaer) and cloud (sccld) coefficient files ❌
• PC-RTTOV coefficient files ❌
• HTFRTC coefficient files ❌

RTTOV 11

cd rttov_install
cd builds/rttov11.3/rtcoef_rttov11
./rttov_coef_download.sh

RTTOV 12

cd rttov_install
cd builds/rttov12.3/rtcoef_rttov12
./rttov_coef_download.sh

RTTOV 13

cd rttov_install
cd builds/rttov13.2/rtcoef_rttov13
./rttov_coef_download.sh

Gather coefficient files

RTTOV 11 (Cycle 43)

cd rttov_install
scripts/make_harmcoefs_11.sh -i builds/rttov11.3/rtcoef_rttov11

RTTOV 12 (Cycle 46)

cd rttov_install
scripts/make_harmcoefs_12.sh -i builds/rttov12.3/rtcoef_rttov12

RTTOV 13 (Cycle 46)

cd rttov_install
scripts/make_harmcoefs_13.sh -i builds/rttov13.2/rtcoef_rttov13

Atlas data

Get atlas data from https://nwp-saf.eumetsat.int/site/software/rttov/download/

For Harmonie

Suggested directory structure

harmonie_sat_const
├── cnrm_mwemis
├── rtcoef_rttov11
│   └── harm_coef
├── rtcoef_rttov12
│   └── harm_coef
├── rtcoef_rttov13
│   └── harm_coef
└── uw_ir_emis_atlas_hdf5

Some links

Note	Link
Update history	https://nwp-saf.eumetsat.int/site/software/rttov/download/coefficients/update-history/
coefficient file history log	https://nwp-saf.eumetsat.int/site/software/rttov/download/coefficients/detailed-file-history/
RTTOV 11 coefficient download	https://nwp-saf.eumetsat.int/site/software/rttov/download/coefficients/rttov-v11-coefficient-download/
MW coefficient file download	wget https://nwp-saf.eumetsat.int/downloads/rtcoef_rttov11/rttov7pred54L/rtcoef_mw_rttov7pred54L.tar.bz2