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Case study initial conditions for the Lothar storm are provided on the OpenIFS ftp site. The Lothar depression developed initially on 24th December off the North American east coast at 35N.
The initial conditions are available at a range of different resolutions and start dates for a 10 day forecast. The experiment ids are created at ECMWF and used for identifying the model forecasts on the ECMWF archive system (for those with access).
Resolution | Expt id | Start date(s) | Analysis type | Filename |
---|---|---|---|---|
T159L60 | fqar | 1999/12/24/12z | ERA-Interim | T159_1999122412_fqar.tgz |
T255L60 | fqak | 1999/12/24/12z | ERA-Interim | T255_1999122412_fqak.tgz |
T511L60 | fqaj | 1999/12/24/12z | ERA-Interim | T511_1999122412_fqaj.tgz |
T1023L60 | fs2y | 1999/12/24/12z | ERA-Interim | T1023_1999122412_fs2y.tgz |
T1279L60 | fqaf | 1999/12/24/12z | ERA-Interim | T1279_1999122412_fqaf.tgz |
% mkdir -p runs/lothar/t159 % cd runs % ftp ftp.ecmwf.int ftp> cd case_studies/lothar_storm ftp> binary ftp> get 1999122412_T159_fqar.tgz ftp> quit % tar zxf 1999122412_T159_fqar.tgz % ls 1999122412_T159.tgz ICMCLfqarINIT ICMGGfqarINIT ICMGGfqarINIUA ICMSHfqarINIT fqar.NODE.001_01 fqar.namelistfc |
check 'ifsdata' link exists in directory
check that CRTABLEDIR in namelist (fort.4) is set correctly.
This article in a recent ECMWF Newsletter has a description of student projects at the University of Stockholm using the Lothar storm case study.
A. Hannachi, J. Kjellsson, M. Tjernström, G. Carver, 2012, Teaching with the OpenIFS at Stockholm University, ECMWF Newsletter No. 134, Winter 2012/13.
Wikipedia article:
Cyclone Lothar and Martin, Wikipedia article, retrieved 17/12/14.
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