up to [FtAbout About FLEXTRA] == FLEXTRA Roadmap == This roadmap gives an overview of the development FLEXTRA ''trajectory model'' versions. Order is reverse chronologically. '''* recommended Version! ''' ||'''Version'''|| '''Date released'''||'''Download'''||'''Important changes'''||'''Main author(s)'''|| ||5.1 = alife|| 4/2017||no download||various improvements and adaptations||A. Philipp, P. Seibert|| ||'''5.0*'''|| 12/2011||download:25||Reading of grib2 format as in FLEXPART 8.2.2 (this implies Fortran90 with grib_api as module)|| S. Eckhardt? || ||4.0|| 7/2008||download:24||Merging GFS and ECMWF version, implementation of GRIB2 with grib_api library for GFS ||S. Eckhardt || ||MH|| 2006||no download||mixing height calculation and ouput - '''THIS IS A BRANCH'''||D. Arnold|| ||3.3|| 9/2000||no download||various changes || ? || ||3.2b|| 3/2000||download:21||Output of humidity data along trajectories; fix important bug in `gridcheck_nests.f` ||A. Stohl || ||3.2d|| 6/2000||download:23||Changes in variable names, output format ||P. Seibert|| ||3.2c|| 5/2000||download:22||Bug fix: (avoid crash when the starting time of the first/last trajectory coincides with the first/last wind field ||A. Stohl || ||3.1|| 9/1999||download:20||Introduction of the FLIGHT mode, bug fix in `trajinterpol.f` ||A. Stohl || ||3.0|| 1/1999||download:19||Use of global fields allowed (polar stereographic grids), Nesting allowed, CET option introduced, New method of adding random errors to uncertainty trajectories||A. Stohl|| ||2.0|| 7/1998||download:18||Various improvements and bug fixes, many related to isentropic trajectories and to PV||A. Stohl, P. Seibert, G. Wotawa, P. James|| ||1.0|| 1996||--||--||A. Stohl, G. Wotawa, P. Seibert||