1. Notice for MESO-NH graphic tool 1.Graphic tool: diaprog Program written in Fortran 90 specifically for Meso-NH outputs, based on NCAR graphic software (which must be installed on your computer, free uploading on http://ngww.ucar.edu/ ) http://ngww.ucar.edu/ 1.1 Environment for diaprog (p.8) Before using diaprog for the first time, do not forget to initialize: Environment variable for NCAR software NCARG_ROOT (add $ NCARG_ROOT/bin in the PATH variable) VARTTY=$(tty ) for interactive mode after a file of directives DISPLAY (to visualise the graphics) 1.2 Files to be plotted 1.2.1 Diachronic format (p.2)(p.2) To use diaprog, the files must be diachronic ones, they are a)Either an initial or physiographic file, converted by conv2dia b)Or one or several synchronuous output files (name ended by.00n ) converted in one or several diachronic files by conv2dia c)Or an output file of the DIAG MesoNH program, automatically converted by conv2dia d)Or a diachronic file written during a simulation (name ended with.000 ) Only the binary part (.lfi ) of the file is used by diaprog

2. 1.2.2 Conversion of a synchronuous file by conv2dia File(s) to be converted must be splitted in.des and.lfi parts (otherwise use fm2deslfi to get.lfi or.Z.lfi ) diaprog … … directives on keyboard … quit All the directives (keywords, precise syntax) are stored in an text file named dir.date:hh:mm to allow modifications and future use by diaprog< dir.date:hh:mm conv2dia n file1 … filen filedia 1.3 ``Interactive’’ use of diaprog <- number of synchronuous files to convert <- name of the 1st synchronuous file <- name of the last synchronuous file <- name of the output diachronic file 1.4 Graphic outputs Images are stored by diaprog in a file named gmeta (specific NCAR format) You have to rename it before use diaprog again. To visualise images: idt gmeta To convert in PostScript : ctrans –d ps.color –q gmeta > gmeta.ps

3. 2.The directives taped on keyboard, or in a text file, respect a strict syntax…… 80 characters maximum, character &, character ! converted in upper case (except ‘filename’ and process name) keywords between _ (ex: _PV_ ) 2.1 General directives (p.27) linvwb=t to invert black and white _file1_’filename’ to open file ( filename.lfi must be in DIRLFI directory) _file2_’otherfile’ to open a 2nd file visu to open a graphic window lprint=t to get in a text file named FICVAL the values of the plotted fields lprintxy=t and the coordinate values convallij2ll to get the lat-lon values of all the grid points convij2xy=i1,,j1,i2,j2,9999. ‘’ of some grid points convxy2ij=lat1,lon1,9999. or vice versa 2.2 Directives to scan file (p.27) print groups print the ‘groups’ names of the current file print UM dim proc time print informations for the ‘group’ UM print filecur print the name of current file opened print UM(i1:i2,j1:j2,k1:k2) print the values of the sub-array

4. 2.3 Directives for plotting _file1_ to select an opened file (if several opened) _T_ to select a time (_T_time1 or _T_3600 ) _MINUS_ (_PLUS_) difference or sum between 2 fields _ON_ to superpose fields 2.3.1 Horizontal section (p.37) Iso-surface (3D fields) p.42 p.42 _K_ on a model level, ex: _K_20 _Z_ on an altitude level (m), ex: _Z_5000 _PR_ on an isobaric level (hPa), ex: _PR_850 (if PABSM or PABST in the file) _TK_ on an isentropic level (K), ex: _TK_320 (if THM or THT in the file) _EV_ on a potential vorticity level (PVU), ex: _EV_2 (if POVOM or POVOT in the file) _SV3_ on any level ( LXYZ00=T CGROUPSV3=‘gpe_nam’ ) Section limits (p.44) default: the whole simulation domain (physical domain) or zoom with NIINF= NISUP= NJINF= NJSUP= Horizontal wind (p.39) Name UM, VM (or UT, VT or UMnn, VMnn) Module : MUMVM Vectors : UMVM, stream lines : LSTREAM=TUMVM Direction : DIRUMVM 2.3.2 Horizontal profile (p.51) // to the axes: NIINF=NISUP: //Y, NJINF=NJSUP : //X//X Other orientation: intersection of a horizontal section and vertical one ( _CV__K_, or _CV__Z_, or _CV__PR_, …)

5. 2.3.3 Vertical section (p.60) _CV_ p.67 p.67 defined by 4 different ways NIDEBCOU= (or XIDEBCOU) NJDEBCOU= (or XJDEBCOU) NLANGLE= NLMAX= LDEFCV2IND=T NIDEBCV= NJDEBCV= NIFINCV= NJFINCV= LDEFCV2=T XIDEBCV= XJDEBCV= XIFINCV= XJFINCV= LDEFCV2LL=T XIDEBCVLL= lat1 XJDEBCVLL= lon1 XIFINCVLL= lat2 XJFINCVLL= lon2 vertical bounds XHMIN= XHMAX= or LPRESY=T XPMIN= XPMAX= XPINT= LTRACECV=T (trace of the vertical section in a horizontal plan) LCVZOOM=T (computation of isolines for the displayed zoom) wind plotting ULM (ULT) tangential component VTM (VTT) transversal component ULMWM (ULTWT) vectors p.70 p.70 horizontal wind : MUMVM, UMVM, DIRUMVM 2.3.4 Vertical profile (p.73) _PV_ defined by a vertical section and the localisation of the profile: PROFILE= p.79 p.79 _PVT_ temporal evolution of a profile with isolines p.81 p.81 _PVKT_ temporal evolution of a profile with individual levels p.82 p.82 2.3.5 Radio-sounding (p.87) _RS__T_time1 or _RS1__T_time1 definition: NIRS= NJRS= or XIRS= XJRS= p.90 p.90

6. 2.3.6 Operations on fields (p.93) Sum with a constant value, ex: THM(-273.15)_PR_850 Multiplication by a constant value, ex: PABSM(*1e-2)_Z_500 Multiplication (or division) of a field by another one *expr1= ( or /expr1=) 2.4 Presentation parameters of an image Gestion of the plotting window (p.96) Gestion of the axis vertical bounds: according the type of plot number of graduation of the axis (p.97) format of the labels (p.98) Gestion of the titles (p.99) Gestion of the isolines (p.101) NIMNMX= Gestion of the arrays (p.116) NISKIP= XVRL= Gestion of the color (p.120) p.118 p.118 LCOLINE=T LCOLAREA=T Do not forget the documentation in html format on the web site: http://www.aero.obs-mip.fr/mesonh/index2.html Section ``Books and guides’’

7. Example of directives file

8. Horizontal section

9. Wind vectors in a horizontal section

10. Horizontal profile

11. Vertical section

12. Wind vectors in a vertical section

13. Vertical profile

14. Temporal evolution of a vertical profile (isolines)

15. Temporal evolution of a vertical profile (individual levels)

16. Radio-sounding