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Re: sorry but ...



On Fri, 16 Dec 2005, DEROGNAT, Claude wrote:

> Dear Rob,
>
> Now, I read 'WX' ('Weather phenomenality direction')
> but UNITS ('wind speed units') is still empty (for me).
> I can read the attribution which is agree with the
> values written in the metar.cdl file but not the values.
> same result for 'horizontal visibility direction' and ...

Claude,

not all fields have values, use the ncdump utility in ./bin to dump
the file to see the values.

% ncdump ncFile

there's a man page at ./man  in the netCDF distribution for more
information.

robb...


>
> thank you.
>
> Claude
>
> -----Message d'origine-----
> De : Robb Kambic [mailto:address@hidden]
> Envoyé : jeudi 15 décembre 2005 20:49
> À : DEROGNAT, Claude
> Objet : metar.cdl
>
>
> netcdf metar  {                               // metar netCDF definition
>
> dimensions:
>       recNum = UNLIMITED ;
>       r_len = 128;
>       rep_type_len = 5;
>       stn_name_len = 4;
>       UNITS_len = 3;
>       VIS_len = 5;
>       VIS_dir_len = 2;
>       rv_len = 4;
>       rv_d_len = 3;
>       WX_number = 3;
>       WX_len = 32;
>       rWX_len = 8;
>       TornadicType_len = 15;
>       TornadicDIR_len = 2;
>       TornadicLOC_len = 10;
>       auto_len = 4;
>       Site2_len = 10;
>       Obscur_len = 12;
>       Vrb_len = 3;
>       Aloft_len = 3;
>       Sgn_len = 10;
>       cloud_layers = 6;
>       cloud_len = 4 ;
>       cloud_type = 1 ;
>       LTG_DIR_len = 2;
>       VIRGA_dir_len = 2;
>
> variables:
>
>       // Report
>       char rep_type( recNum, rep_type_len ) ;
>               rep_type:long_name = "Report type";
>               rep_type:reference = "WMO #306, FM 15-IX & FM 16-IX";
>               rep_type:units = "" ;       // dimensionless
>       char stn_name( recNum, stn_name_len ) ;
>               stn_name:long_name = "Station name";
>               stn_name:reference = "sfmetar-sa.tbl";
>               stn_name:units = "" ;       // dimensionless
>       int wmo_id( recNum ) ;
>               wmo_id:long_name = "Numeric WMO Identifier";
>               wmo_id:_FillValue = -99999;
>               wmo_id:reference = "Air Force station bulletin plus others";
>               wmo_id:units = "" ;       // dimensionless
>       float lat( recNum ) ;
>               lat:long_name = "Station latitude";
>               lat:_FillValue = -99999.f;
>               lat:valid_range = -90.0, 90.0;
>               lat:units = "degrees";
>       float lon( recNum ) ;
>               lon:long_name = "Station longitude";
>               lon:_FillValue = -99999.f;
>               lon:valid_range = -180.0, 180.0;
>               lon:units = "degrees";
>       int elev( recNum ) ;
>               elev:long_name = "Station elevation";
>               elev:_FillValue = -99999;
>               elev:units = "meters";
>       //int ob_hour( recNum ) ;
>               //ob_hour:long_name = "Observation hour";
>               //ob_hour:_FillValue = -99999;
>               //ob_hour:units = "" ;       // dimensionless
>       //int ob_min( recNum ) ;
>               //ob_min:long_name = "Observation minute";
>               //ob_min:_FillValue = -99999;
>               //ob_min:units = "" ;       // dimensionless
>       //int ob_day( recNum ) ;
>               //ob_day:long_name = "Observation day";
>               //ob_day:_FillValue = -99999;
>               //ob_day:units = "" ;       // dimensionless
>       int time_obs( recNum ) ;
>               time_obs:long_name = "time of Observation";
>               time_obs:_FillValue = -99999;
>               time_obs:units = "seconds since 1970-01-01 00 UTC";
>       int time_nominal( recNum ) ;
>               time_nominal:long_name = "time nominal";
>               time_nominal:_FillValue = -99999;
>               time_nominal:units = "seconds since 1970-01-01 00 UTC";
>       //int AUTO( recNum ) ;
>               //AUTO:long_name = "Fully automated report";
>               //AUTO:_FillValue = -99999;
>               //AUTO:valid_range = 0, 1;
>               //AUTO:units = "" ;       // dimensionless
>       //WindStruct ;
>       char UNITS( recNum, UNITS_len ) ;
>               UNITS:long_name = "Wind Speed Units";
>               UNITS:reference = "KMH|KT|MPS|MPH";
>               UNITS:units = "" ;       // dimensionless
>       int DIR( recNum ) ;
>               DIR:long_name = "Wind Direction";
>               DIR:_FillValue = -99999;
>               DIR:valid_range = 0, 360;
>               DIR:units = "degrees";
>       int SPD( recNum ) ;
>               SPD:long_name = "Wind Speed";
>               SPD:_FillValue = -99999;
>               SPD:units = "";         //UNITS variable
>       int GUST( recNum ) ;
>               GUST:long_name = "Wind Gust";
>               GUST:_FillValue = -99999;
>               GUST:units = "";                //UNITS variable
>       //int VRB( recNum ) ;
>               //VRB:long_name = "Variable wind direction";
>               //VRB:_FillValue = -99999;
>               //VRB:valid_range = 0, 1;
>               //VRB:units = "" ;       // dimensionless
>       //int DIRmin( recNum ) ;
>               //DIRmin:long_name = "min wind direction";
>               //DIRmin:_FillValue = -99999;
>               //DIRmin:valid_range = 0, 360;
>               //DIRmin:units = "degrees";
>       //int DIRmax( recNum ) ;
>               //DIRmax:long_name = "max wind direction";
>               //DIRmax:_FillValue = -99999;
>               //DIRmax:valid_range = 0, 360;
>               //DIRmax:units = "degrees";
>       float prevail_VIS_SM( recNum ) ;
>               prevail_VIS_SM:long_name = "prevailing visibility";
>               prevail_VIS_SM:_FillValue = -99999.f;
>               prevail_VIS_SM:units = "US_statute_mile";
>       float prevail_VIS_KM( recNum ) ;
>               prevail_VIS_KM:long_name = "prevailing visibility";
>               prevail_VIS_KM:_FillValue = -99999.f;
>               prevail_VIS_KM:units = "kilometers";
>       int plus_VIS_SM( recNum ) ;
>               plus_VIS_SM:long_name = "greater than prevailing
> visibility";
>               plus_VIS_SM:_FillValue = -99999;
>               plus_VIS_SM:valid_range = 0, 1;
>               plus_VIS_SM:units = "US_statute_mile";
>       int plus_VIS_KM( recNum ) ;
>               plus_VIS_KM:long_name = "greater than prevailing
> visibility";
>               plus_VIS_KM:_FillValue = -99999;
>               plus_VIS_KM:valid_range = 0, 1;
>               plus_VIS_KM:units = "kilometers";
>       float prevail_VIS_M( recNum ) ;
>               prevail_VIS_M:long_name = "horizontal visibility";
>               prevail_VIS_M:_FillValue = -99999.f;
>               prevail_VIS_M:units = "meters";
>       char VIS_dir( recNum, VIS_dir_len ) ;
>               VIS_dir:long_name = "horizontal visibility direction";
>               VIS_dir:reference = "NE|NW|SE|SW|N|S|E|W";
>               VIS_dir:units = "" ;       // dimensionless
>       int CAVOK( recNum ) ;
>               CAVOK:long_name = "Ceiling And Visibility OK";
>               CAVOK:_FillValue = -99999;
>               CAVOK:valid_range = 0, 1;
>               CAVOK:units = "" ;       // dimensionless
>       //Runway_VisRange ;
>       //int RVRNO( recNum ) ;
>               //RVRNO:long_name = "No runway report";
>               //RVRNO:_FillValue = -99999;
>               //RVRNO:valid_range = 0, 1;
>               //RVRNO:units = "" ;       // dimensionless
>       //char RV_designator(  recNum, rv_len, rv_d_len ) ;
>               //RV_designator:long_name = "Runway designator";
>               //RV_designator:reference = "2 digit plus Right, Left,
> Center";
>               //RV_designator:units = "" ;       // dimensionless
>       //int RV_above_max(  recNum, rv_len ) ;
>               //RV_above_max:long_name = "Runway visibillity is above
> max";
>               //RV_above_max:_FillValue = -99999;
>               //RV_above_max:valid_range = 0, 1;
>               //RV_above_max:units = "P";
>       //int RV_below_min(  recNum, rv_len ) ;
>               //RV_below_min:long_name = "Runway visibillity is below
> min";
>               //RV_below_min:_FillValue = -99999;
>               //RV_below_min:valid_range = 0, 1;
>               //RV_below_min:units = "";
>       //int RV_vrbl(  recNum, rv_len ) ;
>               //RV_vrbl:long_name = "Runway visibillity is variable";
>               //RV_vrbl:_FillValue = -99999;
>               //RV_vrbl:valid_range =  0, 1;
>               //RV_vrbl:units = "" ;       // dimensionless
>       //int RV_min(  recNum, rv_len ) ;
>               //RV_min:long_name = "Runway visibillity min";
>               //RV_min:_FillValue = -99999;
>               //RV_min:units = "meters";
>       //int RV_max(  recNum, rv_len ) ;
>               //RV_max:long_name = "Runway visibillity max";
>               //RV_max:_FillValue = -99999;
>               //RV_max:units = "meters";
>       //int RV_visRange(  recNum, rv_len ) ;
>               //RV_visRange:long_name = "Runway Visibility Range";
>               //RV_visRange:_FillValue = -99999;
>               //RV_visRange:units = "meters";
>       char WX( recNum, WX_len ) ;
>               WX:long_name = "Weather phenomena";
>               WX:reference = "WMO #306, code table 4658";
>               WX:units = "" ;       // dimensionless
>       //int vert_VIS( recNum ) ;
>               //vert_VIS:long_name = "Vertical visibility";
>               //vert_VIS:_FillValue = -99999;
>               //vert_VIS:units = "meters";
>       //Cloud_Conditions ;
>       char cloud_type( recNum, cloud_layers, cloud_len ) ;
>               cloud_type:long_name = "cloud type";
>               cloud_type:reference = "CLR|SKC or +- OVC|SCT|FEW|BKN";
>               cloud_type:units = "" ;       // dimensionless
>       int cloud_hgt( recNum, cloud_layers ) ;
>               cloud_hgt:long_name = "cloud height";
>               cloud_hgt:_FillValue = -99999;
>               cloud_hgt:units = "feet";
>       int cloud_meters( recNum, cloud_layers ) ;
>               cloud_meters:long_name = "cloud height in meters";
>               cloud_meters:_FillValue = -99999;
>               cloud_meters:units = "meters";
>       char cloud_phenom( recNum, cloud_layers, cloud_len ) ;
>               cloud_phenom:long_name = "cloud phenomena";
>               cloud_phenom:reference = "CB|TCU";
>               cloud_phenom:units = "" ;       // dimensionless
>       //int T( recNum ) ;
>               //T:long_name = "Temperature";
>               //T:_FillValue = -99999;
>               //T:units = "Celsius";
>       //int TD( recNum ) ;
>               //TD:long_name = "Dew-point temperature";
>               //TD:_FillValue = -99999;
>               //TD:units = "Celsius";
>       float hectoPasc_ALTIM( recNum ) ;
>               hectoPasc_ALTIM:long_name = "Altimeter setting";
>               hectoPasc_ALTIM:_FillValue = -99999.f;
>               hectoPasc_ALTIM:units = "hectopascals";
>       float inches_ALTIM( recNum ) ;
>               inches_ALTIM:long_name = "Altimeter setting";
>               inches_ALTIM:_FillValue = -99999.f;
>               inches_ALTIM:units = "inches";
>       //int NOSIG( recNum ) ;
>               //NOSIG:long_name = "No significant change";
>               //NOSIG:_FillValue = -99999;
>               //NOSIG:valid_range = 0, 1;
>               //NOSIG:units = "" ;       // dimensionless
>
>       // Remarks
>       //char TornadicType( recNum, TornadicType_len ) ;
>               //TornadicType:long_name = "Tornadic type";
>               //TornadicType:reference = "TORNADO|WATERSPOUTS|FUNNEL
> CLOUDS";
>               //TornadicType:units = "" ;       // dimensionless
>       //char TornadicLOC( recNum, TornadicLOC_len ) ;
>               //TornadicLOC:long_name = "Tornadic location";
>               //TornadicLOC:reference = "DSNT|VCY STN|VC STN|VCY|VC";
>               //TornadicLOC:units = "" ;       // dimensionless
>       //char TornadicDIR( recNum, TornadicDIR_len ) ;
>               //TornadicDIR:long_name = "Tornadic direction";
>               //TornadicDIR:reference = "NE|NW|SE|SW|N|S|E|W";
>               //TornadicDIR:units = "" ;       // dimensionless
>       //int BTornadic_hh( recNum ) ;
>               //BTornadic_hh:long_name = "Beginning Hour Tornadic";
>               //BTornadic_hh:_FillValue = -99999;
>               //BTornadic_hh:units = "" ;       // dimensionless
>       //int BTornadic_mm( recNum ) ;
>               //BTornadic_mm:long_name = "Beginning Minute Tornadic";
>               //BTornadic_mm:_FillValue = -99999;
>               //BTornadic_mm:units = "" ;       // dimensionless
>       //int ETornadic_hh( recNum ) ;
>               //ETornadic_hh:long_name = "Ending Hour Tornadic";
>               //ETornadic_hh:_FillValue = -99999;
>               //ETornadic_hh:units = "" ;       // dimensionless
>       //int ETornadic_mm( recNum ) ;
>               //ETornadic_mm:long_name = "Ending Minute Tornadic";
>               //ETornadic_mm:_FillValue = -99999;
>               //ETornadic_mm:units = "" ;       // dimensionless
>       //char AUTOindicator( recNum, auto_len ) ;
>               //AUTOindicator:long_name = "Type of automated station";
>               //AUTOindicator:reference = "AO1|AO1A|AO2|AO2A|AOA";
>               //AUTOindicator:units = "" ;       // dimensionless
>       //int PKWND_dir( recNum ) ;
>               //PKWND_dir:long_name = "Peak wind direction";
>               //PKWND_dir:_FillValue = -99999;
>               //PKWND_dir:valid_range = 0, 360;
>               //PKWND_dir:units = "degrees";
>       //int PKWND_spd( recNum ) ;
>               //PKWND_spd:long_name = "Peak wind speed";
>               //PKWND_spd:_FillValue = -99999;
>               //PKWND_spd:units = "knots";
>       //int PKWND_hh( recNum ) ;
>               //PKWND_hh:long_name = "Hour of Peak wind";
>               //PKWND_hh:_FillValue = -99999;
>               //PKWND_hh:units = "" ;       // dimensionless
>       //int PKWND_mm( recNum ) ;
>               //PKWND_mm:long_name = "Minute of Peak wind";
>               //PKWND_mm:_FillValue = -99999;
>               //PKWND_mm:units = "" ;       // dimensionless
>       //int WshfTime_hh( recNum ) ;
>               //WshfTime_hh:long_name = "Hour of Wind shift";
>               //WshfTime_hh:_FillValue = -99999;
>               //WshfTime_hh:units = "" ;       // dimensionless
>       //int WshfTime_mm( recNum ) ;
>               //WshfTime_mm:long_name = "Minute of Wind shift";
>               //WshfTime_mm:_FillValue = -99999;
>               //WshfTime_mm:units = "" ;       // dimensionless
>       //int Wshft_FROPA( recNum ) ;
>               //Wshft_FROPA:long_name = "Wind shift frontal passage";
>               //Wshft_FROPA:_FillValue = -99999;
>               //Wshft_FROPA:valid_range = 0, 1;
>               //Wshft_FROPA:units = "" ;       // dimensionless
>       //float VIS_TWR( recNum ) ;
>               //VIS_TWR:long_name = "Tower visibility";
>               //VIS_TWR:_FillValue = -99999.f;
>               //VIS_TWR:units = "US_statute_mile";
>       //float VIS_SFC( recNum ) ;
>               //VIS_SFC:long_name = "Surface visibility";
>               //VIS_SFC:_FillValue = -99999.f;
>               //VIS_SFC:units = "US_statute_mile";
>       //float VISmin( recNum ) ;
>               //VISmin:long_name = "min Visibility";
>               //VISmin:_FillValue = -99999.f;
>               //VISmin:units = "US_statute_mile";
>       //float VISmax( recNum ) ;
>               //VISmax:long_name = "max Visibility";
>               //VISmax:_FillValue = -99999.f;
>               //VISmax:units = "US_statute_mile";
>       //float VIS_2ndSite( recNum ) ;
>               //VIS_2ndSite:long_name = "Visibility at 2nd Site";
>               //VIS_2ndSite:_FillValue = -99999.f;
>               //VIS_2ndSite:units = "US_statute_mile";
>       //char VIS_2ndSite_LOC( recNum, Site2_len ) ;
>               //VIS_2ndSite_LOC:long_name = "2nd Site location";
>               //VIS_2ndSite_LOC:reference = "2 digit runway";
>               //VIS_2ndSite:units = "" ;       // dimensionless
>       //int LTG_OCNL( recNum ) ;
>               //LTG_OCNL:long_name = "Occasional lightning";
>               //LTG_OCNL:_FillValue = -99999;
>               //LTG_OCNL:valid_range = 0, 1;
>               //LTG_OCNL:units = "" ;       // dimensionless
>       //int LTG_FRQ( recNum ) ;
>               //LTG_FRQ:long_name = "Frequent lightning";
>               //LTG_FRQ:_FillValue = -99999;
>               //LTG_FRQ:valid_range = 0, 1;
>               //LTG_FRQ:units = "" ;       // dimensionless
>       //int LTG_CNS( recNum ) ;
>               //LTG_CNS:long_name = "Continuous lightning";
>               //LTG_CNS:_FillValue = -99999;
>               //LTG_CNS:valid_range = 0, 1;
>               //LTG_CNS:units = "" ;       // dimensionless
>       //int LTG_CG( recNum ) ;
>               //LTG_CG:long_name = "Cloud-ground lightning";
>               //LTG_CG:_FillValue = -99999;
>               //LTG_CG:valid_range = 0, 1;
>               //LTG_CG:units = "" ;       // dimensionless
>       //int LTG_IC( recNum ) ;
>               //LTG_IC:long_name = "In-cloud lightning";
>               //LTG_IC:_FillValue = -99999;
>               //LTG_IC:valid_range = 0, 1;
>       //int LTG_CC( recNum ) ;
>               //LTG_CC:long_name = "Cloud-cloud lightning";
>               //LTG_CC:_FillValue = -99999;
>               //LTG_CC:valid_range = 0, 1;
>               //LTG_CC:units = "" ;       // dimensionless
>       //int LTG_CA( recNum ) ;
>               //LTG_CA:long_name = "Cloud-air lightning";
>               //LTG_CA:_FillValue = -99999;
>               //LTG_CA:valid_range = 0, 1;
>               //LTG_CA:units = "" ;       // dimensionless
>       //int LTG_DSNT( recNum ) ;
>               //LTG_DSNT:long_name = "Distant lightning, beyond 30 SM";
>               //LTG_DSNT:_FillValue = -99999;
>               //LTG_DSNT:valid_range = 0, 1;
>               //LTG_DSNT:units = "" ;       // dimensionless
>       //int LTG_AP( recNum ) ;
>               //LTG_AP:long_name = "Lightning at airport";
>               //LTG_AP:_FillValue = -99999;
>               //LTG_AP:valid_range = 0, 1;
>               //LTG_AP:units = "" ;       // dimensionless
>       //int LTG_VcyStn( recNum ) ;
>               //LTG_VcyStn:long_name = "Lightning in vicinity, less than 5
> SM";
>               //LTG_VcyStn:_FillValue = -99999;
>               //LTG_VcyStn:valid_range = 0, 1;
>               //LTG_VcyStn:units = "" ;       // dimensionless
>       //char LTG_DIR( recNum, LTG_DIR_len ) ;
>               //LTG_DIR:long_name = "Lightning direction";
>               //LTG_DIR:reference = "NE|NW|SE|SW|N|S|E|W";
>               //LTG_DIR:units = "" ;       // dimensionless
>
>       //Recent_WX ReWX[3];
>       //char Recent_WX( recNum, WX_number, rWX_len ) ;
>               //Recent_WX:long_name = "Recent weather";
>               //Recent_WX:reference = "WMO #306, code table 4658";
>               //Recent_WX:units = "" ;       // dimensionless
>       //int Recent_WX_Bhh( recNum, WX_number ) ;
>               //Recent_WX_Bhh:long_name = "Recent weather beginning hour";
>               //Recent_WX_Bhh:_FillValue = -99999;
>               //Recent_WX_Bhh:units = "" ;       // dimensionless
>       //int Recent_WX_Bmm( recNum, WX_number ) ;
>               //Recent_WX_Bmm:long_name = "Recent weather beginning
> minute";
>               //Recent_WX_Bmm:_FillValue = -99999;
>               //Recent_WX_Bmm:units = "" ;       // dimensionless
>       //int Recent_WX_Ehh( recNum, WX_number ) ;
>               //Recent_WX_Ehh:long_name = "Recent weather ending hour";
>               //Recent_WX_Ehh:_FillValue = -99999;
>               //Recent_WX_Ehh:units = "" ;       // dimensionless
>       //int Recent_WX_Emm( recNum, WX_number ) ;
>               //Recent_WX_Emm:long_name = "Recent weather ending minute";
>               //Recent_WX_Emm:_FillValue = -99999;
>               //Recent_WX_Emm:units = "" ;       // dimensionless
>
>       //int Ceiling_min( recNum ) ;
>               //Ceiling_min:long_name = "Ceiling min";
>               //Ceiling_min:_FillValue = -99999;
>               //Ceiling_min:units = "feet";
>       //int Ceiling_max( recNum ) ;
>               //Ceiling_max:long_name = "Ceiling max";
>               //Ceiling_max:_FillValue = -99999;
>               //Ceiling_max:units = "feet";
>
>       //int CIG_2ndSite_meters( recNum ) ;
>               //CIG_2ndSite_meters:long_name = "Sky condition at 2nd
> Site";
>               //CIG_2ndSite_meters:_FillValue = -99999;
>               //CIG_2ndSite_meters:units = "meters";
>       //int CIG_2ndSite_LOC( recNum ) ;
>               //CIG_2ndSite_LOC:long_name = "2nd Site location, runway";
>               //CIG_2ndSite_LOC:_FillValue = -99999;
>               //CIG_2ndSite_LOC:reference = "2 digit runway";
>               //CIG_2ndSite_LOC:units = "" ;       // dimensionless
>       //int PRESFR( recNum ) ;
>               //PRESFR:long_name = "Pressure falling rapidly";
>               //PRESFR:_FillValue = -99999;
>               //PRESFR:valid_range = 0, 1;
>               //PRESFR:units = "" ;       // dimensionless
>       //int PRESRR( recNum ) ;
>               //PRESRR:long_name = "Pressure rising rapidly";
>               //PRESRR:_FillValue = -99999;
>               //PRESRR:valid_range = 0, 1;
>               //PRESRR:units = "" ;       // dimensionless
>       //int SLPNO( recNum ) ;
>               //SLPNO:long_name = "Sea level pressure not available";
>               //SLPNO:_FillValue = -99999;
>               //SLPNO:valid_range = 0, 1;
>               //SLPNO:units = "" ;       // dimensionless
>       float SLP( recNum ) ;
>               SLP:long_name = "Sea level pressure";
>               SLP:_FillValue = -99999.f;
>               SLP:units = "hectopascals";
>       //char SectorVIS_DIR( recNum, VIS_dir_len ) ;
>               //SectorVIS_DIR:long_name = "Sector visibility direction";
>               //SectorVIS_DIR:reference = "NE|NW|SE|SW|N|S|E|W";
>               //SectorVIS_DIR:units = "" ;       // dimensionless
>       //float SectorVIS( recNum ) ;
>               //SectorVIS:long_name = "Sector visibility";
>               //SectorVIS:_FillValue = -99999.f;
>               //SectorVIS:units = "US_statute_mile";
>       //int GR( recNum ) ;
>               //GR:long_name = "Hailstone";
>               //GR:_FillValue = -99999;
>               //GR:valid_range = 0, 1;
>               //GR:units = "" ;       // dimensionless
>       //float GRsize( recNum ) ;
>               //GRsize:long_name = "Hailstone size";
>               //GRsize:_FillValue = -99999.f;
>               //GRsize:units = "inches";
>       //int VIRGA( recNum ) ;
>               //VIRGA:long_name = "Virga";
>               //VIRGA:_FillValue = -99999;
>               //VIRGA:valid_range = 0, 1;
>               //VIRGA:units = "" ;       // dimensionless
>       //char VIRGAdir( recNum, VIS_dir_len ) ;
>               //VIRGAdir:long_name = "Virga direction";
>               //VIRGAdir:reference = "NE|NW|SE|SW|N|S|E|W";
>               //VIRGAdir:units = "" ;       // dimensionless
>       char SfcObscuration( recNum, rWX_len ) ;
>               SfcObscuration:long_name = "Surface Obscuration";
>               SfcObscuration:reference = "WMO #306, code table 4658";
>               SfcObscuration:units = "" ;       // dimensionless
>       int OctsSkyObscured( recNum ) ;
>               OctsSkyObscured:long_name = "Octets of Sky Obscured";
>               OctsSkyObscured:_FillValue = -99999;
>               OctsSkyObscured:reference = "8 bit octets";
>               OctsSkyObscured:units = "" ;       // dimensionless
>       //int CIGNO( recNum ) ;
>               //CIGNO:long_name = "Ceiling height not available";
>               //CIGNO:_FillValue = -99999;
>               //CIGNO:valid_range = 0, 1;
>               //CIGNO:units = "" ;       // dimensionless
>       int Ceiling_est( recNum ) ;
>               Ceiling_est:long_name = "Ceiling height estimate";
>               Ceiling_est:_FillValue = -99999;
>               Ceiling_est:units = "feet";
>       int Ceiling( recNum ) ;
>               Ceiling:long_name = "Ceiling height";
>               Ceiling:_FillValue = -99999;
>               Ceiling:units = "feet";
>       //char VrbSkyBelow( recNum, Vrb_len ) ;
>               //VrbSkyBelow:long_name = "Variable Sky Below";
>               //VrbSkyBelow:reference = "FEW|SCT|BKN|OVC";
>               //VrbSkyBelow:units = "" ;       // dimensionless
>       //int VrbSkyLayerHgt( recNum ) ;
>               //VrbSkyLayerHgt:long_name = "Variable Sky Layer Height";
>               //VrbSkyLayerHgt:_FillValue = -99999;
>               //VrbSkyLayerHgt:units = "feet";
>       //char VrbSkyAbove( recNum, Vrb_len ) ;
>               //VrbSkyAbove:long_name = "Variable Sky Above";
>               //VrbSkyAbove:reference = "FEW|SCT|BKN|OVC";
>               //VrbSkyAbove:units = "" ;       // dimensionless
>       //char Sign_cloud( recNum, Sgn_len ) ;
>               //Sign_cloud:long_name = "Significant cloud types";
>               //Sign_cloud:reference = "CB|CBMAM|TCU|ACC|SCSL|ACSL|ROTOR
> CLD";
>               //Sign_cloud:units = "" ;       // dimensionless
>       //char Sign_dist( recNum, Sgn_len ) ;
>               //Sign_dist:long_name = "Significant distance";
>               //Sign_dist:reference = "VCNTY STN|VCY STN|VC
> STN|VCY|VC|DSNT|OMT";
>               //Sign_dist:units = "" ;       // dimensionless
>       //char Sign_dir( recNum, Sgn_len ) ;
>               //Sign_dir:long_name = "Significant direction";
>               //Sign_dir:reference = "NE|NW|SE|SW|N|S|E|W";
>               //Sign_dir:units = "" ;       // dimensionless
>       //char ObscurAloft( recNum, rWX_len ) ;
>               //ObscurAloft:long_name = "Obscuring phenomena Aloft";
>               //ObscurAloft:reference = "WMO #306, code table 4658";
>               //ObscurAloft:units = "" ;       // dimensionless
>       char ObscurAloftSkyCond( recNum, Aloft_len ) ;
>               ObscurAloftSkyCond:long_name = "Obscuring Aloft Sky
> Condition";
>               ObscurAloftSkyCond:reference = "FEW|SCT|BKN|OVC";
>               ObscurAloftSkyCond:units = "" ;       // dimensionless
>       int ObscurAloftHgt( recNum ) ;
>               ObscurAloftHgt:long_name = "Obscuring Aloft Height";
>               ObscurAloftHgt:_FillValue = -99999;
>               ObscurAloftHgt:units = "feet";
>       //int ACFTMSHP( recNum ) ;
>               //ACFTMSHP:long_name = "Aircraft mishap";
>               //ACFTMSHP:_FillValue = -99999;
>               //ACFTMSHP:valid_range = 0, 1;
>               //ACFTMSHP:units = "" ;       // dimensionless
>       //int NOSPECI( recNum ) ;
>               //NOSPECI:long_name = "No changes in weather conditions";
>               //NOSPECI:_FillValue = -99999;
>               //NOSPECI:valid_range = 0, 1;
>               //NOSPECI:units = "" ;       // dimensionless
>       //int FIRST( recNum ) ;
>               //FIRST:long_name = "First report of the day";
>               //FIRST:_FillValue = -99999;
>               //FIRST:valid_range = 0, 1;
>               //FIRST:units = "" ;       // dimensionless
>       //int LAST( recNum ) ;
>               //LAST:long_name = "Last report in observation coverage";
>               //LAST:_FillValue = -99999;
>               //LAST:valid_range = 0, 1;
>               //LAST:units = "" ;       // dimensionless
>       char Cloud_low( recNum, cloud_type ) ;
>               Cloud_low:long_name = "Low Cloud type";
>               Cloud_low:reference = "WMO Abridged Internation Cloud
> Atlas";
>               Cloud_low:units = "" ;       // dimensionless
>       char Cloud_medium( recNum, cloud_type ) ;
>               Cloud_medium:long_name = "Medium Cloud type";
>               Cloud_medium:reference = "WMO Abridged Internation Cloud
> Atlas";
>               Cloud_medium:units = "" ;       // dimensionless
>       char Cloud_high( recNum, cloud_type ) ;
>               Cloud_high:long_name = "High Cloud type";
>               Cloud_high:reference = "WMO Abridged Internation Cloud
> Atlas";
>               Cloud_high:units = "" ;       // dimensionless
>       int SNINCR( recNum ) ;
>               SNINCR:long_name = "Snow increasing rapidly, amount past
> hour";
>               SNINCR:_FillValue = -99999;
>               SNINCR:units = "inches";
>       int SNINCR_TotalDepth( recNum ) ;
>               SNINCR_TotalDepth:long_name = "Snow Total Depth on ground";
>               SNINCR_TotalDepth:_FillValue = -99999;
>               SNINCR_TotalDepth:units = "inches";
>       int SN_depth( recNum ) ;
>               SN_depth:long_name = "Snow depth on ground";
>               SN_depth:_FillValue = -99999;
>               SN_depth:units = "inches";
>       float SN_waterequiv( recNum ) ;
>               SN_waterequiv:long_name = "Water equivalent of snow on
> ground";
>               SN_waterequiv:_FillValue = -99999.f;
>               SN_waterequiv:units = "inches";
>       //int SunSensorOut( recNum ) ;
>               //SunSensorOut:long_name = "Sun Sensor Out";
>               //SunSensorOut:_FillValue = -99999;
>               //SunSensorOut:valid_range = 0, 1;
>               //SunSensorOut:units = "" ;       // dimensionless
>       int SunShineDur( recNum ) ;
>               SunShineDur:long_name = "Sun Shine Duration";
>               SunShineDur:_FillValue = -99999;
>               SunShineDur:units = "minutes";
>       float PRECIP_hourly( recNum ) ;
>               PRECIP_hourly:long_name = "Hourly precipitation amount";
>               PRECIP_hourly:_FillValue = -99999.f;
>               PRECIP_hourly:units = "inches";
>       float PRECIP_amt( recNum ) ;
>               PRECIP_amt:long_name = "Last 3 or 6 hour precipitation
> amount";
>               PRECIP_amt:_FillValue = -99999.f;
>               PRECIP_amt:units = "inches";
>       float PRECIP_24_amt( recNum ) ;
>               PRECIP_24_amt:long_name = "24 hour precipitation amount";
>               PRECIP_24_amt:_FillValue = -99999.f;
>               PRECIP_24_amt:units = "inches";
>       float T_tenths( recNum ) ;
>               T_tenths:long_name = "Temperature to tenths";
>               T_tenths:_FillValue = -99999.f;
>               T_tenths:units = "Celsius";
>       float TD_tenths( recNum ) ;
>               TD_tenths:long_name = "Dew-point temperature to tenths";
>               TD_tenths:_FillValue = -99999.f;
>               TD_tenths:units = "Celsius";
>       float Tmax( recNum ) ;
>               Tmax:long_name = "Temperature max for 6-hourly reports";
>               Tmax:_FillValue = -99999.f;
>               Tmax:units = "Celsius";
>       float Tmin( recNum ) ;
>               Tmin:long_name = "Temperature min for 6-hourly reports";
>               Tmin:_FillValue = -99999.f;
>               Tmin:units = "Celsius";
>       float Tmax24( recNum ) ;
>               Tmax24:long_name = "Temperature max for 24 period at
> midnight";
>               Tmax24:_FillValue = -99999.f;
>               Tmax24:units = "Celsius";
>       float Tmin24( recNum ) ;
>               Tmin24:long_name = "Temperature min for 24 period at
> midnight";
>               Tmin24:_FillValue = -99999.f;
>               Tmin24:units = "Celsius";
>       int char_Ptend( recNum ) ;
>               char_Ptend:long_name = "Character Pressure tendency";
>               char_Ptend:_FillValue = -99999;
>               char_Ptend:reference = "0|1|2|3|4|5|6|7|8 Table 12-5";
>               char_Ptend:valid_range = 0, 8;
>               char_Ptend:units = "" ;       // dimensionless
>       float Ptend( recNum ) ;
>               Ptend:long_name = "Change in Pressure in past 3 hours";
>               Ptend:_FillValue = -99999.f;
>               Ptend:units = "hectopascals";
>       //int PWINO( recNum ) ;
>               //PWINO:long_name = "Precipitation sensor not working";
>               //PWINO:_FillValue = -99999;
>               //PWINO:valid_range = 0, 1;
>               //PWINO:units = "" ;       // dimensionless
>       //int FZRANO( recNum ) ;
>               //FZRANO:long_name = "Freezing Rain sensor not working";
>               //FZRANO:_FillValue = -99999;
>               //FZRANO:valid_range = 0, 1;
>               //FZRANO:units = "" ;       // dimensionless
>       //int TSNO( recNum ) ;
>               //TSNO:long_name = "Lightning detection system not working";
>               //TSNO:_FillValue = -99999;
>               //TSNO:valid_range = 0, 1;
>               //TSNO:units = "" ;       // dimensionless
>       //int PNO( recNum ) ;
>               //PNO:long_name = "Tipping bucket rain gauge is
> inoperative";
>               //PNO:_FillValue = -99999;
>               //PNO:valid_range = 0, 1;
>               //PNO:units = "" ;       // dimensionless
>       //int maintIndicator( recNum ) ;
>               //maintIndicator:long_name = "Maintenance needed at system";
>               //maintIndicator:_FillValue = -99999;
>               //maintIndicator:valid_range = 0, 1;
>               //maintIndicator:units = "" ;       // dimensionless
>       //char PlainText( recNum, r_len ) ;
>               //PlainText:long_name = "Plain language remarks";
>               //PlainText:_FillValue = "\0";
>               //PlainText:reference = "max length 128";
>               //PlainText:units = "" ;       // dimensionless
>
>       // Original report and remarks
>       char report( recNum, r_len ) ;
>               report:long_name = "Main body of report";
>               report:reference = "max length 128";
>               report:units = "" ;       // dimensionless
>       char remarks( recNum, r_len ) ;
>               remarks:long_name = "Remarks section seperated by RMK";
>               remarks:reference = "max length 128";
>               remarks:units = "" ;       // dimensionless
>
>       :title = "METAR definition";
>       :version = 1.1;
>
> //    In general:
> //
> //    The metar2nc decoder is dependant on the netCDF variables names
> //    because it reads the cdl file to determine the variables to be
> //    included in the netcdf file.  A user can comment out or delete
> //    variables not to be included in the output file with one exception,
> //    the variable 'stn_name' must be included as the first or second
> position
> //    There are 140 variables in the cdl with the last two variables are
> //    the original report and remarks.
> //    The actual names chosen for the netCDF variables are still up to the
> //    data supplier. The agreement amongst this group is that all the
> //    code that reads in the data will NOT be variable name dependent.
> Code
> //    will be written generically using the netCDF inquire functions or
> //    will employ some sort of table look-up algorithm. The names I've
> //    included for illustration purposes were mainly borrowed from the
> //    conventions document to offer somewhat "generic" names for these
> //    fields. Long names are data supplier defined, but should be included
> //    and descriptive for self-documentation purposes.
> //
> //    Units must be compatible with UDUNITS and consistent for a given
> //    variable (ie. all temperatures written out in degrees C, even though
> //    they are reported in C or F). That's why the "units" attribute is
> //    critical for numeric variables that may be used in calculations.
> //
> //    Again, these will be the MINIMUM variables required in files used
> //    for surface observation data exchange. Any data supplier can add
> extra
> //    variables needed to further identify a station and/or its
> observations.
>
> }
>
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.371 / Virus Database: 267.13.13/200 - Release Date: 14/12/2005
>
>
> --
> No virus found in this outgoing message.
> Checked by AVG Free Edition.
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>
>

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================