sorry but ...
Robb Kambic
rkambic at unidata.ucar.edu
Fri Dec 16 08:51:17 MST 2005
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:rkambic at laraine.unidata.ucar.edu]
> 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.
>
> }
>
> --
==============================================================================
Robb Kambic Unidata Program Center
Software Engineer III Univ. Corp for Atmospheric Research
rkambic at unidata.ucar.edu WWW: http://www.unidata.ucar.edu/
==============================================================================
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