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NetCDF Surface File

This type of file is generated by the sacvt and smcvt programs for use with other WXP surface display programs. The netCDF data contains the same information as the WXP ASCII format.

FORMAT

The information is laid out in the file using the following CDL structure:

netcdf 07031197 {
dimensions:
	report = UNLIMITED ; // (1447 currently)
	time_len = 20 ;
	id_len = 12 ;
	layers = 4 ;
	remarks_len = 35 ;

variables:
	char id(report, id_len) ;
		id:long_name = "station id" ;
	char region(report, id_len) ;
		region:long_name = "region id" ;
	char time(report, time_len) ;
		time:long_name = "time" ;
		time:units = "text_time" ;
	float lat(report) ;
		lat:long_name = "latitude" ;
		lat:units = "degrees_N" ;
		lat:_FillValue = -9999.f ;
	float lon(report) ;
		lon:long_name = "longitude" ;
		lon:units = "degrees_E" ;
		lon:_FillValue = -9999.f ;
	float elev(report) ;
		elev:long_name = "elevation" ;
		elev:units = "meters" ;
		elev:_FillValue = -9999.f ;
	float T(report) ;
		T:long_name = "temperature" ;
		T:units = "celsius" ;
		T:_FillValue = -9999.f ;
	float TD(report) ;
		TD:long_name = "dew point" ;
		TD:units = "celsius" ;
		TD:_FillValue = -9999.f ;
	float PSL(report) ;
		PSL:long_name = "sealevel pressure" ;
		PSL:units = "hectopascals" ;
		PSL:_FillValue = -9999.f ;
	float ALTIM(report) ;
		ALTIM:long_name = "altimeter setting" ;
		ALTIM:units = "hectopascals" ;
		ALTIM:_FillValue = -9999.f ;
	float SPD(report) ;
		SPD:long_name = "wind speed" ;
		SPD:units = "meters/second" ;
		SPD:_FillValue = -9999.f ;
	float DIR(report) ;
		DIR:long_name = "wind direction" ;
		DIR:units = "degrees" ;
		DIR:_FillValue = -9999.f ;
	float GUST(report) ;
		GUST:long_name = "wind gusts" ;
		GUST:units = "meters/second" ;
		GUST:_FillValue = -9999.f ;
	byte WX(report, layers) ;
		WX:long_name = "weather" ;
		WX:units = "WMO table 4677" ;
	float ZCL(report, layers) ;
		ZCL:long_name = "cloudbase" ;
		ZCL:units = "meters" ;
		ZCL:_FillValue = -9999.f ;
	char CC(report, layers) ;
		CC:long_name = "cloudcover" ;
		CC:units = "WMO table 2700" ;
	char cloudtype(report, layers) ;
		cloudtype:long_name = "cloudtypes" ;
		cloudtype:units = "WMO tables 0509, 0513, 0515" ;
	float VIS(report) ;
		VIS:long_name = "visibility" ;
		VIS:units = "kilometers" ;
		VIS:_FillValue = -9999.f ;
	char remarks(report, remarks_len) ;

// global attributes:
		:title = "Surface converted data" ;
		:version = "2.0" ;
		:history = "Surface converted file from WXP decoders" ;
		:filetime = "0700Z 11 MAR 97" ;
}

SEE ALSO


For further information about WXP, email technical-support@weather.unisys.com
Last updated by Dan Vietor on August 3, 1998