netcdf sst_clim_hurrell_1x1_020724 {
dimensions:
	lon = 362 ;
	lat = 182 ;
	time = 12 ;
variables:
	float lon(lon) ;
		lon:long_name = "longitude of grid cell center" ;
		lon:units = "degrees east" ;
	float lat(lat) ;
		lat:long_name = "latitude of grid cell center" ;
		lat:units = "degrees north" ;
	float time(time) ;
		time:long_name = "time" ;
		time:units = "days since 0000-01-01 00:00:00" ;
		time:calendar = "noleap" ;
	int date(time) ;
		date:long_name = "calendar date" ;
		date:units = "yyyymmdd" ;
	int datesec(time) ;
		datesec:long_name = "seconds elapsed on calendar date" ;
		datesec:units = "seconds" ;
	float sst(time, lat, lon) ;
		sst:long_name = "sea surface temperature" ;
		sst:units = "degrees C" ;
	float ifrac(time, lat, lon) ;
		ifrac:long_name = "ice fraction" ;
		ifrac:comment = "fraction ranges from 0 to 1" ;

// global attributes:
		:title = "Hurrell SST climatology (Reynolds SST + Hadley anomolies)" ;
		:history = "File created: 2002-07-24 16:16:56" ;
		:Conventions = "CF-1.0" ;
		:source = "/fs/cgd/data0/shea/jhurrell/MODEL.had+oiv2.sst.mnly.49-01.unf.nc  \n",
    "/fs/cgd/data0/shea/jhurrell/MODEL.had+oiv2.ice.mnly.49-01.unf.nc" ;
		:comments = "Jim Hurrell (NCAR) combined the Hadley Center anomalies   \n",
    "with the Reynolds SST climatology to produce SSTs over    \n",
    "the ocean only (2001?). Several tests were run to determine \n",
    "how values over land were to be created.    \n",
    "   /fs/cgd/home0/shea/ncld/jhurrell/sst.ncl       \n",
    "Tests indicated that direct interpolation of the full SST   \n",
    "grids would be satisfactory. Note: values over land   \n",
    "are entirely bogus. In particular, values over Siberia   \n",
    "are particularly unusual. However, values near    \n",
    "coasts are close to those at nearby oceans.   \n",
    " \n",
    "The grids produced for this file were created using   \n",
    "the NCL function cssgrid which interpolates randomly   \n",
    "spaced data on a sphere to a lat/lon grid. The original   \n",
    "grid values were then used to overwrite the interpolated   \n",
    "values over the oceans. The land values are the ONLY   \n",
    "interpolated values on these grids. The NCL script is:   \n",
    "   /fs/cgd/home0/shea/ncld/jhurrell/sstDirect.ncl   \n",
    " \n",
    "/fs/cgd/data0/shea/jhurrell/had+oiv2.sst.mnly.49-01.unf.nc  \n",
    "This nc file was created from the binary source file using: \n",
    "   /fs/cgd/home0/shea/ncld/jhurrell/sstBinary2nc.ncl   \n",
    " ------------------------- \n",
    "Jim Hurrell provided the sea-ice percentages.   \n",
    "Basically, linear interpolation [East-west] was used.   \n",
    "   /fs/cgd/home0/shea/ncld/jhurrell/iceDirect.ncl   \n",
    " \n",
    "/fs/cgd/data0/shea/jhurrell/had+oiv2.ice.mnly.49-01.unf.nc  \n",
    "This nc file was created from the binary source file using: \n",
    "   /fs/cgd/home0/shea/ncld/jhurrell/iceBinary2nc.ncl   \n",
    " ------------------------- \n",
    "Brian Kauffman (NCAR) formed a 12 month climatology and combined \n",
    "the SST and ice fraction data (described above) into one file   \n",
    "appropriate for used by the docn5 & dice5 CCSM2 data models. \n",
    "The data were padded with -0.5 & 360.5 longitude bands \n",
    "plus -90 and +90 latitude bands to facilitate interpolation \n",
    "onto other grids (eg. pop shifted pole, etc.)." ;
}