lat:long_name = "latitude" ;
		lon:long_name = "longitude" ;
		area:long_name = "gll grid areas" ;
		lev:long_name = "hybrid level at midpoints (1000*(A+B))" ;
		hyam:long_name = "hybrid A coefficient at layer midpoints" ;
		hybm:long_name = "hybrid B coefficient at layer midpoints" ;
		ilev:long_name = "hybrid level at interfaces (1000*(A+B))" ;
		hyai:long_name = "hybrid A coefficient at layer interfaces" ;
		hybi:long_name = "hybrid B coefficient at layer interfaces" ;
		time:long_name = "time" ;
		date:long_name = "current date (YYYYMMDD)" ;
		datesec:long_name = "current seconds of current date" ;
		time_bnds:long_name = "time interval endpoints" ;
		ndbase:long_name = "base day" ;
		nsbase:long_name = "seconds of base day" ;
		nbdate:long_name = "base date (YYYYMMDD)" ;
		nbsec:long_name = "seconds of base date" ;
		mdt:long_name = "timestep" ;
		ndcur:long_name = "current day (from base day)" ;
		nscur:long_name = "current seconds of current day" ;
		co2vmr:long_name = "co2 volume mixing ratio" ;
		ch4vmr:long_name = "ch4 volume mixing ratio" ;
		n2ovmr:long_name = "n2o volume mixing ratio" ;
		f11vmr:long_name = "f11 volume mixing ratio" ;
		f12vmr:long_name = "f12 volume mixing ratio" ;
		sol_tsi:long_name = "total solar irradiance" ;
		nsteph:long_name = "current timestep" ;
		CAPE:long_name = "Convectively available potential energy" ;
		CIN:long_name = "Convective inhibition" ;
		CLDTOP:long_name = "Vertical index of cloud top" ;
		CO_SRF:long_name = "CO in bottom layer" ;
		NO2_SRF:long_name = "NO2 in bottom layer" ;
		NO_SRF:long_name = "NO in bottom layer" ;
		O3_SRF:long_name = "O3 in bottom layer" ;
		PBLH:long_name = "PBL height" ;
		PM25_SRF:long_name = "surface PM2.5 concentration" ;
		PRECC:long_name = "Convective precipitation rate (liq + ice)" ;
		PRECL:long_name = "Large-scale (stable) precipitation rate (liq + ice)" ;
		TS:long_name = "Surface temperature (radiative)" ;