Long wave radiation
https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_table4-2-0-5.shtml
NLWRS
Net Long-Wave Radiation Flux (Surface)*
W m-2
NLWRT
Net Long-Wave Radiation Flux (Top of Atmosphere)*
W m-2
LWAVR
Long-Wave Radiation Flux*
W m-2
DLWRF
Downward Long-Wave Rad. Flux
W m-2
ULWRF
Upward Long-Wave Rad. Flux
W m-2
NLWRF
Net Long-Wave Radiation Flux
W m-2
NLWRCS
Net Long-Wave Radiation Flux, Clear Sky
W m-2
BRTEMP
Brightness Temperature
K
DLWRFCS
Downward Long-Wave Radiation Flux, Clear Sky
W m-2
DLWRF
Downward Long-Wave Rad. Flux
W m-2
ULWRF
Upward Long-Wave Rad. Flux
W m-2
LWHR
Long-Wave Radiative Heating Rate
K s-1
CSULF
Clear Sky Upward Long Wave Flux
W m-2
CSDLF
Clear Sky Downward Long Wave Flux
W m-2
CFNLF
Cloud Forcing Net Long Wave Flux
W m-2