Add to the "Variables" tables



attributes

name

dimensionsstandard_namelong_name

unitscoordinatescell_methodsglobal attributesComments

prw


leadtime,lat,lonatmosphere_mass_content_of_water_vapor

"Water Vapor Path"

kg m-2"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF:
recommended

"frequency":"6hr"(*)
"level_type": "surface"
"modeling_realm":"atmos"

GRIB: TCWV 137

cllvi 

N/A in CMIP
leadtime,lat,lonatmosphere_mass_content_of_cloud_liquid_water"Liquid Water Path

N/A in CMIP
kg m-2"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF:
recommended
"frequency":"6hr"(*)
"level_type": "surface"
"modeling_realm":"atmos"
GRIB: TCLW 78

In CMIP there is clwvi (but that is the sum of liquid+ice)
clivileadtime,lat,lonatmosphere_mass_content_of_cloud_ice"Ice Water Path"kg m-2"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF:
recommended
"frequency":"6hr"(*)
"level_type": "surface"
"modeling_realm":"atmos"
GRIB: TCIW 79

(*) In the initial proposal to introduce these varibles they were requested with values every 24-h. If the variables are provided with that temporal frequency, global attribute "frequency":"day"  is also acceptable.