Table4.2.0.16 https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_table4-2-0-16.shtml REFZR Equivalent radar reflectivity factor for rain m m6 m-3 REFZI Equivalent radar reflectivity factor for snow m m6 m-3 REFZC Equivalent radar reflectivity factor for parameterized convection m m6 m-3 RETOP Echo Top (See Note 1) m REFD Reflectivity dB REFC Composite reflectivity dB REFZR Equivalent radar reflectivity factor for rain m m6 m-3 REFZI Equivalent radar reflectivity factor for snow m m6 m-3 REFZC Equivalent radar reflectivity factor for parameterized convection m m6 m-3 REFD Reflectivity dB REFC Composite reflectivity dB RETOP Echo Top (See Note 1) m MAXREF Hourly Maximum of Simulated Reflectivity at 1 km AGL dB