SUMMARY OF 88-D DATA LEVEL TYPES:

SUMMARY OF 88-D DATA LEVEL TYPES:

DATA LEVEL	DESCRIPTION
LEVEL I	analog signals from the receiver, we are not interested in this stuff. Level I data is generated by the RDA
LEVEL II	Level II data are the digital radial base data (Reflectivity, Mean Radial Velocity, and Spectrum Width) and Dual Polarization variables (Differential Reflectivity, Correlation Coefficient, and Differential Phase) output from the signal processor in the Radar Data Acquisition unit. (from: http://www.roc.noaa.gov/WSR88D/Level_II/Level2Info.aspx)
LEVEL III	Level III data are the output product data of the Radar Product Generator. The products assist forecasters and others in weather analysis, forecasts, warnings and weather tracking. They are derived products from the Level II data.(from: http://www.roc.noaa.gov/WSR88D/Level_III/Level3Info.aspx)
LEVEL IV	base products- those products recorded on the PUP as selected by the operator