FSUIPC Turbulence V. FS Turbulence

Hi All,Wondering if someone can explain how the "random turbulence" feature, if checked in FSUIPC, affects or impacts any turbulence that you set within FS2002's own weather settings?Does it add to the turbulence that FS already supplies if you've got, say, "light" set, replace it with its own version, etc.?Thanks for any info.Best,Joel