TEEEJ is a master at producing images of ac in and around the 'Mach Loop' and his links give accurate data.
As stated above there are numerous areas that offer fantastic vantage points for observing Low Flying in LFA7.
I think the term you are seeking for the 'fluff and ribbons' of vapour on the surface of the ac is the 'Prandtl-Glauert Singularity' effect which is a feature of variance in air pressure..
HTH
R&G