The composition, size, and number concentration of particles varies dramatically in stratiform and convective regions.
2.
In particular, they noted that rimed particles were found near convective regions, small spheres were found in regions of " transient convection ", and at low temperatures cirrus crystals formed.
3.
The development of the SAMS during spring is characterised by a rapid southward shift of the convective region from northwestern South America to the highland region of the central Andes and to the southern Amazon basin.