Deflection of a parcel aloft, cont

• Notice that:

  • the parcel is now moving from west to east (westerly), not south to north (southerly)

  • the PGF is equal and opposite to the CF

QUESTION FOR THOUGHT:

1.  In the southern hemisphere, in what direction do the upper-level winds move? Demonstrate your answer with the aid of a diagram by indicating the directions of the relevant forces involved.