Figure 3-7.-Illustration of secondary cyclone development over the eastern Pacific.
retarded portion of the cold front, the original warm
development, the new secondary wave cyclone is
front associated with the primary cyclone tends to wash
rapidly moving, but with no appreciable deepening as it
out, or become masked in the more or less parallel flow
moves along the front and few, if any, indications of
between the returning cold air from the high to the east
occluding (fig. 3-7, step 2). As this new low moves
and the original warm feeding current. In this stage of
eastward along the front, the pressure gradients
3-9
