The third convergence zone was a good hundred miles off.

He has to be way out there, skipper, like the third convergence zone.

The boundaries where two air masses meet are known as convergence zones.

Turtles spend most of their first five years in convergence zones within the open ocean.

The tropical convergence zone was clear against the blue.

"Do we have a convergence zone that would allow us to hear something from another submarine op area?"

Areas of clouds and rainfall appeared to be focused along this convergence zone.

Most of the provinces lie within, or very near the Antarctic convergence zone.

Four of the five storms developed from the intertropical convergence zone.

Areas of clouds and rainfall appeared to be focused along these convergence zones.