Complex sentence: It was not until June 13 when the convection associated with the wave became better organized and on June 14, Tropical Depression Two-E formed at a location about 450 nautical miles (830 km) from Acapulco, Mexico.
Split into simpler sentences: It was not until June 13 when the convection associated with the wave became better organized. On June 14, Tropical Depression Two-E formed at a location about 450 nautical miles (830 km) from Acapulco, Mexico.