Task: Text Simplification
Input (English): convection increased on august 11 , and by august 12 the interaction between a tropical wave and an upper-level low in the area resulted in a large area of disorganized thunderstorms extending from the western caribbean sea into the central bahamas.
Output (English): by august 11 , there was a rise in the convection level and subsequently the next day a tropical wave reacted with an upper level low-area bringing forth disordered thunderstorms spreading from western caribbean sea to the central bahamas.