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): convection rose on august 11 , and by august 12 the meeting between a tropical wave and an upper-level low in the area caused a large area of thunderstorms from the western caribbean sea into the central bahamas.