Simplify the following text for a Grade 10 native English-speaking person.
Original: The depression developed quickly before making landfall on YucatÃ n Peninsula early on July 4 with 35 mph ( 55 km\/h ) winds and began to lose its circulation overland .
Simplified: Anyhow , the depression developed quickly before making landfall on YucatÃ n Peninsula early on July 4 with 35 mph ( 55 km\/h ) winds .