Original: The most notable cyclones the year were Hurricanes Ignacio and Marty, which killed 2 and 12 people in Mexico, respectively, and were collectively responsible for about $1 billion (2003 USD) in damage.
Simplified: The most notable cyclones the year were Hurricanes Ignacio and Marty, which killed 2 and 12 people in Mexico, respectively, and were responsible for about $1 billion (2003 USD) in damage.