On caribbean islands with mountains the windward slopes facing the trade winds force air upward causing rainfall as a result areas immediately to the leeward of the mountains have a microclimate with sparse precipitation called an?
a. slope shadow
b. drought shadow
c. enso
d. rain shadow

The correct answer is letter D. Rain shadow refers to this specific phenomenon. This happens because the mountains tend to block the precipitation causing the area below it to experience a dry climate. This is why most seasons in the Caribbean Islands are usually tropical and the weather is mostly sunny. 

El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

Just do the math, then think