Meteorologists and climatologists attempt to predict upcoming hurricane seasons by analyzing conditions and comparing them to those of past seasons.

How did the 2004 predictions compare to the actual season? 

What is expected for the 2005 season?

Climatologists have analyzed past hurricane seasons to see if there is a connection between North Atlantic hurricanes and conditions in the Pacific Ocean known as El Nino and La Nina.  They have also examined variables such as the location of high pressure in the North Atlantic Ocean.