Science Struck
Science Struck: Interesting Facts About Hurricanes
An ebook (with some embedded ads) that describes the characteristics and behavior of hurricanes, which are really the same phenomenon as typhoons and cyclones, and the damage caused by them.
CK-12 Foundation
Ck 12: Earth Science: Hurricanes
[Free Registration/Login may be required to access all resource tools.] Describes how a hurricane forms and its effects.
PBS
Pbs: El Nino
You can link to the anatomy of El Nino, chasing El Nino, and El Nino's reach. There is a resource page and a search page.
PBS
Pbs: Wgbh: Nova: Reconstructing a Storm
Scientists use a variety of tools to reconstruct storms in an effort to understand how they develop. These studies are conducted in an attempt to prepare for future storms. Peer close inside a megastorm, analyze and reconstruct it, and...