NOAA
Noaa: Ncdc: Hurricane Katrina Information [Pdf]
Lots of information about the causes of Hurricane Katrina from a meteorology point of view is shared, as well as the data from the Hurricane and the impact the Hurricane had on the cities and towns that were affected.
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.
Curated OER
Forecast Map
The National Weather Service presents this site on synoptic meteorology, large-scale weather systems. Learn about the structure and behavior of the atmosphere, including clouds, precipitation, winds and more. Also includes learning...