Hurricane Katrina

 Katrina in Wikipedia
Continuously changing extensive information on the hurricane Katrina in the open Internet encyclopaedia Wikipedia

Low pressure systems and storms

 NASA Hurricane Website
Data and maps from Hurricanes in the past (category, wind speed, rainfall, etc.)

 FAQ about Hurricanes
Detailed and well illustrated answers on the most common questions concerning tropical cyclones provided by the US Hurricane Research Division (in English, French and Spanish)

 Formation of low and high pressure systems
Overview of the formation of pressure systems in the mid and tropical latitudes (ESPERE)

 Tropical cyclone tracker
Animation of tracks of the hurricanes in the recent years (Univ. of Wisconsin)

Impacts of hurricanes

 USGS hurricane impact studies
Short overviews with photos demonstrating the impacts of the recent hurricanes, provided by the US Geological Survey

 Impacts of natural catastrophes Munich Re
Reports on the impacts of natural disasters (for example the annual report 2004) are regularly published in several languages by the Geo Risk Research group of the Munich Re back-insurance company. Major parts of the reports concern storms. See: publications -> Geo risk research on the Munich Re homepage.

 
validity of links checked 2007-01-13