Anatomy of a Hurricane in the northern hemisphere. Click on image to enlarge it. This file is licensed under the Creative Commons Attribution 3.0 Unported license.
The terms "hurricane" and "typhoon" are regionally specific names for a strong "tropical cyclone". [From The Hurrican Research Division of the Atlantic Oceanographic Meteorological Laboratory of NOAA - the National Oceanic & Atmospheric Administration.]
Map of Hurricane Katrina track using color scheme representing wind speeds from Saffir-Simpson Hurricane Scale with points showing location of each storm at 6-hour intervals by Nilfanion from
Natural Hazards Center: Research Report, "The Emergency Management Response to Hurricane Katrina: As Told by the First Responders--A Case Study of What Went Wrong & Recommendations for the Future, published by the Natural Hazards Center at the University of Colorado, Boulder
The Storm that Drowned a City: Transcript, photos, and information resources from the NOVA program "The Storm that Drowned the City," on PBS (2005)
The History Channel: Aerial video clip of New Orleans taken from a news helicopter, after Hurricane Katrina