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|  |  |  |  | | Article Images |  | Hurricane Katrina
 | The track of Hurricane Katrina. The coloured points indicate its strength according to the Saffir-Simpson Hurricane scale, which ranges from Category 1 (blue) to Category 5 (red).
Credits: ESA |  |  |  |  |
| | |  | Graphical model showing a vertical cross-section of the air circulation, clouds, and precipitation associated with a hurricane
Credits: physicalgeography.net |  |  |  |  |
| | |  | This close-up of the ASAR Wide Swath Mode image of the area of the sea surface associated with Hurricane Katrina's eye shows a darker, smoother sea surface, due to the lack of winds at the central area of extreme low pressure.
Credits: ESA |  |  |  |  |
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|  | Storm surges IntroductionHurricane Katrina Exercises Exercise 1: Spiraling Hurricane Katrina from cloud tops to ocean wavesExercise 2: Visualising and examining flooded areas in New Orleans caused by Hurricane KatrinaRelated links Hurricane Katrina - NOAAHurricane Katrina - WikipediaNational Hurricane Center - NOAAStorm surge overview - NOAAGlobal Monitoring for Environment and Security - ESAInternational Charter Space and Major DisastersTropical weather and hurricanes - PhysicalgeographyRelated news Envisat sees whirling Hurricane Katrina from ocean waves to cloud topsRelated videos Cyclone Floyd - 9 September 1999 (0.7 Mb)Cyclone Floyd - 13 September 1999 (1.5 Mb)Cyclone Floyd - 14 September 1999 (1.6 Mb)Cyclone Floyd - 15-16 September 1999 (3.4 Mb)
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