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The 53rd Weather Reconnaissance Squadron, known as the Hurricane Hunters of the Air Force Reserve, flew propeller-driven Lockheed-Martin WC-130 aircraft directly into the eye of Katrina. This archived photo shows the "stadium effect" that occurs in the eye of a strong hurricanes. It looks like you are in the middle of a stadium of clouds. Videos on the site let you take a tour inside the eye of a hurricane.
Winds from Hurricane Katrina are expected to diminish by about 80 percent over 72 hours as the storm moves inland.
Doppler radar from New Orleans taken Aug. 29 as Katrina hits land shows the concentration of heavy rains--indicated by the red and brown areas--in the center of the storm.