ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Simulation and Analysis of the Weather Conditions for the 23 March 2009 Accident at Tokyo Narita Airport
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Abstract:
A US FedEx cargo plane crashed and burst into flames as it landed at Tokyo Narita airport on March 23, 2009. The weather conditions of the crash are simulated and analyzed in this article. A new generation of WRF(Weather Research & Forecasting，designed in the United States) nonhydrostatic model 2.2 is used in simulating this process. The horizontal and vertical distributions of several critical physical elements before and after the crash are analyzed. Particularly, the horizontal distribution of potential temperature is diagnosed and analyzed. The result shows that strong surface wind is formed in the region of potential temperature advection gradients, and that the strong surface wind, the strong downdraft caused by the surface wind in the low level and the lowlevel windshear are the main meteorological causes of this accident.
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