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This paper aims to make an evaluative study of the updates topography, land use and friction velocity performed in the atmospheric WRF model, and prove its efficiency in simulating the wind speed and direction patterns using measurements of anemometric station Maragogi/AL, during the period from August/2007 to July/2008, focusing to May/2008 showed low correlation coefficient indices. The changes resulted in improvements made in the correlation coefficient for the wind speed of 0.15 to 0.61, however it is not perceived improvement to the wind direction. Highlighted the fact that the topography and friction velocity were the variables that most influenced the simulations, however there was little difference between the default condition the update condition for land use. The average speed for the city of Maragogi/AL was 5,27m/s predominant direction of South East wind. Generally noticed an improvement in the simulations when implemented updates in the model.

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PROGNÓSTICO DO VENTO PARA O ESTADO DE ALAGOAS UTILIZANDO O MODELO WRF EM ALTA RESOLUÇÃO: AVALIAÇÃO DA MELHORIA DA TOPOGRAFIA, USO DO SOLO E VELOCIDADE DE FRICÇÃO