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Large areas of Saharan dust, which originated in Africa, have been movingacross the tropical Atlantic recently. The dust is carried high in the air bystrong, easterly winds. While not that unusual, the dust has been much moreprominent so far this season. Saharan dust has been shown to inhibit thedevelopment of tropical cyclones, as it is usually associated with very dryair.Story by AccuWeather.com Expert Senior Meteorologist Brett Anderson.