In the Atlantic tropical cyclone basin, which includes the Atlantic Ocean. The distinct stages of hurricane development are defined by the "sustained." At this stage, it is given a name and is considered a threat. Tropical cyclones are one of the biggest threats to life and property. Of course this natural diseaster is considered a hazard but it is believed to be called multi-hazard because it affects more than one thing when it stricks. Life and property.
I would say that probably classifying natural disasters and their impact on man would most likely be considered by William Hughes as true geography as rather than just describing earth's features it would show the impact of earth's processes on man.