colony of rats on the surface and almost certainly numerous complaints to the control agency. In short, the uncontrolled populations of rats in sewers constitute a reservoir which extends into all parts of a city and is capable of establishing new infestations on the surface. The structural damage caused by sewer rats can be considerable. They are
The Saffir-Simpson scale measures the intensity of a hurricane. Wind speed is measured on a scale of 1-5 to give an estimate of potential property damage and flooding along the coast. The Categories are as follows: Category One Hurricane: Winds 74-95 mph.
Predicting storm damage. Forecasters use the data to categorize hurricanes on the Saffir-Simpson Hurricane Wind Scale, a 1 to 5 rating of sustained wind speed. The scale estimates potential property damage, from 1 (Very dangerous winds will produce some damage) to 5 (Catastrophic damage will occur).