How do you measure a cyclone?

Question

this is for my homework so please before Wednesday

Answer 1

Categories Winds Typical effects

(indicative only)

Category 1 Strongest gust less than 125 km/h Negligable house damage. Damage to some crops, trees and caravans. Craft may drag moorings.

Category 2 Strongest gust 125 - 170 km/h Minor house damage. Significant damage to signs, trees and caravans. Heavy damage to some crops. Risk of power failure. Small craft may break moorings.

Category 3

(eg. Winifred) Strongest gust 170 - 225 km/h Some roof and structural damage. Some caravans destroyed. Power failure likely.

Category 4

(eg. Tracy) Strongest gust 225 - 280 km/h Significant roofing loss and structural damage. Many caravans destroyed and blown away. Dangerous airborne debris. Widespread power failure.

Category 5

(eg. Orson) Strongest gust More than 280 km/h Extremely dangerous with widespread destruction.

Answer 2

A factor 1 cyclone will have a wind speed of between 74-95 mph. By comparison, a factor 5, such as Hurricane Katrina, will see wind speeds in excess of 156 mph.