"Sapphire-Simpson" and "Beaufort" are two different scales used to classify the intensity of tropical cyclones.
The Sapphire-Simpson scale is used in the Western North Pacific and Australian regions, and categorizes cyclones based on their maximum sustained wind speeds. The scale ranges from Category 1 (winds of 74-95 km/h) to Category 5 (winds greater than 251 km/h).
The Beaufort scale, on the other hand, is a scale of wind force based on observational criteria developed by British Admiral Sir Francis Beaufort in the early 19th century. It ranges from 0 (calm) to 12 (hurricane), and is based on the effects of wind on the sea surface, as opposed to the maximum wind speeds of a tropical cyclone.
Both scales provide valuable information on the intensity of tropical cyclones, but they measure this intensity in different ways.
What is sapphire-simpson and Beaufort of tropical cyclone
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