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The Saffir–Simpson hurricane wind scale (SSHWS) is a scale that classifies hurricanes—which in the Western Hemisphere are tropical cyclones that exceed the intensities of tropical depressions and tropical storms—into five categories distinguished by the intensities of their sustained winds.
The scale used for a particular tropical cyclone depends on what basin the system is located in; with for example the Saffir–Simpson hurricane wind scale and the Australian tropical cyclone intensity scales both used in the Western Hemisphere. All of the scales rank tropical cyclones using their maximum sustained winds, which are either ...
Before the 1–5 scale was created in 1969 by the National Hurricane Center and later by the Bureau of Meteorology in Australia, many tropical cyclones were simply ranked by the Beaufort Wind Scale which was created in the early 1800s by Francis Beaufort. The purpose of the scale was to standardize wind reports in ship logs.
Saffir-Simpson Hurricane Scale. Wind Speed (in miles per hour) Category 1. 74-95 mph. Category 2. 96-110 mph. Category 3. 111-129 mph. Category 4. 130-156 mph. Category 5. 157 mph or higher.
Developed by wind engineer Herb Saffir and meteorologist Bob Simpson, the scale was first published in the 1970s as a way to quantify the threat of a given hurricane and alert the public to ...
This scale – officially known as the Saffir-Simpson Hurricane Wind Scale – is a rating based on maximum sustained wind speed, which ranges from 74 to 157 mph, or higher.
A ship in a force 12 ("hurricane-force") storm at sea, the highest rated on the Beaufort scale. The Beaufort scale (/ ˈ b oʊ f ər t / BOH-fərt) is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale.
Hurricane strength is measured in categories on the Saffir-Simpson Hurricane Wind Scale. What does it all mean? We break it down from Category 1 to 5.