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  2. Saffir–Simpson scale - Wikipedia

    en.wikipedia.org/wiki/Saffir–Simpson_scale

    So an intensity of 115 kn is rated Category 4, but the conversion to miles per hour (132.3 mph) would round down to 130 mph, making it appear to be a Category 3 storm. Likewise, an intensity of 135 kn (~155 mph, and thus Category 4) is 250.02 km/h, which, according to the definition used before the change would be Category 5.

  3. Tropical cyclone intensity scales - Wikipedia

    en.wikipedia.org/wiki/Tropical_cyclone_intensity...

    A Category 4 hurricane has winds of 113 to 136 kn (130 to 157 mph; 209 to 252 km/h), while a Category 5 hurricane has winds of at least 137 kn (158 mph; 254 km/h). [ 1 ] [ 3 ] A post tropical cyclone is a system that has weakened, into a remnant low or has dissipated and formal advisories are usually discontinued at this stage. [ 1 ]

  4. Portal:Tropical cyclones/Featured article/Saffir-Simpson ...

    en.wikipedia.org/wiki/Portal:Tropical_cyclones/...

    The Saffir–Simpson Hurricane Scale (SSHS) is a scale classifying most Western Hemisphere tropical cyclones that exceed the levels of "tropical depression" and "tropical storm" and thereby become hurricanes. The "categories" it divides hurricanes into are distinguished by the intensities of their respective 1-minute sustained wind speeds.

  5. What makes a storm a hurricane? The dangers across 5 categories

    lite.aol.com/news/health/story/0001/20241008/...

    Category 1 hurricanes range from 74 to 95 mph and can bring very dangerous winds that can damage even sturdy houses. Category 1 is the weakest hurricane, and the storms strengthen up the scale from there. If a hurricane is Category 3 or higher, it is considered a major hurricane.

  6. Here's how many Category 5 hurricanes have hit mainland U.S.

    www.aol.com/heres-many-category-5-hurricanes...

    The hurricane produced a peak storm surge of 24 feet and flattened nearly everything along the Mississippi coast. It caused an estimated $1.42 billion in damages (more than $12 billion in 2024 ...

  7. Why Milton could become one of the most destructive ...

    www.aol.com/life-threatening-storm-surge-likely...

    Northeast Florida could get 3 to 5 feet of storm surge, the hurricane center projects. Storm surge is a serious concern with any major hurricane, which NOAA classifies as Category 3 or above. But ...

  8. Storm surge: Explaining the fury and science behind one of ...

    www.aol.com/weather/storm-surge-explaining-fury...

    While the powerful, destructive wind speeds of an approaching cyclone are used to estimate the storm's category, storm surge is often the greatest threat to both lives and property. Storm surge is ...

  9. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

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