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  1. Tropical cyclone | Definition, Causes, Formation, and Effects

    5 days ago · What is a tropical cyclone? A tropical cyclone is an intense circular storm that originates over warm tropical oceans. It is also called a hurricane or a typhoon. It is …

  2. Ganges-Brahmaputra delta cyclone - Encyclopedia Britannica

    Ganges-Brahmaputra delta cyclone, catastrophic tropical cyclone that struck East Pakistan (now Bangladesh) on Nov. 12, 1970, killing hundreds of thousands of people in the densely …

  3. Bangladesh cyclone of 1991 | Category 5, Cyclone Sidr

    Bangladesh cyclone of 1991, (April 22–30, 1991), one of the deadliest tropical cyclones ever recorded. The storm hit near the Chittagong region, one of the most populated areas in …

  4. Disaster | Definition & Types | Britannica

    Dec 31, 2025 · Disaster, any natural or human-generated calamitous event that produces great loss of human life or destruction of the natural environment, private property, or public …

  5. Natural disaster | Causes, Types, & Facts | Britannica

    Dec 29, 2025 · tropical cyclone In the North Atlantic Ocean and the eastern North Pacific, tropical cyclones are called hurricanes, and, in the western North Pacific, these storms are referred to …

  6. Cyclone Freddy | Path, Death Toll, Cause, Damage, Category, …

    Nov 19, 2025 · Cyclone Freddy was a storm that developed in the Southern Hemisphere, northwest of Australia, in February 2023 and became the longest-lived tropical cyclone on …

  7. Asia Floods of 2025 - Encyclopedia Britannica

    Dec 8, 2025 · In Sri Lanka, Indonesia, Thailand, Malaysia, the Philippines, and Vietnam, successive, frequent, and unusually intense monsoon conditions and cyclones produced …

  8. Tropical cyclone - Tracking, Forecasting, Impacts | Britannica

    Nov 26, 2025 · If tropical cyclone conditions are expected in an area within 24 hours, a tropical cyclone warning is issued. Once a warning is issued, evacuation is recommended for areas …

  9. Tropical cyclone - Formation, Paths, Impacts | Britannica

    Dec 26, 2025 · As mentioned above, a tropical cyclone can contribute to its own demise by stirring up deeper, cooler ocean waters. In addition, a storm that moves over land will abruptly …

  10. Hurricane Katrina summary | Britannica

    Hurricane Katrina, Tropical cyclone that struck the U.S. in 2005. The storm that became Hurricane Katrina was one of the most powerful Atlantic storms on record, with winds in excess of 170 mi …