Science
As the global climate changes, understanding extreme weather events has become more important than ever. Two of the most destructive forces of nature are hurricanes and tornadoes. Hurricanes are massive, spiraling tropical storm systems that can span hundreds of miles in diameter. They form over warm ocean waters near the equator, feeding on the heat and moisture rising from the sea. As they grow, they develop a calm "eye" in the center, surrounded by the "eyewall," where the winds are strongest.
When a hurricane makes landfall, it brings three major threats: terrifyingly high winds that can tear roofs off houses, torrential rainfall that causes inland flooding, and a "storm surge"—a wall of ocean water pushed ashore by the wind, which is often the most deadly part of the storm. Interestingly, these storms are known by different names depending on their location: they are called hurricanes in the Atlantic and Northeast Pacific, typhoons in the Northwest Pacific (near Asia), and cyclones in the South Pacific and Indian Ocean. Despite the different names, they are the same weather phenomenon.
Tornadoes, on the other hand, are smaller but violently intense. They are rapidly rotating columns of air that extend from a thunderstorm cloud down to the ground. Unlike hurricanes, which take days to form and move slowly, tornadoes can form in minutes, giving people very little warning. They typically form over land during severe thunderstorms when warm, moist air collides with cold, dry air.
While a hurricane might last for days and affect entire states, a tornado usually lasts only a few minutes and cuts a narrow path of destruction. However, the wind speeds in a tornado can be much higher than in a hurricane, capable of tossing cars like toys and obliterating sturdy buildings. Modern scientists use advanced satellites and Doppler radar technology to track these storms. This technology allows meteorologists to issue warnings, giving people precious time to seek shelter in basements or reinforced rooms, saving countless lives every year.
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