Tropical cyclones | Middle school Earth and space science | Khan Academy скачать в хорошем качестве

Tropical cyclones | Middle school Earth and space science | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/g... Tropical cyclones are powerful, rotating storms that form over warm ocean water. They build strength through rising moist air and heat released during condensation. The Coriolis effect causes them to spin—counterclockwise in the Northern Hemisphere, clockwise in the Southern. These storms weaken over land or cool water but can still cause severe wind and flooding. Sections: 00:00 Intro 00:39 How tropical cyclones form 01:38 Why tropical cyclones spin (Coriolis effect) 02:50 4 stages of tropical cyclones 03:40 Saffir-Simpson Hurricane Wind Scale and tropical cyclone names 04:28 How tropical cyclones weaken 05:08 Summary ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?ut... Volunteer here: https://www.khanacademy.org/contribut... Credit: "Rita" by NOAA, public domain: https://commons.wikimedia.org/wiki/Fi...