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Tropical cyclones, also called hurricanes and typhoons, cause catastrophic damage when they strike land. When a cyclone’s fury unleashes on population centers, death, injury, and wholesale destruction follow. This program explores the life cycle of cyclones: how atmospheric conditions, ocean temperatures, and the Earth’s rotation combine to create them and how, driven by winds, they eventually weaken after moving over land.
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Tropical cyclones devastate people, property, and infrastructure. This program outlines how cyclones are classified across the world and then examines the impact of Hurricane Matthew on the southeastern United States and Haiti in 2016. It compares the strategies that wealthy nations, like the U.S., employ to protect people and property to how the lack of resources in a poorer nation, like Haiti, leaves hurricane victims highly vulnerable to suffering...
43) Lightning
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The inside of a storm cloud is home to millions of ice particles rubbing against each other and generating static electricity, until the charge is so intense that it strikes down, or upward, in the form of lightning.
44) Energetic Earth
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How do you turn this thing off? Well, you can’t. This is Earth, and the power button is always switched on. The energy is always flowing. But where is the button? Where does this energy come from? You’re about to find out. Topics include: Energy and Heat, Solar Energy, Geothermal Energy, and Convection.
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Atmospheric phenomena directly influence the formation of different landscapes of our planet. In this program we’ll discuss the weather forecast, the atmosphere, the troposphere, meteorological observation stations, and more. Topics include: Rain, Hail, Lightning, Cloud Formation, Thunder Storms, Hurricanes, and Tornadoes.
46) Wind
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Dr. Helen Czerski examines two of the most awe-inspiring natural phenomena on Earth: tornadoes and auroras. We look into the heart of the storm to find out how advances in technology and eyewitness footage are transforming our understanding of tornadoes—the fastest winds on the planet. New technologies are furthering our understanding of the extreme weather events that produce them and what gives them their incredible destructive power. Understanding...
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Throughout history, floods have killed more people and caused more widespread destruction than any kind of event other than war. A catastrophic flood in China in 1931 is believed to have resulted in four million deaths, making it the world's worst ever natural disaster. This program examines the causes of floods, the havoc they wreak and what, if anything, can be done to protect against them.
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Tornadoes and flash floods can happen at the same time. But the safety instructions for what you’re supposed to do during each one often contradict one another. Now meteorologists and social scientists are working together to identify when these two severe weather events occur together and how best to communicate that information to the public.
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Yellow clouds of nutrient-rich sand, iron particles and microscopic aerosols from the Sahara Desert blow north over Europe and west over the Atlantic Ocean to the Americas. Meteorologists research the impact of ‘desert clouds’ to changes in climates, weather patterns and ecosystems. Desertification of forest lands and fertile agricultural areas increases the size and number of desert storms.
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Extreme weather events can cause widespread damage resulting in billions of dollars of losses. Recent events, such as blizzards, hurricanes, and droughts have been exceptionally devastating as a result of several environmental factors. The convergence of several weather systems and the right atmospheric conditions sometimes result in the “perfect storm.” This issue examines the factors behind catastrophic weather. It explains El Niño and La Niña,...
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This program takes a fascinating look at some of the most devastating twister storms to hit the planet in the last 100 years, from the world's worst twister, which struck Daultipur in Bangladesh in 1989, to the most expensive tornado attack in history, the 1999 Oklahoma Tornado, which caused $1.4 billion of damage.
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Violent weather touches thousands of lives, homes and businesses around the world each year. Billions of dollars are spent on cleanup and reconstruction. Climatologists and meteorologists at the Meteorological Alpine Project (MAP) are using specialized computer technology to discover how hot winds in the African desert develop into a damaging hail storm in the Swiss Alps.
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"How fast is the wind blowing? How much moisture is in the air? Meteorologists measure weather conditions to help answer these and other questions. Learn about the tools and systems they use. Find out how these measurements help people plan their days and prepare for any weather"--
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Earth has got swirl. The air in the atmosphere swirls. The water in the ocean swirls. But what does it all have to do with weather and climate? To answer this, we’ll have to get a close-up on all that swirl. Don’t worry, being dizzy is fun! Topics include: Earth's Place in the Universe; Investigating Earth's Past; Restless Earth; Mountains, Volcanoes, and Earthquakes; Energetic Earth; Atmosphere and Oceans; and Earth Systems.
59) Weather
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Weather affects our lives in many ways. Often, we take how much we rely on knowing and understanding the weather for granted. All living things must be able to adapt to the weather conditions in their region in order to live successfully. We will be more prepared to understand just what a powerful force it really is by understanding the various weather phenomena. This weather program highlights different forms of weather and introduces the concepts...