

Meteorology: An Introduction to the Wonders of the Weather
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S1 F1 – Nature Abhors Extremes
15. Februar 202332 Min.From thunderstorms to typhoons to driving winds, the world's weather is often tumultuous, destructive, and surprising. And yet, all these phenomena represent Nature's attempt to mitigate extreme conditions. In this introduction, begin to explore some of these extremes as you examine the great complexity of the world weather system.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F2 – Temperature, Pressure, and Density
15. Februar 202328 Min.Why do cold and warm fronts exist? Can you dig a well so deep you cannot pump water from it? Find the answer to these and other questions as you explore three key concepts of weather—temperature, pressure, and density—and the equation that sums up their relationship: the ideal gas law.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F3 – Atmosphere-Composition and Origin
15. Februar 202329 Min.What is air made of? Is it always true that hot air rises and cold air sinks? Learn more about the air that surrounds us and cushions us from the outer reaches of space, and examine the various layers that make up the earth's atmosphere.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F4 – Radiation and the Greenhouse Effect
15. Februar 202330 Min.Energy radiates all around us, streaming in from sunbeams and emanating from every object on Earth. Investigate the various kinds of radiation represented on the electromagnetic spectrum, and see how these forms of energy—assisted by the greenhouse effect—make life possible on our planet.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F5 – Sphericity, Conduction, and Convection
15. Februar 202331 Min.If all the Earth receives energy from the sun, why are there such wide temperature differences across the planet? Why do we have seasons? Answer these questions while learning about how heat moves through the atmosphere via two basic processes: conduction and convection.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F6 – Sea Breezes and Santa Anas
15. Februar 202328 Min.Gain an understanding of how wind works as you explore the way temperature and pressure drive sea breezes during the day and land breezes at night. Then apply these findings to a dramatic wind condition, the famous Santa Ana winds of California.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F7 – An Introduction to Atmospheric Moisture
15. Februar 202331 Min.Add a new element to your understanding of the atmosphere—water—and learn some basic facts about air's capacity to hold water vapor, including the impact of temperature on atmospheric moisture and the implications for weather.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F8 – Bringing Air to Saturation
15. Februar 202332 Min.Why does dew form on some mornings? Why does it take longer to cook food at higher elevations? Discover the answer to these questions as you learn about saturation: the point where air holds the highest amount of water vapor that it can contain.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F9 – Clouds, Stability, and Buoyancy, Part 1
15. Februar 202332 Min.One of the most familiar and beautiful features of weather is the cloud. In this episode, examine different kinds of clouds, learn how clouds are born, why and how they take their distinctive shapes, and what kinds of conditions are likely to produce clouds.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F10 – Clouds, Stability, and Buoyancy, Part 2
15. Februar 202333 Min.Continue your discussion of clouds as you take a closer look at the climates and precipitation relating to this weather phenomenon. Discover why some clouds produce rain while others do not and see why deserts are often found on the lee side of mountains.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F11 – Whence and Whither the Wind, Part 1
15. Februar 202331 Min.Move from clouds to wind as you begin to explore how and why air is transported around the globe. Examine how conditions, including differences in air pressure and temperature as well as the rotation of the Earth, determine where winds arise and the direction in which they blow.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F12 – Whence and Whither the Wind, Part 2
15. Februar 202329 Min.In addition to pressure differences and the Earth's rotational movement, two other forces help to determine the winds' strength and direction: friction and centripetal force. Learn about these two forces and examine how they shape the winds the world over.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F13 – The Global Atmospheric Circulation
15. Februar 202331 Min.After mastering the four forces that affect wind, step back to view their patterns of flow across the Earth's hemispheres. Examine the two models of air circulation that help account for large-scale air-circulation patterns and variations in temperature from the poles to the equator.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F14 – Fronts and Extratropical Cyclones
15. Februar 202330 Min.In this episode, you encounter some of the most dramatic air-flow patterns found in nature: the swift, turning winds of the cyclone. Trace the lifecycle of the extratropical cyclone, which draws its power from the huge energy generated when different air masses meet.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F15 – Middle Troposphere-Troughs and Ridges
15. Februar 202331 Min.Shift your eyes to the sky and examine what happens in a higher level of the atmosphere called the middle troposphere. With this examination, you discover two new features in large weather systems—troughs and ridges that occur in areas of very low and very high pressure—and see how these features affect the weather.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F16 – Wind Shear-Horizontal and Vertical
15. Februar 202328 Min.Expand your understanding of how air moves by taking a three-dimensional view of atmospheric circulation. Discover what happens when winds change direction and what conditions cause these changes in wind shear.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F17 – Mountain Influences on the Atmosphere
15. Februar 202331 Min.In this episode, investigate how mountains can disturb the atmosphere into which they intrude from below. Also, learn how these disturbances can be felt far and wide.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F18 – Thunderstorms, Squall Lines, and Radar
15. Februar 202331 Min.That familiar crash of thunder and the torrential rains that often accompany it are common weather during the warm season. Learn how these noisy storms can form near cold fronts associated with extratropical cyclones and see how scientists use radar to study these storms.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F19 – Supercells, Tornadoes, and Dry Lines
15. Februar 202329 Min.Delve deeper into tumultuous weather as you learn about the formation of towering supercell storms. You also take a detailed look at how the conditions that produce these storms can lead to deadly tornadoes.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F20 – Ocean Influences on Weather and Climate
15. Februar 202333 Min.With their massive volume and constantly moving currents, oceans provide a vast reservoir of energy. Explore how the winds help generate movement in the ocean and, in turn, how the oceans affect weather all over the world, creating a huge feedback loop that helps create our climate.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F21 – Tropical Cyclones
15. Februar 202333 Min.Building on your understanding of how the ocean affects weather, turn your attention to the tropical cyclone, generally known as the hurricane or typhoon. Examine the typical structures of the tropical cyclone, and investigate the conditions needed to unleash these dangerous storms.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F22 – Light and Lightning
15. Februar 202332 Min.Here, you bring together all you've learned in earlier episodes about the composition of air, the electromagnetic spectrum, the condensation of liquid, and the role of oceans in our climate, and use that information to explore two dazzling phenomena: light and lightning.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F23 – Prediction and Predictability
15. Februar 202331 Min.Scientists have learned a lot about how weather works and have developed sophisticated tools to predict what may happen in our weather. You learn about the sophisticated numerical models these experts use, as well as the inevitable limitations of those models.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufenS1 F24 – The Imperfect Forecast
15. Februar 202333 Min.Despite all their knowledge and tools, scientists cannot make perfect predictions. Find out why, using the example of Hurricane Rita in 2005, and explore the deep complexity of weather and climate that makes the subject of meteorology one that continues to fascinate.Gratiszeitraum für The Great Courses Signature Collection, oder Titel kaufen