UPSC Exam > UPSC Videos > Geography for UPSC CSE > Jet Stream
Jet Stream Video Lecture | Geography for UPSC CSE
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FAQs on Jet Stream Video Lecture - Geography for UPSC CSE
| 1. What is a jet stream? |  |
Ans. A jet stream is a narrow and fast-moving air current in the atmosphere, typically found at high altitudes. It is characterized by strong winds that blow from west to east in a wavy pattern. Jet streams can have a significant influence on weather patterns and can impact the speed and direction of aircraft.
| 2. How are jet streams formed? | |
Ans. Jet streams are primarily formed due to the temperature contrast between cold polar air and warmer tropical air. This temperature difference creates a pressure gradient, which in turn leads to the formation of fast-moving air currents. The rotation of the Earth also plays a role in shaping the jet stream patterns.
| 3. What is the significance of jet streams in weather forecasting? | |
Ans. Jet streams play a crucial role in weather forecasting as they have a significant impact on the movement and intensity of weather systems. Meteorologists closely monitor jet stream patterns to predict the path of storms, determine the strength of hurricanes, and forecast the duration of heatwaves or cold spells. Understanding jet streams helps in making accurate weather predictions.
| 4. How do jet streams affect aviation? | |
Ans. Jet streams can greatly affect aviation by influencing the speed and direction of aircraft. When flying with the jet stream, an aircraft can experience a significant increase in groundspeed, saving time and fuel. Conversely, flying against the jet stream can lead to longer travel times and increased fuel consumption. Pilots and airlines take into account jet stream patterns to optimize flight routes and fuel efficiency.
| 5. Can jet streams cause turbulence? | |
Ans. Yes, jet streams can cause turbulence, particularly when there is a significant change in wind speed or direction within the stream. This turbulence can be experienced by aircraft flying near or within the jet stream. Pilots are trained to anticipate and manage such turbulence to ensure the safety and comfort of passengers.
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Nov 21, 2024 Last updated |
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