Geography
Every year during the winter a large number of flights and trains are affected due to the bad weather condition in North India.
- Specify the name of the phenomena of weather for which it happens.
- Explain why is this phenomena common in winters.
- Why is this phenomenon responsible for the cancellation or postponement of trains and flights?
Humidity
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Answer
Foggy weather.
During winter, long and clear nights lead to rapid loss of heat from the Earth's surface through terrestrial radiation. This causes the air near the ground to cool quickly. When this cool air comes in contact with moisture, the water vapour condenses into tiny droplets that remain suspended in the air, forming dense fog.
Fog significantly reduces visibility, often to less than 1 kilometre. This low visibility creates hazardous conditions for transportation, making it difficult for pilots and train operators to navigate safely. As a result, many flights and trains are delayed, postponed, or even cancelled.
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