Facts for Prelims (FFP) Source: IE Context: Cyclone Michaung, heading towards the Andhra coast, is considered unusual due to its high intensity and timing in December, a month when storms in the North Indian Ocean typically don’t reach destructive levels. The cyclone, initially predicted to be a ‘tropical cyclone,’ was upgraded to a ‘severe’ …
GS Paper 1: Topics Covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: The southwest monsoon is likely to be “normal” in 2022, though rainfall in August, the second rainiest month, will likely be subdued, according to the private weather company Skymet. Key findings: Rajasthan, Gujarat, Nagaland, Manipur, Mizoram …
GS Paper 1: Topics Covered: Important Geographical phenomenon. Context: The Indian Meteorological Department (IMD) declared the season’s first heat wave and severe heat wave March 11 and the first depression March 3. Experts say this is early compared to previous years and may be because of an unexpected climatic anomaly which could, in turn, …
Continue reading “Interaction between La Niña and the warm Arctic:”
GS Paper 1: Topics Covered: Important Geographical phenomenon. Context: Various parts of India, especially North India, have been experiencing a severe cold wave. Warnings for the severe cold waves have been issued in several northern states. What is a Cold Wave? A cold wave is different for the plains and the mountains. According …
Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclones, etc. 1. Discuss the factors that cause earthquakes. Why are Earthquakes more common in certain parts of the world than others? (250 words) Difficulty level: Easy Reference: India Today Why the question: Earthquakes are very common in Hindu Kush Himalayas and even this year, UPSC has …
GS Paper 1: Topics Covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: An analysis of past data of cyclones over North Indian Ocean (Bay of Bengal and Arabian Sea) during the period from 1891 to 2020 indicates that: The frequency of “very severe cyclonic storms” has increased in recent …
GS Paper 1 Topics Covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: The National Oceanic and Atmospheric Administration (NOAA) recently declared that La Niña has re-developed. Consecutive La Ninas following a transition through ENSO neutral conditions are not uncommon and can be referred to as a “Double-Dip.” Background: El …
Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. 2. What is a Tsunami? Explain the difference between a tsunami wave and a tidal wave. (250 words) Difficulty level: Moderate Reference: Insights on India Why the question: The question is part of the static syllabus of General studies paper – 1 and …
Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. 1. Discuss the factors that cause earthquakes. Why are Earthquakes more common in certain parts of the world than others? (250 words) Difficulty level: Moderate Reference: Insights on India Why the question: The question is part of the static syllabus of General studies …
GS Paper 1 Topics Covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: There is a growing body of research suggesting that climate change can cause extreme and more frequent El Niño and La Niña events. A study was conducted recently on this using one of South Korea’s fastest supercomputers, …
Continue reading “Impact of climate change on El Niño-Southern Oscillation:”
GS Paper 1: Topics covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: Hurricane Ida made landfall in Louisiana on Sunday. It is an extremely dangerous Category 4 storm, forcing those who did not flee to brace themselves for the toughest When do hurricanes occur? The Atlantic Hurricane season runs from June …
GS Paper 1 Topics Covered: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc. Context: The frequency and intensity of cyclones developing over the Arabian Sea has increased in the last two decades, while fewer such storms have been seen over the Bay of Bengal. Key changes: A 52% increase was …
Continue reading “Rise in frequency and intensity of cyclones in Arabian Sea”
GS Paper 1 Topics Covered: Important Geophysical phenomena Context: According to a recent study, the Atlantic Ocean’s current system-AMOC, an engine of the Northern Hemisphere’s climate, could be weakening to such an extent that it could soon bring big changes to the world’s weather. Climate models have shown that the AMOC is at its weakest …
Continue reading “What is the Atlantic Meridional Overturning Circulation (AMOC)?”
