daily news analysis | Physical Geography

El Niño

According to the India Meteorological Department (IMD), there is a possibility of the El Niño phenomenon developing after July 2026, but definitive clarity on its formation will emerge only in April. Global forecasters, including the U.S. NOAA, estimate that the chances of El Niño forming during the June–August period are around 62%, with the probability increasing later in the year. Current Climatic Conditions At present, the Pacific Ocean is experiencing ENSO-neutral

22 March, 2026 Geomorphology
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Solar Cycles

Researchers from IIT Kanpur have recently developed a new method to predict solar cycles, which can improve our understanding of solar activity and its impact on Earth. About Solar Cycles A solar cycle refers to an approximately 11-year cycle of solar activity driven by changes in the Sun’s magnetic field. This cycle is primarily observed through the frequency and intensity of sunspots visible on the Sun’s surface. During each cycle, the Sun’s magnetic field reverses,

21 March, 2026 Climatology
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Polar Vortex

A recent severe winter storm in the United States, affecting regions from Texas to New England, has highlighted the important role of the stratospheric polar vortex in shaping extreme weather events. What is the Polar Vortex? The polar vortex is a large region of low pressure and extremely cold air that surrounds both the North Pole and South Pole. It extends from the tropopause (boundary between the troposphere and stratosphere) into the stratosphere and even the mesosphere (abov

19 March, 2026 Climatology
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Sonic Boom

Recent studies have shown that seismometers can detect sonic booms created by debris from orbit falling back to Earth. This highlights that sonic booms are not only generated by aircraft but also by objects re-entering the atmosphere from space, producing detectable ground vibrations. What is a Sonic Boom? A sonic boom is a loud, thunderous noise produced when an object moves faster than the speed of sound (approximately 343 meters per second at sea level). When an object exceeds th

18 March, 2026 Universe and Solar System
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Kamchatka Peninsula

Recently, the Kamchatka Peninsula in Russia’s Far East has experienced extreme and record-breaking snowfall, as powerful winter storms dumped several metres of snow across the region. The event highlights the peninsula’s harsh climatic conditions and unique geographical environment. Location The Kamchatka Peninsula is located in Russia in the far eastern part of the country. It lies between the Sea of Okhotsk to the west and the Pacific Ocean and Bering Sea to the east.

14 March, 2026 Current mapping upsc
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Geomagnetic Storms

Recently, a powerful G4 (Severe) Geomagnetic Storm triggered by intense solar activity illuminated the night skies with spectacular auroras visible across several continents. Such storms occur when disturbances from the Sun interact with Earth’s magnetic environment. What is a Geomagnetic Storm? A Geomagnetic Storm is a major disturbance in the Earth's Magnetosphere, the magnetic shield that surrounds Earth and protects it from harmful solar radiation. These storms occur w

13 March, 2026 Geomorphology
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Mount Elbrus

Recently, an artificially triggered avalanche was filmed cascading down Mount Elbrus, drawing attention to the geological and climatic conditions of Russia’s highest peak. About Mount Elbrus Location: Mount Elbrus is located in southwest Russia and forms part of the Caucasus Mountains. It is the highest point in Russia and in Europe, with an elevation of 5,642 meters (18,510 feet). The mountain lies within Prielbrusye National Park. It is one of the

28 February, 2026 Current mapping upsc
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Chatham Islands

Recently, a massive bloom of phytoplankton encircled the Chatham Islands during the austral summer. Phytoplankton are microscopic photosynthetic organisms that form the base of marine food chains. When their population increases rapidly, it creates a visible bloom detectable by satellites. Such blooms are often influenced by nutrient availability, ocean currents, and seasonal temperature changes. Location and Geographical Setting The Chatham Islands are an island group located in th

21 February, 2026 Current mapping upsc
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Lake Natron

Recently, Lake Natron in Tanzania has drawn global attention for its striking blood-red appearance, a phenomenon caused by volcanic activity and extreme chemical conditions. About Lake Natron Location Lake Natron is located in the Arusha region of Northern Tanzania, close to the Kenyan border. It lies within the Gregory Rift, which forms the eastern branch of the East African Rift system. The lake was designated as a Ramsar Site of International Importance in 2001, recognizing it

21 February, 2026 Current mapping upsc
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Zanskar River

The much-awaited Chadar Trek on the frozen Zanskar River has been deferred due to inadequate ice formation this winter. The trek depends on the river freezing into a thick sheet of ice, and insufficient freezing has made the route unsafe for trekkers. About Zanskar River The Zanskar River is a major left-bank tributary of the Indus River and flows entirely within the Union Territory of Ladakh in northern India. It drains the remote and rugged Zanskar Valley in the northwestern Himalaya