Context The World Meteorological Organization (WMO), an agency of the United Nations, in its recent report said sea levels rose by 4.5 millimeters (mm) a year on average between 2013 and 2022. This rise in sea levels is more than …
What is a cloudburst? Cloudbursts are short-duration, intense rainfall events over a small area. According to the India Meteorological Department (IMD), it is a weather phenomenon with unexpected precipitation exceeding 100mm/h over a geographical region of approximately 20-30 square km. …
About IMD India Meteorological Department (IMD) was established in 1875. It is the National Meteorological Service of the country and the principal government agency in all matters relating to meteorology and allied subjects. Mandate of IMD To take meteorological observations …
About Pulicat Lake Pulicat Lake is located on the Coromandel Coast of India, between the states of Tamil Nadu and Andhra Pradesh. It is the second-largest brackish water lake in the country (next to Chilika in Odisha). The lake is …
Context India has not experienced a normal winter in three years. It has remained unusually dry and hot. In this winter, for instance, the country experienced its hottest ever December, as per the India Meteorological Department (IMD). The northwest region, …
What is Bomb Cyclone? Storms can form when a mass of low-pressure air meets a high-pressure mass. The air flows from high pressure to low, creating winds. What defines a bomb cyclone is how rapidly the pressure drops in the …
About El Nino and La Nina During normal conditions in the Pacific ocean, trade winds blow west along the equator, taking warm water from South America towards Asia. To replace that warm water, cold water rises from the depths — …
Context The world is seeing a rise in cyclonic formations and in recent years, several storms have come close to undergoing the Fujiwhara effect. Fujiwhara effect The Fujiwhara Effect was first described by a Japanese meteorologist, Dr. Sakuhei Fujiwhara in …
About Vernon Dvorak Dvorak was an American meteorologist best credited for developing the Dvorak technique in the early 1970s. The technique has been upgraded multiple times since then, and after a recent software update this year, it has been named …