ENSO cycle The ENSO cycle is a scientific term that describes the fluctuations in temperature between the ocean and atmosphere in the east-central Equatorial Pacific. La Niña is sometimes referred to as the cold phase of ENSO and El Niño …
Context This article discusses the increasing frequency of floods occurring due to various causes which necessitates appropriate flood management and suggests measures to tackle flood. What are floods? Sudden submergence or inundation of land area with water is called a …
Context The recent glacial lake outburst flood (GLOF) in Sikkim wreaked havoc along the Teesta river, bringing into focus the magnifying risk of climate change-induced GLOF across the Indian Himalayan Region(IHR). The article discusses the causes and impacts of glacial …
Context Regions in the Himalayas are frequently prone to flood events triggered by erratic climatic conditions, thus advocating the need for climate-resilient cities. Indian Himalayan Region The Indian Himalayan region is prone to various types of natural disasters, like earthquakes, …
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 …