{"id":15886,"date":"2025-04-22T11:40:43","date_gmt":"2025-04-22T11:40:43","guid":{"rendered":"https:\/\/exam.pscnotes.com\/current-affairs\/?p=15886"},"modified":"2025-04-22T11:45:44","modified_gmt":"2025-04-22T11:45:44","slug":"extreme-hydro-hazards","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/current-affairs\/extreme-hydro-hazards\/","title":{"rendered":"Extreme Hydro Hazards"},"content":{"rendered":"<ul>\n<li>\n<p><strong>Recent Events:<\/strong> Torrential rain in Ramban, J&amp;K, caused casualties, infrastructure damage, and forced relocations due to cloudbursts, landslides, and flash floods.<\/p>\n<\/li>\n<li>\n<p><strong>Cloudburst Definition:<\/strong> Sudden, intense rainfall exceeding 10 cm per hour over approximately 10 km\u00b2. Common in mountainous areas like the Himalayas due to orographic lift. Difficult to predict.<\/p>\n<\/li>\n<li>\n<p><strong>Cloudburst Causes:<\/strong> Orographic lift (warm air rising over mountains, cooling, and releasing moisture), monsoon dynamics (moisture-laden clouds from Bay of Bengal\/Arabian Sea release rain in Himalayas).<\/p>\n<\/li>\n<li>\n<p><strong>Landslide Definition:<\/strong> Downward movement of rock, soil, or debris on a slope due to gravity. Increased by rainfall.<\/p>\n<\/li>\n<li>\n<p><strong>Landslide Causes:<\/strong> Natural factors (heavy rain, earthquakes) and human activities (deforestation, construction) weaken slopes. Geological factors like soil composition also contribute. Water adds weight, lowers strength and reduces friction, leading to landslides.<\/p>\n<\/li>\n<li>\n<p><strong>Landslide-Prone Areas in India:<\/strong> North East Himalaya, North West Himalaya, Western Ghats, Konkan hills, and Eastern Ghats.<\/p>\n<\/li>\n<li>\n<p><strong>Flash Flood Definition:<\/strong> Sudden rise in water levels during or after intense rainfall, typically within 6 hours.<\/p>\n<\/li>\n<li>\n<p><strong>Flash Flood Causes:<\/strong> Intense rainfall overwhelming drainage systems, rapid snowmelt, dam breaches, glacial lake outbursts, and urbanization increasing runoff.<\/p>\n<\/li>\n<li>\n<p><strong>Impact:<\/strong> Cloudbursts lead to flash floods and landslides. Flash floods are sudden and life-threatening. Landslides can crush and trap people, block roads, and cause waterbodies to flood.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Recent Events: Torrential rain in Ramban, J&amp;K, caused casualties, infrastructure damage, and forced relocations due to cloudbursts, landslides, and flash floods. Cloudburst Definition: Sudden, intense rainfall exceeding 10 cm per hour over approximately 10 km\u00b2. Common in mountainous areas like the Himalayas due to orographic lift. Difficult to predict. Cloudburst Causes: Orographic lift (warm air &#8230; <a title=\"Extreme Hydro Hazards\" class=\"read-more\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/extreme-hydro-hazards\/\" aria-label=\"Read more about Extreme Hydro Hazards\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":15933,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595],"tags":[1282],"class_list":["post-15886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-21-04-25"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Extreme Hydro Hazards - Current Affairs Exam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/extreme-hydro-hazards\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extreme Hydro Hazards\" \/>\n<meta property=\"og:description\" content=\"Recent Events: Torrential rain in Ramban, J&amp;K, caused casualties, infrastructure damage, and forced relocations due to cloudbursts, landslides, and flash floods. 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