{"id":344057,"date":"2025-08-06T16:10:11","date_gmt":"2025-08-06T10:40:11","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=344057"},"modified":"2025-08-06T16:10:11","modified_gmt":"2025-08-06T10:40:11","slug":"flash-floods-and-cloudbursts","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/flash-floods-and-cloudbursts\/","title":{"rendered":"Flash Floods and Cloudbursts"},"content":{"rendered":"<p><strong>News:<\/strong> A cloudburst led to flash floods in the high altitude villages of Uttarkashi, killing four people, leaving at least 60 people missing.<\/p>\n<h2>About Flash Floods and Cloudbursts<\/h2>\n<figure id=\"attachment_344060\" aria-describedby=\"caption-attachment-344060\" style=\"width: 407px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-344060\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/08\/Source-Livemint.jpg?resize=407%2C228&#038;ssl=1\" alt=\"\" width=\"407\" height=\"228\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/08\/Source-Livemint.jpg?resize=300%2C168&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/08\/Source-Livemint.jpg?resize=768%2C431&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/08\/Source-Livemint.jpg?w=892&amp;ssl=1 892w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/><figcaption id=\"caption-attachment-344060\" class=\"wp-caption-text\">Source &#8211; Livemint<\/figcaption><\/figure>\n<ul>\n<li>A flash flood occurs when an <strong>overwhelming quantity of water rushes into an area over a very short time<\/strong> &#8211; often within minutes or hours of intense rainfall.<\/li>\n<li>In some cases, they are <strong>triggered by<\/strong> sudden <strong>dam breaches or obstructions in rivers<\/strong> giving way.<\/li>\n<li><strong>Features<\/strong>\n<ul>\n<li>Unlike <strong>regular floods<\/strong> that rise gradually, flash floods strike <strong>swiftly and with force<\/strong>.<\/li>\n<li>Water <strong>levels can rise in under 30 minutes<\/strong>, catching people <strong>off guard<\/strong> and leaving little time to evacuate.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Common causes of flash floods include:<\/strong>\n<ul>\n<li>Intense rainfall over a short duration<\/li>\n<li>Steep slopes that rapidly channel water downhill<\/li>\n<li>Urban drainage systems that prevent water absorption<\/li>\n<li>Dry or hardened ground, especially after drought or wildfires<\/li>\n<li>Sudden release of blocked water or dam breaches<\/li>\n<\/ul>\n<\/li>\n<li><strong>Past examples<\/strong>\n<ul>\n<li><strong>India \u2013 2013, Uttarakhand<\/strong> disaster where flash floods, triggered by melting glaciers and torrential rain, left thousands dead or missing.<\/li>\n<li><strong>Spain &#8211; 2018,<\/strong> a flash flood in Majorca, Spain, turned streets into rivers within an hour, killing more than a dozen people.<\/li>\n<li><strong>Germany \u2013 2021,<\/strong> floods in Germany washed away entire villages after days of relentless rain overwhelmed rivers and reservoirs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>About Cloudbursts<\/h2>\n<ul>\n<li>A cloudburst refers to an <strong>extreme amount of rain falling in a very short duration<\/strong> over a <strong>limited geographical area<\/strong>, typically less than 20-25 kilometres.<\/li>\n<li>The India Meteorological Department (<strong>IMD<\/strong>) defines a cloudburst as <strong>rainfall exceeding 100 mm per hour over a small region.<\/strong><\/li>\n<li>Cloudbursts often <strong>occur in mountainous regions<\/strong> like Himachal Pradesh, Uttarakhand, or Jammu and Kashmir.<\/li>\n<li><strong>Reason:<\/strong> It is due to orographic lift i.e. when moist air rises rapidly due to terrain and cools quickly, releasing massive rainfall.<\/li>\n<\/ul>\n<h2>Relation between Flash floods and Cloudbursts<\/h2>\n<ul>\n<li><strong>Cloudbursts<\/strong> can <strong>trigger flash floods<\/strong>, especially in hilly terrain, but they are <strong>not the same<\/strong>.<\/li>\n<li>A <strong>cloudburst<\/strong> refers to the <strong>rainfall event<\/strong>, while a <strong>flash flood<\/strong> refers to the <strong>result<\/strong> &#8211; the <strong>sudden overflow of water.<\/strong><\/li>\n<li>One can occur <strong>without<\/strong> the other.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: A cloudburst led to flash floods in the high altitude villages of Uttarkashi, killing four people, leaving at least 60 people missing. About Flash Floods and Cloudbursts A flash flood occurs when an overwhelming quantity of water rushes into an area over a very short time &#8211; often within minutes or hours of intense&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/flash-floods-and-cloudbursts\/\">Continue reading <span class=\"screen-reader-text\">Flash Floods and Cloudbursts<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,12023,11209,12039],"tags":[11872],"class_list":["post-344057","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-disaster-management-science-and-technology-daily-factly-articles","category-geography-in-news","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/344057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=344057"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/344057\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=344057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=344057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=344057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}