{"id":359115,"date":"2026-03-27T17:10:17","date_gmt":"2026-03-27T11:40:17","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=359115"},"modified":"2026-03-27T17:10:17","modified_gmt":"2026-03-27T11:40:17","slug":"rossby-waves-and-wet-bulb-temperature","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/rossby-waves-and-wet-bulb-temperature\/","title":{"rendered":"Rossby Waves and Wet Bulb Temperature"},"content":{"rendered":"<p><strong>News: <\/strong>A recent study links warming oceans with rising humid heatwaves, highlighting atmospheric processes like Rossby waves influencing large-scale heat extremes.<\/p>\n<h2>About Rossby Waves<\/h2>\n<figure id=\"attachment_359116\" aria-describedby=\"caption-attachment-359116\" style=\"width: 311px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-359116\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/03\/Source-Britannica-3.jpg?resize=311%2C370&#038;ssl=1\" alt=\"Rossby Waves and Wet Bulb Temperature\" width=\"311\" height=\"370\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/03\/Source-Britannica-3.jpg?resize=252%2C300&amp;ssl=1 252w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/03\/Source-Britannica-3.jpg?w=720&amp;ssl=1 720w\" sizes=\"auto, (max-width: 311px) 100vw, 311px\" \/><figcaption id=\"caption-attachment-359116\" class=\"wp-caption-text\">Source &#8211; Britannica<\/figcaption><\/figure>\n<ul>\n<li>Rossby waves are <strong>large horizontal atmospheric undulations<\/strong> that move <strong>westward<\/strong> and <strong>influence global weather and climate patterns<\/strong>.<\/li>\n<li><strong>Mechanism<\/strong>\n<ul>\n<li><strong>Role of coriolis effect: <\/strong>The Rossby waves <strong>form<\/strong> due to the <strong>variation of the Coriolis effect with latitude,<\/strong> which affects moving air and water.<\/li>\n<li><strong>Deflection of moving air: <\/strong>When air moves <strong>toward the poles<\/strong>, it gets <strong>deflected<\/strong> and then <strong>curves<\/strong> back to conserve its potential vorticity.<\/li>\n<li><strong>Formation of wave pattern: <\/strong>This <strong>repeated deflection<\/strong> creates a large <strong>oscillating wave pattern<\/strong> that propagates <strong>westward<\/strong>.<\/li>\n<li><strong>Heat transfer function: <\/strong>These waves help in <strong>transferring heat<\/strong> between the <strong>tropics and the poles<\/strong>, maintaining <strong>earth\u2019s energy balance<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Key types and characteristics<\/strong>\n<ul>\n<li><strong>Atmospheric rossby waves<\/strong>\n<ul>\n<li><strong>Nature and occurrence: <\/strong>These appear as <strong>large undulations in the jet stream<\/strong> and influence weather patterns over wide regions.<\/li>\n<li><strong>Ridges and troughs: <\/strong>They create <strong>ridges<\/strong>, which bring <strong>warm, dry, and high-pressure conditions<\/strong>\u00a0and <strong>troughs<\/strong>, which bring <strong>cold, wet, and low-pressure systems<\/strong> such as <strong>cyclones<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Oceanic rossby waves<\/strong>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Movement and location: <\/strong>These <strong>move slowly across ocean<\/strong> basins along the <strong>thermocline<\/strong>, which lies <strong>between warm surface water and colder deep water.<\/strong><\/li>\n<li><strong>Impact on deep water: <\/strong>Although surface changes are small, they cause <strong>significant shifts in deeper water layers<\/strong> over long time periods.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Topographic rossby waves<\/strong>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Formation: <\/strong>These are formed when <strong>physical barriers like mountains or ocean ridges disturb the normal flow of air or water.<\/strong><\/li>\n<li><strong>Effect of physical features: <\/strong>Such disturbances force the flow to <strong>adjust its path<\/strong>, leading to the development of <strong>wave patterns<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>About Wet Bulb Temperature<\/h2>\n<ul>\n<li>Wet bulb temperature is the <strong>lowest temperature<\/strong> that can be <strong>reached by air through evaporation of water<\/strong> under given conditions.<\/li>\n<li><strong>Basis:<\/strong> It is the <strong>temperature of air cooled to saturation<\/strong> (100% humidity) by <strong>evaporation<\/strong>, with <strong>heat supplied by the air parcel itself<\/strong>.<\/li>\n<li><strong>Human impact and threshold: <\/strong>Wet-bulb temperatures <strong>above about 31\u00b0C\u201331.5\u00b0C<\/strong> can <strong>prevent the human body from cooling<\/strong> through sweating and increase mortality risk.<\/li>\n<li><strong>Measurement:<\/strong> It is measured using a <strong>thermometer<\/strong> covered with a <strong>wet cloth<\/strong>, where <strong>evaporation cools the reading below dry temperature<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: A recent study links warming oceans with rising humid heatwaves, highlighting atmospheric processes like Rossby waves influencing large-scale heat extremes. About Rossby Waves Rossby waves are large horizontal atmospheric undulations that move westward and influence global weather and climate patterns. Mechanism Role of coriolis effect: The Rossby waves form due to the variation of&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/rossby-waves-and-wet-bulb-temperature\/\">Continue reading <span class=\"screen-reader-text\">Rossby Waves and Wet Bulb Temperature<\/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":[1566,11209,12039],"tags":[11872],"class_list":["post-359115","post","type-post","status-publish","format-standard","hentry","category-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\/359115","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=359115"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/359115\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=359115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=359115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=359115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}