{"id":41364,"date":"2026-02-10T12:10:00","date_gmt":"2026-02-10T12:10:00","guid":{"rendered":"https:\/\/www.africa-press.net\/madagascar\/politique\/cyclone-gezani-alerte-jaune-a-analamanga"},"modified":"2026-02-11T04:02:41","modified_gmt":"2026-02-11T04:02:41","slug":"cyclone-gezani-alerte-jaune-a-analamanga","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/cyclone-gezani-alerte-jaune-a-analamanga","title":{"rendered":"Cyclone Gezani: Alerte Jaune \u00c0 Analamanga"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Madagascar. <\/strong><\/span>Le cyclone tropical Gezani s\u2019est nettement renforce\u0301 au large de la co\u0302te Est malgache. Selon les pre\u0301visions de Me\u0301te\u0301o Madagascar, le syste\u0300me pourrait toucher terre dans le district de Toamasina II cet apre\u0300s-midi ou dans la nuit, en atteignant le stade de cyclone tropical intense, avec des rafales annonce\u0301es autour de 250 km\/h. A\u0300 03 h locales, son centre e\u0301tait positionne\u0301 a\u0300 environ 290 km a\u0300 l\u2019Est de Toamasina, avec un vent moyen estime\u0301 a\u0300 150 km\/h et des rafales autour de 210 km\/h, tout en se de\u0301plac\u0327ant vers l\u2019Ouest a\u0300 pre\u0300s de 17 km\/h.<\/p>\n<p>Si la menace imme\u0301diate parai\u0302t d\u2019abord co\u0302tie\u0300re, la carte des risques concerne aussi l\u2019inte\u0301rieur des terres. La re\u0301gion Analamanga figure de\u0301sormais parmi les zones place\u0301es en alerte jaune. Cette alerte signifie que le cyclone menace la localite\u0301 mais le danger n\u2019est pas imme\u0301diat. Elle appelle la population a\u0300 une vigilance renforce\u0301e, a\u0300 suivre en continu les informations officielles et a\u0300 prendre des dispositions pratiques (re\u0301serves, se\u0301curisation des habitations, pre\u0301paration aux perturbations).<\/p>\n<p>Les services me\u0301te\u0301orologiques pre\u0301viennent que Gezani peut ge\u0301ne\u0301rer des cumuls importants de pluies, de l\u2019ordre de 100 a\u0300 150 mm en 24 h sur les zones affecte\u0301es, avec un risque accru d\u2019inondations, de crues rapides et de glissements de terrain. Dans une re\u0301gion urbaine dense comme Analamanga, cette combinaison pluie, saturation des sols, ruissellement rapide peut suffire a\u0300 provoquer des de\u0301ga\u0302ts majeurs, me\u0302me si le cyclone perd en intensite\u0301 en progressant dans les terres.<\/p>\n<p>Dans le sud-ouest de l\u2019oce\u0301an Indien, on parle de cyclone tropical intense lorsque les vents moyens (sur 10 minutes) atteignent environ 166 a\u0300 212 km\/h, et de cyclone tropical tre\u0300s intense au-dela\u0300. Cela explique pourquoi l\u2019intensification attendue a\u0300 l\u2019approche de la co\u0302te Est est prise tre\u0300s au se\u0301rieux.<\/p>\n<p>A quelques de\u0301tails pre\u0300s, Gezani est comparable a\u0300 des cyclones comme Giovanna (2012) qui a e\u0301te\u0301 associe\u0301 a\u0300 des vents pouvant atteindre 195 km\/h et des rafales autour de 230 km\/h, ou encore Enawo (2017), un cyclone de cate\u0301gorie 4 avec des vents indique\u0301s autour de 205\u2013230 km\/h ou encore Gafilo (2004) un cyclone de cate\u0301gorie 5, pression minimale 895 hPa et vents maximaux rapporte\u0301s a\u0300 263 km\/h.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Madagascar<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Madagascar. Le cyclone tropical Gezani s\u2019est nettement renforce\u0301 au large de la co\u0302te Est malgache. Selon les pre\u0301visions de Me\u0301te\u0301o Madagascar, le syste\u0300me pourrait toucher terre dans le district de Toamasina II cet apre\u0300s-midi ou dans la nuit, en atteignant le stade de cyclone tropical intense, avec des rafales annonce\u0301es autour de 250 [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":41363,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,10],"tags":[49],"class_list":["post-41364","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communaute","category-toutes-les-actualites","tag-madagascar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cyclone Gezani: Alerte Jaune \u00c0 Analamanga - Madagascar<\/title>\n<meta name=\"description\" content=\"Le cyclone tropical Gezani s\u2019est nettement renforce\u0301 au large de la co\u0302te Est malgache. 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