{"id":11490,"date":"2026-04-29T16:15:39","date_gmt":"2026-04-29T15:15:39","guid":{"rendered":"https:\/\/gwpo-gwp.org\/afrique-ouest\/?p=11490"},"modified":"2026-05-08T16:02:29","modified_gmt":"2026-05-08T15:02:29","slug":"presass-2026-perspectives-climatologiques-et-engagement-strategique-du-gwp-ao","status":"publish","type":"post","link":"https:\/\/gwpo-gwp.org\/afrique-ouest\/news\/presass-2026-perspectives-climatologiques-et-engagement-strategique-du-gwp-ao\/","title":{"rendered":"PRESASS 2026 : Perspectives Climatologiques et Engagement Strat\u00e9gique du GWP-AO"},"content":{"rendered":"\n<div class=\"wp-block-uagb-image uagb-block-2c169234 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/gwpo-gwp.org\/afrique-ouest\/wp-content\/uploads\/sites\/17\/2026\/04\/Good_group_pic.jpg\" alt=\"\" class=\"uag-image-11495\" width=\"1000\" height=\"479\" title=\"Good_group_pic\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<p>Le <strong>Forum 2026 des Pr\u00e9visions Saisonni\u00e8res des caract\u00e9ristiques Agro-hydro-climatiques (PRESASS)<\/strong> s\u2019est tenu du 20 au 24 avril 2026 \u00e0 N\u2019Djamena, Tchad. Organis\u00e9 par AGRHYMET CCR-AOS, l\u2019ANAM et la Direction des Ressources en Eau du Tchad, en collaboration avec ACMAD, les services m\u00e9t\u00e9orologiques et hydrologiques nationaux des 17 pays de la r\u00e9gion, les organismes de bassins fluviaux et les plateformes d\u2019interface utilisateurs, ce forum a permis de pr\u00e9senter les pr\u00e9visions saisonni\u00e8res pour l\u2019Afrique de l\u2019Ouest et le Sahel.<\/p>\n\n\n\n<p>Le <strong>GWP-AO<\/strong> a pris part activement \u00e0 cette rencontre, aux c\u00f4t\u00e9s des partenaires r\u00e9gionaux et internationaux, pour renforcer la coop\u00e9ration et promouvoir une meilleure utilisation des pr\u00e9visions climatiques dans la gestion des ressources en eau.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-d31a6df5 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/gwpo-gwp.org\/afrique-ouest\/wp-content\/uploads\/sites\/17\/2026\/04\/Room3.jpg\" alt=\"\" class=\"uag-image-11494\" width=\"1000\" height=\"504\" title=\"Room3\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<p><strong>Synth\u00e8se des pr\u00e9visions<\/strong><\/p>\n\n\n\n<p>Les analyses climatologiques et les pr\u00e9visions des centres mondiaux indiquent pour la saison des pluies 2026 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cumuls pluviom\u00e9triques exc\u00e9dentaires \u00e0 moyens<\/strong> dans le Sahel Centre et Est ;<\/li>\n\n\n\n<li><strong>Cumuls normaux \u00e0 d\u00e9ficitaires<\/strong> dans la zone soudanienne et le Sahel Ouest ;<\/li>\n\n\n\n<li><strong>Dates de d\u00e9marrage normales \u00e0 pr\u00e9coces<\/strong> dans le Sahel Centre et Est, mais tardives dans le Sahel Ouest ;<\/li>\n\n\n\n<li><strong>Dates de fin tardives \u00e0 moyennes<\/strong> dans le Sahel Ouest, normales \u00e0 tardives dans le Sahel Centre et Est ;<\/li>\n\n\n\n<li><strong>S\u00e9quences s\u00e8ches longues \u00e0 moyennes<\/strong> sur l\u2019ensemble des zones soudaniennes et sah\u00e9liennes ;<\/li>\n\n\n\n<li><strong>\u00c9coulements moyens \u00e0 exc\u00e9dentaires<\/strong> dans les principaux bassins fluviaux, notamment le Niger, le Tchad et la Komadougou Yob\u00e9.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-8001b937 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/gwpo-gwp.org\/afrique-ouest\/wp-content\/uploads\/sites\/17\/2026\/04\/Room2.jpg\" alt=\"\" class=\"uag-image-11493\" width=\"1000\" height=\"536\" title=\"Room2\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<p><strong>Implications<\/strong><\/p>\n\n\n\n<p>Ces pr\u00e9visions annoncent des risques contrast\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inondations<\/strong> dans les zones de pluies exc\u00e9dentaires et \u00e9coulements \u00e9lev\u00e9s ;<\/li>\n\n\n\n<li><strong>S\u00e9cheresse et d\u00e9ficit hydrique<\/strong> dans les zones de pluies d\u00e9ficitaires et s\u00e9quences s\u00e8ches prolong\u00e9es ;<\/li>\n\n\n\n<li><strong>Risques sanitaires<\/strong> li\u00e9s aux maladies hydriques et aux ravageurs agricoles ;<\/li>\n\n\n\n<li><strong>Tensions sociales<\/strong> possibles dues aux impacts sur l\u2019agriculture, l\u2019\u00e9levage et la s\u00e9curit\u00e9 alimentaire.<\/li>\n<\/ul>\n\n\n\n<p><strong>Recommandations principales<\/strong><\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-77d8b892 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/gwpo-gwp.org\/afrique-ouest\/wp-content\/uploads\/sites\/17\/2026\/04\/GWP_WA.jpg\" alt=\"\" class=\"uag-image-11491\" width=\"1000\" height=\"667\" title=\"GWP_WA\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<p>Le communiqu\u00e9 final du PRESASS recommande :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Renforcer la veille et les actions anticipatoires contre les inondations et s\u00e9cheresses ;<\/li>\n\n\n\n<li>Promouvoir des techniques agricoles climato-intelligentes et des vari\u00e9t\u00e9s adapt\u00e9es ;<\/li>\n\n\n\n<li>D\u00e9velopper des dispositifs de collecte et conservation des eaux de pluie ;<\/li>\n\n\n\n<li>Diffuser largement les pr\u00e9visions saisonni\u00e8res et conseils agrom\u00e9t\u00e9orologiques ;<\/li>\n\n\n\n<li>Encourager les assurances agricoles indicielles pour s\u00e9curiser les revenus des producteurs.<\/li>\n<\/ul>\n\n\n\n<p><strong>Conclusion<\/strong><\/p>\n\n\n\n<p>La participation du <strong>GWP-AO<\/strong> au PRESASS 2026 illustre son engagement \u00e0 accompagner les acteurs r\u00e9gionaux dans l\u2019int\u00e9gration des pr\u00e9visions climatiques dans la gestion des ressources en eau. Ces conclusions serviront de base pour renforcer la r\u00e9silience des communaut\u00e9s face aux risques climatiques et pour promouvoir une coop\u00e9ration r\u00e9gionale accrue dans le domaine de l\u2019eau et de la s\u00e9curit\u00e9 alimentaire.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-4fb41185 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/gwpo-gwp.org\/afrique-ouest\/wp-content\/uploads\/sites\/17\/2026\/04\/GWP_WA.jpg\" alt=\"\" class=\"uag-image-11491\" width=\"1000\" height=\"667\" title=\"GWP_WA\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le Forum 2026 des Pr\u00e9visions Saisonni\u00e8res des caract\u00e9ristiques Agro-hydro-climatiques (PRESASS) s\u2019est tenu du 20 au 24 avril 2026 \u00e0 N\u2019Djamena, [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":11499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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