{"id":65841,"date":"2025-03-02T06:00:10","date_gmt":"2025-03-02T06:00:10","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/cascade-inversee-un-phenomene-meteo-extraordinaire"},"modified":"2025-05-06T00:23:21","modified_gmt":"2025-05-06T00:23:21","slug":"cascade-inversee-un-phenomene-meteo-extraordinaire","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire","title":{"rendered":"Cascade Invers\u00e9e : un Ph\u00e9nom\u00e8ne M\u00e9t\u00e9o Extraordinaire"},"content":{"rendered":"

par Karine Durand
\n<\/b><\/p>\n

Africa-Press – Senegal. <\/strong><\/span>Lors de vents tempe\u0301tueux, il arrive qu’un phe\u0301nome\u0300ne spectaculaire se produise sur certaines falaises: une cascade inverse\u0301e. Au lieu de couler vers le pre\u0301cipice, l’eau remonte vers le sommet !<\/p>\n

Pour obtenir une cascade inverse\u0301e, il faut un savant me\u0301lange de plusieurs parame\u0300tres: du vent a\u0300 au moins 75 km\/h, et un de\u0301bit d’eau suffisant dans la cascade, mais pas trop non plus. Plus le de\u0301bit est important, plus le vent devra e\u0302tre fort pour avoir la force de soulever toute cette eau et de la faire remonter dans le sens inverse.<\/p>\n

En dehors du vent, et des pre\u0301cipitations qui ont permis a\u0300 la cascade de gonfler, l’emplacement est e\u0301galement important: pour permettre au vent de retourner un tel volume d’eau, rien ne doit l’arre\u0302ter sur des kilome\u0300tres: voila\u0300 pourquoi les plus impressionnantes cascades inverse\u0301es se produisent le plus souvent sur les co\u0302tes, ou a\u0300 proximite\u0301 de la mer.<\/p>\n

Les deux meilleures saisons pour apercevoir des cascades inverse\u0301es sont le printemps et l’automne: l’e\u0301te\u0301, le de\u0301bit n’est pas assez important et les conditions me\u0301te\u0301o souvent calmes, et l’hiver, le de\u0301bit peut e\u0302tre trop important, ou bien l’eau comple\u0300tement gele\u0301e.<\/p>\n

De spectaculaires cascades inverse\u0301es dans les i\u0302les britanniques<\/b><\/p>\n

Le phe\u0301nome\u0300ne est possible dans n’importe quel pays, mais a\u0300 ce jour, aucune vide\u0301o impressionnante de cascade inverse\u0301e en France n’a e\u0301te\u0301 publie\u0301e. Les plus spectaculaires ont e\u0301te\u0301 filme\u0301es sur les co\u0302tes britanniques, en Australie, aux E\u0301tats-Unis, au Bre\u0301sil, au Japon et en Inde.<\/p>\n

L’E\u0301cosse et le pays de Galles sont des spots de choix pour apercevoir, assez re\u0301gulie\u0300rement, des cascades inverse\u0301es: c’e\u0301tait notamment le cas lors du passage de la tempe\u0302te Debi en novembre 2023.<\/p>\n

Les vents a\u0300 plus de 120 km\/ont inverse\u0301 le de\u0301bit d’eau de la cascade de Gwynedd sur les co\u0302tes du pays de Galles.<\/p>\n

Pour plus d’informations et d’analyses sur la Senegal<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

par Karine Durand Africa-Press – Senegal. Lors de vents tempe\u0301tueux, il arrive qu’un phe\u0301nome\u0300ne spectaculaire se produise sur certaines falaises: une cascade inverse\u0301e. Au lieu de couler vers le pre\u0301cipice, l’eau remonte vers le sommet ! Pour obtenir une cascade inverse\u0301e, il faut un savant me\u0301lange de plusieurs parame\u0300tres: du vent a\u0300 au moins 75 […]<\/p>\n","protected":false},"author":82,"featured_media":65840,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-65841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nCascade Invers\u00e9e : un Ph\u00e9nom\u00e8ne M\u00e9t\u00e9o Extraordinaire - Senegal<\/title>\n<meta name=\"description\" content=\"Lors de vents tempe\u0301tueux, il arrive qu'un phe\u0301nome\u0300ne spectaculaire se produise sur certaines falaises: une cascade inv ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cascade Invers\u00e9e : un Ph\u00e9nom\u00e8ne M\u00e9t\u00e9o Extraordinaire\" \/>\n<meta property=\"og:description\" content=\"Lors de vents tempe\u0301tueux, il arrive qu'un phe\u0301nome\u0300ne spectaculaire se produise sur certaines falaises: une cascade inv ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-02T06:00:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-06T00:23:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/03\/sm_1740884985.798516.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1233\" \/>\n\t<meta property=\"og:image:height\" content=\"721\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Cascade Invers\u00e9e : un Ph\u00e9nom\u00e8ne M\u00e9t\u00e9o Extraordinaire\",\"datePublished\":\"2025-03-02T06:00:10+00:00\",\"dateModified\":\"2025-05-06T00:23:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\"},\"wordCount\":386,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/03\/sm_1740884985.798516.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/cascade-inversee-un-phenomene-meteo-extraordinaire\",\"name\":\"Cascade Invers\u00e9e : un Ph\u00e9nom\u00e8ne M\u00e9t\u00e9o Extraordinaire - 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