{"id":70540,"date":"2025-08-12T11:00:00","date_gmt":"2025-08-12T11:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/?p=70540"},"modified":"2025-08-12T07:53:31","modified_gmt":"2025-08-12T07:53:31","slug":"halo-solaire-observe-a-bangui","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui","title":{"rendered":"Halo Solaire Observ\u00e9 \u00e0 Bangui"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>La capitale de la Re\u0301publique Centrafricaine a e\u0301te\u0301 ensoleille\u0301e par un magnifique cercle halo solaire sur Bangui dans la matine\u0301e de vendredi 5 mars 2025. Cela provient de l\u2019interaction de la lumie\u0300re avec les cristaux de glace dans l\u2019atmosphe\u0300re.<\/p>\n<p>Selon la de\u0301finition scientifique un halo est un groupe de photome\u0301te\u0301ores apparaissant, a\u0300 certaines conditions, dans le ciel autour du Soleil ou de la Lune et parfois autour de sources de lumie\u0300re suffisamment puissantes comme certains lampadaires. Ils ont la forme d\u2019anneaux, d\u2019arcs, de colonnes ou de foyers lumineux et sont engendre\u0301s par la re\u0301fraction ou la re\u0301flexion de la lumie\u0300re par des cristaux de glace en suspension dans l\u2019atmosphe\u0300re (nuages).<\/p>\n<p>Pour ce faire, l\u2019expert en me\u0301te\u0301orologie et physique Rodrigue Aymard Lelongo, directeur ge\u0301ne\u0301ral de la me\u0301te\u0301orologie s\u2019en explique que cela est un phe\u0301nome\u0300ne physique que nous sortons d\u2019un ciel de\u0301gage et de l\u2019intempe\u0301rie: \u00ab pour que nous ayons ce type de phe\u0301nome\u0300ne photome\u0301te\u0301ores, la frai\u0302cheur et les nuages comportant certains nombres de substances, en Afrique centrale nous sommes dans l\u2019atmosphe\u0300re tropicale et lorsque nous quittons la surface de la terre en allant en altitude tre\u0300s haut, nous avons la tempe\u0301rature tre\u0300s basse. \u00bb<\/p>\n<p>Le fait d\u2019observer un halo nous permet de connai\u0302tre imme\u0301diatement la tempe\u0301rature du nuage, l\u2019e\u0301tat physique de l\u2019eau, la taille, la forme et l\u2019orientation des cristaux de glace. Puisque l\u2019existence de nuages est ne\u0301cessaire pour la formation des phe\u0301nome\u0300nes de halos, leur pre\u0301sence indique aussi que l\u2019air est humide en altitude. Comme les cirrus ne sont pas des nuages de pluie, les halos peuvent se former me\u0302me s\u2019il fait beau.<\/p>\n<p>Par contre, si les nuages e\u0301paississent rapidement et si des cirrostratus apparaissent, il est possible qu\u2019un front chaud ou des orages approchent et que des nimbostratus donneront des pre\u0301cipitations plus tard.<\/p>\n<p>Ce qu\u2019il faut rappeler, ce halo nai\u0302t quand la lumie\u0300re du Soleil ou de la Lune passe a\u0300 travers un cirrus ou un cirrostratus ayant des cristaux dont la forme principale est un prisme hexagonal de taille uniforme qui se forme a\u0300 des tempe\u0301ratures infe\u0301rieures a\u0300 \u221215 \u00b0C.<\/p>\n<p>Un halo est un anneau ou une lumie\u0300re qui se forme autour du soleil ou de la lune lorsque la lumie\u0300re du soleil ou de la lune se re\u0301fracte sur les cristaux de glace pre\u0301sents dans un mince voile de nuages cirrus.<\/p>\n<p>L\u2019homme tente de donner une signification spirituelle d\u2019un halo solaire qui est souvent l\u2019existence d\u2019une force dominante et d\u2019une autorite\u0301 spirituelle positive dans la vie du re\u0302veur. Tandis qu\u2019un halo autour de la lune peut refle\u0301ter l\u2019intuition, le myste\u0300re et le co\u0302te\u0301 fe\u0301minin de la spiritualite\u0301. Ou\u0300 autrefois, il prit pour une apparition divine, les me\u0301te\u0301orologues ont coutume de dire que les halos sont pre\u0301curseurs du mauvais temps. Voir un halo peut donc indiquer a\u0300 son observateur que le mauvais temps approche d\u2019ici 1 a\u0300 2 jours maximum, mais attention ce n\u2019est pas syste\u0301matique.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. La capitale de la Re\u0301publique Centrafricaine a e\u0301te\u0301 ensoleille\u0301e par un magnifique cercle halo solaire sur Bangui dans la matine\u0301e de vendredi 5 mars 2025. Cela provient de l\u2019interaction de la lumie\u0300re avec les cristaux de glace dans l\u2019atmosphe\u0300re. Selon la de\u0301finition scientifique un halo est un groupe de photome\u0301te\u0301ores apparaissant, a\u0300 [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":70539,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-70540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"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>Halo Solaire Observ\u00e9 \u00e0 Bangui - Senegal<\/title>\n<meta name=\"description\" content=\"La capitale de la Re\u0301publique Centrafricaine a e\u0301te\u0301 ensoleille\u0301e par un magnifique cercle halo solaire sur Bangui dans ...\" \/>\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\/halo-solaire-observe-a-bangui\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Halo Solaire Observ\u00e9 \u00e0 Bangui\" \/>\n<meta property=\"og:description\" content=\"La capitale de la Re\u0301publique Centrafricaine a e\u0301te\u0301 ensoleille\u0301e par un magnifique cercle halo solaire sur Bangui dans ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-12T11:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1755013764.739863.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"989\" \/>\n\t<meta property=\"og:image:height\" content=\"438\" \/>\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=\"3 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\/halo-solaire-observe-a-bangui#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Halo Solaire Observ\u00e9 \u00e0 Bangui\",\"datePublished\":\"2025-08-12T11:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui\"},\"wordCount\":580,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1755013764.739863.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\/halo-solaire-observe-a-bangui#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/halo-solaire-observe-a-bangui\",\"name\":\"Halo Solaire Observ\u00e9 \u00e0 Bangui - 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