{"id":2080,"date":"2025-08-20T09:01:47","date_gmt":"2025-08-20T07:01:47","guid":{"rendered":"https:\/\/acriv.org\/WP\/?page_id=2080"},"modified":"2025-08-20T13:38:31","modified_gmt":"2025-08-20T11:38:31","slug":"%e2%9b%88%ef%b8%8fbriefing-meteo","status":"publish","type":"page","link":"https:\/\/acriv.org\/WP\/%e2%9b%88%ef%b8%8fbriefing-meteo\/","title":{"rendered":"\u26c8\ufe0fMTO : BRIEFING METEO"},"content":{"rendered":"\n<p>la <strong>m\u00e9thodologie de briefing m\u00e9t\u00e9o<\/strong> d\u2019un pilote, depuis la vision large (synoptique) jusqu\u2019au tr\u00e8s local (piste de d\u00e9part). C\u2019est ce que l\u2019on enseigne dans la pr\u00e9paration de vol :<strong>global \u2192 local \u2192 temps r\u00e9el<\/strong> :<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udeeb D\u00e9marche d\u2019analyse m\u00e9t\u00e9o pour un pilote<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1. <strong>Premi\u00e8re impression : m\u00e9t\u00e9o grand public<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Source :<\/strong> bulletins TV\/radio, applications m\u00e9t\u00e9o, journaux.<\/li>\n\n\n\n<li><strong>But :<\/strong> se faire une <strong>id\u00e9e g\u00e9n\u00e9rale de la situation synoptique<\/strong> :\n<ul class=\"wp-block-list\">\n<li>perturbation en approche, anticyclone, d\u00e9pression ?<\/li>\n\n\n\n<li>fronts annonc\u00e9s ?<\/li>\n\n\n\n<li>type de temps (pluvieux, orageux, stable, canicule\u2026).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u26a0\ufe0f Pas suffisant pour voler, mais aide \u00e0 poser le contexte mental.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. <strong>Observation directe du ciel (avant le briefing officiel)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>But :<\/strong> confirmer ou nuancer ce que tu sais :\n<ul class=\"wp-block-list\">\n<li>direction et force du vent (fum\u00e9es, arbres, manche \u00e0 air).<\/li>\n\n\n\n<li>type de nuages (stratus = plafonds bas, cumulus congestus = convection, cirrus = front haut en approche).<\/li>\n\n\n\n<li>visibilit\u00e9 horizontale (collines visibles ou non).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Int\u00e9r\u00eat :<\/strong> permet de d\u00e9celer si la m\u00e9t\u00e9o <strong>correspond<\/strong> aux pr\u00e9visions officielles ou si un ph\u00e9nom\u00e8ne local particulier est pr\u00e9sent.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. <strong>Analyse synoptique europ\u00e9enne<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sources :<\/strong> cartes de fronts, cartes TEMSI Europe.<\/li>\n\n\n\n<li><strong>But :<\/strong> comprendre <strong>les grands syst\u00e8mes m\u00e9t\u00e9o<\/strong> :\n<ul class=\"wp-block-list\">\n<li>o\u00f9 sont les fronts (froids\/chauds\/occlus) ?<\/li>\n\n\n\n<li>o\u00f9 sont les zones d\u2019orages, turbulence, givrage ?<\/li>\n\n\n\n<li>jet stream en altitude ?<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Usage :<\/strong>\n<ul class=\"wp-block-list\">\n<li>indispensable pour vols IFR ou longs trajets,<\/li>\n\n\n\n<li>en VFR, aide \u00e0 pr\u00e9voir la <strong>tendance du temps<\/strong> (ex : front chaud attendu l\u2019apr\u00e8s-midi).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. <strong>Analyse nationale (cartes sp\u00e9cifiques aviation)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sources :<\/strong> OPTIMET, WINTERM (en saison), TEMSI France, cartes vent\/plafond\/visi.<\/li>\n\n\n\n<li><strong>But :<\/strong> descendre en \u00e9chelle \u2192 v\u00e9rifier :\n<ul class=\"wp-block-list\">\n<li>conditions de praticabilit\u00e9 <strong>VFR<\/strong> (plafond, visi),<\/li>\n\n\n\n<li>zones de convection, orages, givrage, turbulence,<\/li>\n\n\n\n<li>\u00e9volution attendue dans la journ\u00e9e.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Usage :<\/strong>\n<ul class=\"wp-block-list\">\n<li>pour un vol VFR : est-ce jouable ou non selon la r\u00e9glementation (1500 m, 5 km, etc.) ?<\/li>\n\n\n\n<li>pour IFR : anticipation des risques (givre, turbulence).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. <strong>Donn\u00e9es r\u00e9gionales et locales<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sources :<\/strong> bulletins r\u00e9gionaux, cartes locales, pr\u00e9visions de terrain.<\/li>\n\n\n\n<li><strong>But :<\/strong> identifier :\n<ul class=\"wp-block-list\">\n<li>conditions dans les <strong>zones travers\u00e9es<\/strong> (plafond, visi, ph\u00e9nom\u00e8nes notables),<\/li>\n\n\n\n<li>sp\u00e9cificit\u00e9s locales (brouillard matinal en vall\u00e9e, effet de foehn, brise de mer\u2026).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. <strong>Donn\u00e9es a\u00e9roportuaires : TAF &amp; METAR<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TAF :<\/strong> la pr\u00e9vision <strong>future<\/strong> du terrain (d\u00e9part, arriv\u00e9e, d\u00e9routement). \u2192 Peut montrer BECMG (\u00e9volution progressive), TEMPO (variations temporaires), PROB (incertitude).<\/li>\n\n\n\n<li><strong>METAR :<\/strong> la r\u00e9alit\u00e9 <strong>actuelle<\/strong>. \u2192 Confirme si la pr\u00e9vision est correcte et si le terrain est praticable au moment du vol.<\/li>\n\n\n\n<li><strong>Usage combin\u00e9 :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Si le METAR \u2248 TAF \u2192 pr\u00e9vision coh\u00e9rente \u2192 confiance.<\/li>\n\n\n\n<li>Si le METAR \u2260 TAF \u2192 m\u00e9fiance \u2192 prudence accrue ou reconsid\u00e9ration du vol.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. <strong>Dernier filtre : observation sur place<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avant de rouler :\n<ul class=\"wp-block-list\">\n<li>observer encore une fois le ciel, le vent r\u00e9el (manche \u00e0 air), le plafond, la visi.<\/li>\n\n\n\n<li>comparer avec ce qui est pr\u00e9vu.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u26a0\ufe0f Beaucoup d\u2019accidents surviennent parce que le pilote <strong>sait d\u00e9j\u00e0 que \u00e7a ne colle pas<\/strong>\u2026 mais d\u00e9colle quand m\u00eame.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udd01 R\u00e9sum\u00e9 en \u201centonnoir m\u00e9t\u00e9o\u201d<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Grand public<\/strong> \u2192 impression g\u00e9n\u00e9rale.<\/li>\n\n\n\n<li><strong>Observation directe<\/strong> \u2192 v\u00e9rification visuelle.<\/li>\n\n\n\n<li><strong>\u00c9chelle europ\u00e9enne<\/strong> \u2192 synoptique, fronts, TEMSI.<\/li>\n\n\n\n<li><strong>\u00c9chelle nationale<\/strong> \u2192 OPTIMET, WINTERM, TEMSI France.<\/li>\n\n\n\n<li><strong>R\u00e9gional\/local<\/strong> \u2192 bulletins terrain, particularit\u00e9s.<\/li>\n\n\n\n<li><strong>TAF &amp; METAR<\/strong> \u2192 donn\u00e9es op\u00e9rationnelles des a\u00e9rodromes.<\/li>\n\n\n\n<li><strong>Observation au d\u00e9part<\/strong> \u2192 confirmation ultime avant de d\u00e9coller.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>la m\u00e9thodologie de briefing m\u00e9t\u00e9o d\u2019un pilote, depuis la vision large (synoptique) jusqu\u2019au tr\u00e8s local (piste de d\u00e9part). C\u2019est ce que l\u2019on enseigne dans la pr\u00e9paration de vol :global \u2192 local \u2192 temps r\u00e9el : \ud83d\udeeb D\u00e9marche d\u2019analyse m\u00e9t\u00e9o pour un pilote 1. Premi\u00e8re impression : m\u00e9t\u00e9o grand public 2. Observation directe du ciel (avant le briefing officiel) 3. Analyse<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/acriv.org\/WP\/%e2%9b%88%ef%b8%8fbriefing-meteo\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2080","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/comments?post=2080"}],"version-history":[{"count":2,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2080\/revisions"}],"predecessor-version":[{"id":2100,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2080\/revisions\/2100"}],"wp:attachment":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/media?parent=2080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}