{"id":149753,"date":"2026-06-22T09:49:11","date_gmt":"2026-06-22T09:49:11","guid":{"rendered":"https:\/\/www.europesays.com\/be-fr\/149753\/"},"modified":"2026-06-22T09:49:11","modified_gmt":"2026-06-22T09:49:11","slug":"les-meteorologues-belges-interpelles-par-les-temperatures-des-prochaines-nuits-cest-lun-des-aspects-qui-minquiete-le-plus","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/be-fr\/149753\/","title":{"rendered":"Les m\u00e9t\u00e9orologues belges interpell\u00e9s par les temp\u00e9ratures des prochaines nuits: \u00ab\u00a0C’est l’un des aspects qui m’inqui\u00e8te le plus\u00a0\u00bb"},"content":{"rendered":"

Au-del\u00e0 de l’aspect statistique, l’enjeu est surtout sanitaire. \u00ab\u00a0On atteint alors des seuils qui peuvent v\u00e9ritablement poser des probl\u00e8mes de sant\u00e9 publique.\u00a0\u00bb<\/p>\n

Une canicule \u00ab\u00a0exceptionnelle\u00a0\u00bb va toucher la Belgique cette semaine : \u00ab\u00a0Nous ne sommes pas encore au sommet de l’\u00e9pisode en termes de temp\u00e9ratures\u00a0\u00bb<\/a>Quand les villes emp\u00eachent la chaleur de s’\u00e9vacuer<\/p>\n

Cette situation risque d’\u00eatre particuli\u00e8rement marqu\u00e9e dans les centres urbains, o\u00f9 le ph\u00e9nom\u00e8ne d’\u00eelot de chaleur amplifie les temp\u00e9ratures.<\/p>\n

\u00ab\u00a0J’ai r\u00e9cemment discut\u00e9 avec un sp\u00e9cialiste de l’urbanisme climatique \u00e0 Bruxelles. Il expliquait qu’en p\u00e9riode de canicule, il peut exister jusqu’\u00e0 10 \u00b0C de diff\u00e9rence entre certains quartiers tr\u00e8s urbanis\u00e9s du Pentagone et des zones proches de la for\u00eat de Soignes. En moyenne, l’\u00e9cart est plut\u00f4t de l’ordre de 3 \u00b0C, mais lors d’\u00e9pisodes extr\u00eames, il peut devenir beaucoup plus important\u00a0\u00bb, d\u00e9taille-t-il.<\/p>\n

Le m\u00e9canisme est bien connu des climatologues. Les surfaces min\u00e9rales accumulent la chaleur durant la journ\u00e9e et la rel\u00e2chent lentement pendant la nuit. \u00ab\u00a0Le b\u00e9ton, l’asphalte et les b\u00e2timents accumulent la chaleur durant la journ\u00e9e puis la restituent pendant la nuit. \u00c0 l’inverse, les espaces verts et forestiers permettent davantage de refroidissement. C’est ce qu’on appelle l’\u00eelot de chaleur urbain.\u00a0\u00bb<\/p>\n

\u00ab\u00a0Des temp\u00e9ratures inhumaines en classe\u00a0\u00bb : la circulaire sur la canicule de Val\u00e9rie Glatigny vivement critiqu\u00e9e par les syndicats<\/a>Jusqu’\u00e0 30 \u00b0C en pleine nuit ?<\/p>\n

Dans les secteurs les plus dens\u00e9ment b\u00e2tis, les cons\u00e9quences pourraient \u00eatre spectaculaires. \u00ab\u00a0Dans certains quartiers tr\u00e8s denses, il n’est donc pas impossible que les temp\u00e9ratures restent proches de 30 \u00b0C durant la nuit.\u00a0\u00bb<\/p>\n

Une telle situation emp\u00eacherait les habitations de se refroidir naturellement et compliquerait fortement le sommeil des habitants. Or les sp\u00e9cialistes rappellent que l’absence de rafra\u00eechissement nocturne constitue l’un des principaux facteurs de risque lors des \u00e9pisodes caniculaires, notamment pour les personnes \u00e2g\u00e9es, les jeunes enfants et les personnes fragilis\u00e9es.<\/p>\n","protected":false},"excerpt":{"rendered":"Au-del\u00e0 de l’aspect statistique, l’enjeu est surtout sanitaire. \u00ab\u00a0On atteint alors des seuils qui peuvent v\u00e9ritablement poser des…\n","protected":false},"author":2,"featured_media":149754,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[9],"tags":[12,13,18,17,2627,4450,45860,43,46,48966,17646,915,1801,5613,8410,29198,49,1773,22362,16533,30582,12054,685,48967,48968,4108,48969,4613,5499,5523,926,36951,8068,24795,21276,3030,3031,28258,48970,5501,31,32720,48971,32355,48972,30,7719,37167,692,693,25716,109,4135,1023,8711,48973,21271,224,5518,84,16551,2652,24053,28950,5631,15583,48974,39394,9479,32,412],"class_list":["post-149753","post","type-post","status-publish","format-standard","has-post-thumbnail","category-international","tag-be","tag-be-fr","tag-belgique","tag-belgium","tag-blue","tag-brabant","tag-brule","tag-brussels","tag-bruxelles","tag-burnt","tag-canicule","tag-capital","tag-capitale","tag-chaleur","tag-changement-climatique","tag-cinquantenaire","tag-climat","tag-climate","tag-climate-change","tag-color","tag-colour","tag-couleur","tag-day","tag-dog-days","tag-drought","tag-dry","tag-dryness","tag-eau","tag-ensoleille","tag-ete","tag-europe","tag-flora","tag-flore","tag-gazon","tag-gens","tag-grass","tag-group-of-people","tag-heat","tag-heat-wave","tag-herbe","tag-international","tag-jaune","tag-jubileum-park","tag-lawn","tag-lens-flare","tag-meteo","tag-meteorologie","tag-meteorology","tag-nature","tag-outdoors","tag-pelouse","tag-people","tag-plant","tag-saison","tag-season","tag-sec","tag-secheresse","tag-sky","tag-soleil","tag-sports","tag-summer","tag-sun","tag-sunlight","tag-sunny","tag-temperature","tag-tree","tag-turf","tag-warmth","tag-water","tag-world-news","tag-yellow"],"share_on_mastodon":{"url":"","error":"Validation failed: Text character limit of 500 exceeded"},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/149753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/comments?post=149753"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/149753\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media\/149754"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media?parent=149753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/categories?post=149753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/tags?post=149753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}