{"id":96381,"date":"2026-08-10T13:58:43","date_gmt":"2026-08-10T14:58:43","guid":{"rendered":"https:\/\/www.verificat.cat\/?p=96381"},"modified":"2026-08-10T14:55:40","modified_gmt":"2026-08-10T15:55:40","slug":"medios-olas-de-calor-verano","status":"publish","type":"post","link":"https:\/\/www.verificat.cat\/es\/medios-olas-de-calor-verano\/","title":{"rendered":"\u00bfPor qu\u00e9 los medios no se ponen de acuerdo en cu\u00e1ntas olas de calor llevamos este verano?"},"content":{"rendered":"<figure class=\"wp-block-post-featured-image\"><img decoding=\"async\" width=\"1500\" height=\"890\" src=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Mapa de temperatures de Meteocat pel 9 d&#039;agost\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor.jpg 1500w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-300x178.jpg 300w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-1024x608.jpg 1024w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-768x456.jpg 768w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-1200x712.jpg 1200w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-1400x831.jpg 1400w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/figure>\n\n<style>html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu .wp-block-navigation-submenu__toggle img{margin-left:12px}html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu ul.isHorizontal li{text-align:right}html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu ul.isHorizontal li a 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has-child-selected wp-block-navigation language_post\"><div class=\"block-editor-block-list__block wp-block wp-block-navigation-item has-link has-child wp-block-navigation-submenu\"><div id=\"\" class=\"\"><ul class=\"horizontal-list  hasSpacing isHorizontal\" style=\"--language-spacing:16px;flex-wrap:nowrap\" data-is-drop-zone=\"true\"><li class=\"wp-block-navigation-item \" data-wpml=\"language-item\"><div><a class=\"wp-block-navigation-item__content\" data-wpml=\"link\" href=\"https:\/\/www.verificat.cat\/\" aria-label=\"Cambiar a Catal&agrave;\"><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">Catal&agrave;<\/span><\/a><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"current-language-item\"><div><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">Castellano<\/span><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"language-item\"><div><a class=\"wp-block-navigation-item__content\" data-wpml=\"link\" href=\"https:\/\/www.verificat.cat\/en\/\" aria-label=\"Cambiar a English\"><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">English<\/span><\/a><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"language-item\"><div><a class=\"wp-block-navigation-item__content\" data-wpml=\"link\" href=\"https:\/\/www.verificat.cat\/fr\/\" aria-label=\"Cambiar a Fran&ccedil;ais\"><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">Fran&ccedil;ais<\/span><\/a><\/div><\/li><\/ul><\/div><\/div><\/div>\n\n\n<div class=\"post_single_data wp-block-post-date\"><time datetime=\"2026-08-10T13:58:43+02:00\">10 de agosto de 2026<\/time><\/div>\n\n<div class=\"taxonomy-category post_single_category wp-block-post-terms\"><a href=\"https:\/\/www.verificat.cat\/es\/category\/verificaciones\/canvi-climatic-verificaciones\/\" rel=\"tag\">Cambio Clim\u00e1tico<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.verificat.cat\/es\/category\/verificaciones\/ciencia-verificaciones\/\" rel=\"tag\">Ciencia<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.verificat.cat\/es\/category\/verificaciones\/\" rel=\"tag\">Verificaciones<\/a><\/div>\n\n\n<p class=\"wp-block-paragraph\">Las temperaturas vuelven a subir en Catalunya esta semana, por ahora sin que las agencias meteorol\u00f3gicas hayan emitido avisos por ola de calor. El t\u00e9rmino, en cambio, estuvo muy presente en la actualidad informativa del mes de <a href=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2026\/08\/01082854\/ABCM_2026_07.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">julio, el m\u00e1s caluroso jam\u00e1s registrado<\/a> en el pa\u00eds, con titulares que, a veces, parec\u00edan contradecirse unos a otros. La tercera ola de calor de este verano, por ejemplo, se inici\u00f3 el 12 de julio, seg\u00fan algunos medios mientras que, para otros, la fecha de inicio fue el d\u00eda 21, y un tercer grupo incluso la situ\u00f3 el d\u00eda 29, cuando para algunos comenz\u00f3 un cuarto episodio extremo. \u00bfC\u00f3mo se explica este baile de fechas?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las aparentes contradicciones muestran la diferencia entre predicciones y observaciones, y reflejan las diferentes formas con las que el Servei Meteorol\u00f2gic de Catalunya (Meteocat) y la Agencia Estatal de Meteorolog\u00eda (Aemet) definen las oleadas de calor. El fen\u00f3meno, de hecho, <a href=\"https:\/\/aemetblog.es\/2024\/07\/24\/preguntas-y-respuestas-sobre-las-olas-de-calor\/#:~:text=de%20avisos%20especiales.-,%C2%BFExiste%20una%20definici%C3%B3n%20%C3%BAnica%20de%20ola%20de%20calor%3F,-No%20existe%20una\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">no tiene una definici\u00f3n homog\u00e9nea<\/a>, y cada pa\u00eds aplica una distinta. \u00a1Te lo explicamos!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cuatro alertas por ola de calor en Catalu<\/strong>nya<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El  Servei Meteorol\u00f2gic de Catalunya considera que, para que un episodio c\u00e1lido sea <a href=\"https:\/\/govern.cat\/salapremsa\/notes-premsa\/837716\/servei-meteorologic-catalunya-meteocat-emet-avis-perill-calor-lany\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">una ola de calor<\/a>, las temperaturas deben superar unos determinados <a href=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2026\/07\/16102355\/Llindars_municipi_2026.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">umbrales de temperatura m\u00e1xima<\/a>, que son distintos por cada municipio y se considera provocan una situaci\u00f3n de peligro. Concretamente, las lecturas deben encontrarse durante un m\u00ednimo de tres d\u00edas consecutivos entre el 2% de los valores m\u00e1s elevados de todas las temperaturas registradas en los meses de verano (junio, julio y agosto) de los \u00faltimos 15 a\u00f1os, o por encima de los 40 grados, para que un municipio est\u00e9 en ola de calor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El fen\u00f3meno puede afectar al conjunto del pa\u00eds si afecta a \u201cuna \u00e1rea de Catalunya suficientemente amplia\u201d, explica a Verificat el departamento de prensa del Meteocat, pero tambi\u00e9n puede ser regionalizada, ya que los umbrales difieren en cada punto del territorio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El servicio ha previsto un escenario de ola de calor para cuatro episodios c\u00e1lidos en lo que llevamos de verano. El primero en junio, entre los <a href=\"https:\/\/govern.cat\/salapremsa\/notes-premsa\/837716\/servei-meteorologic-catalunya-meteocat-emet-avis-perill-calor-lany\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">d\u00edas 21 y 24<\/a>, y los otros tres en julio (del 5 al 10, aproximadamente del 12 al 25, y el \u00faltimo a partir del d\u00eda 29), tal y como muestran sus <a href=\"https:\/\/govern.cat\/salapremsa\/notes-premsa\/843660\/servei-meteorologic-catalunya-meteocat-emet-avisos-perill-segona-onada-calor-lestiu\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">notas de prensa<\/a> y publicaciones en redes sociales (<a href=\"https:\/\/x.com\/meteocat\/status\/2076162132115427380?s=20\">1<\/a> i <a href=\"https:\/\/x.com\/meteocat\/status\/2082111333806579878?s=20\">2<\/a>). Esto ha llevado a Protecci\u00f3 Civil a activar en fase de alerta por calor intenso el Pla PROCICAT<a href=\"https:\/\/govern.cat\/salapremsa\/cercador?startDate=2026-06-19T00:00:00.000Z&amp;endDate=2026-08-04T23:59:59.999Z&amp;query=procicat\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"> en cuatro ocasiones<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Dos oleadas confirmadas de las cuatro previstas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sin embargo, s\u00f3lo dos de los episodios \u2014los dos primeros\u2014 <a href=\"https:\/\/x.com\/meteocat\/status\/2082435586162360831\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">han sido confirmados<\/a> como olas de calor posteriormente. \u00abUna vez pasada la posible ola, el equipo de control de calidad de datos y climatolog\u00eda analiza en detalle si se han cumplido todas las superaciones de umbrales que estaban previstas\u00bb, explica a Verificat el departamento de prensa del Meteocat, \u00abo si bien nos hemos quedado a las puertas y estrictamente no se puede considerar una ola de calor, sino un episodio de calor\u00bb.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Precisamente, la tercera ola de calor prevista (que deb\u00eda empezar el 12 de julio) fue finalmente descartada por los meteor\u00f3logos. Esto explica que, ante el cuarto aviso por posible ola de calor (que deb\u00eda empezar el d\u00eda 29 de julio), algunos medios hicieran titulares anunciando la \u201ctercera\u00bb. Este \u00faltimo episodio, por cierto, tampoco lo ha terminado siendo.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-flourish wp-block-embed-flourish\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Interactive or visual content\" src=\"https:\/\/flo.uri.sh\/visualisation\/29930250\/embed#?secret=q8iUG6A8zr\" data-secret=\"q8iUG6A8zr\" frameborder=\"0\" scrolling=\"no\" height=\"575\" width=\"700\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tambi\u00e9n la duraci\u00f3n de los episodios puede cambiar a medida que pasan los d\u00edas: la que empez\u00f3 el 29 de julio, por ejemplo, <a href=\"https:\/\/govern.cat\/salapremsa\/notes-premsa\/856416\/calor-mante-intensa-risc-dincendi-forestal-continuara-elevat-propers-dies\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">deb\u00eda alargarse hasta mediados de la primera semana de agosto<\/a> en las previsiones iniciales, pero termin\u00f3 <a href=\"https:\/\/govern.cat\/salapremsa\/notes-premsa\/857236\/proteccio-civil-desactiva-lalerta-del-procicat-calor-posa-prealerta-pla-inuncat-previsio-tempestes-dissabte\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">concluyendo el d\u00eda 31 de julio<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La Aemet distingue entre adversidad y clima<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aemet, por su parte, habla de ola de calor <a href=\"https:\/\/aemetblog.es\/2024\/07\/24\/preguntas-y-respuestas-sobre-las-olas-de-calor\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">en dos supuestos diferentes<\/a>, y siempre pone el alcance territorial en el centro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Los avisos especiales de ola de calor:<\/strong> se emiten antes del evento, cuando se esperan temperaturas m\u00e1ximas muy elevadas que supongan<a href=\"https:\/\/www.aemet.es\/documentos\/es\/eltiempo\/prediccion\/avisos\/plan_meteoalerta\/plan_meteoalerta.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"> un riesgo para la salud<\/a> (avisos naranja y rojo) en al menos el 10% de las zonas de la Pen\u00ednsula y Baleares, durante al menos tres d\u00edas de cuatro consecutivos. El criterio clave es la adversidad.<\/li>\n\n\n\n<li><strong>El an\u00e1lisis climatol\u00f3gico:<\/strong> una vez terminado el verano, la agencia eval\u00faa el n\u00famero de d\u00edas en ola de calor, que ahora define como episodios \u201cde al menos tres d\u00edas consecutivos, en los que al menos el 10% de las estaciones que se consideran por este estudio registran m\u00e1ximas por encima del percentil 95 (entre el 5% m\u00e1s alto) de su serie de temperaturas 1971-2000\u201d. El criterio es puramente climatol\u00f3gico.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-flourish wp-block-embed-flourish\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Interactive or visual content\" src=\"https:\/\/flo.uri.sh\/visualisation\/29930308\/embed#?secret=PX6m2s6Wog\" data-secret=\"PX6m2s6Wog\" frameborder=\"0\" scrolling=\"no\" height=\"575\" width=\"700\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La agencia incluye en ambos casos la persistencia y el alcance territorial, pero el fondo cambia. Los avisos previos tienen \u00abel objetivo fundamental de informar a la poblaci\u00f3n de que llega un fen\u00f3meno meteorol\u00f3gico adverso\u00bb con un \u00abpeligro importante\u00bb, mientras que los an\u00e1lisis posteriores buscan evaluar la evoluci\u00f3n de las temperaturas extremas en Espa\u00f1a desde el punto de vista climatol\u00f3gico. As\u00ed lo explica a Verificat Rub\u00e9n del Campo, portavoz de la Aemet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De acuerdo con estos criterios, Aemet ha enviado avisos por cuatro olas de calor (todas ellas con afectaci\u00f3n en Catalunya) que han ocupado 14 d\u00edas de lo que llevamos de verano, por las que ha enviado un total de 15 avisos especiales que actualizaban la previsi\u00f3n a medida que pasaban los d\u00edas. As\u00ed, en algunas ocasiones el calor se ha alargado m\u00e1s de lo previsto inicialmente (el caso de la segunda), y en otras se ha acortado (en el caso de la \u00faltima).<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-flourish wp-block-embed-flourish\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Interactive or visual content\" src=\"https:\/\/flo.uri.sh\/visualisation\/29930410\/embed#?secret=OZqTc9SBex\" data-secret=\"OZqTc9SBex\" frameborder=\"0\" scrolling=\"no\" height=\"575\" width=\"700\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">El n\u00famero de d\u00edas pasados \u200b\u200ben ola de calor, en cambio, es a\u00fan desconocido. La agencia la estudiar\u00e1 una vez terminado el verano, aunque el portavoz de Aemet avanza que <strong>lo m\u00e1s probable es que los d\u00edas en ola de calor climatol\u00f3gica acaben siendo m\u00e1s de los que se han previsto al enviar los avisos especiales<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Verificaci\u00f3n elaborada por Marc Masip, Ona Sindreu Cladera y Marco Nurra.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La definici\u00f3n es distinta en Catalunya y Espa\u00f1a, y los criterios para emitir avisos no son los mismos que para evaluar los fen\u00f3menos posteriormente<\/p>\n","protected":false},"author":15,"featured_media":96380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[268,265,111],"tags":[],"class_list":["post-96381","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-canvi-climatic-verificaciones","category-ciencia-verificaciones","category-verificaciones","with-featured-image"],"taxonomy_info":{"category":[{"value":268,"label":"Cambio Clim\u00e1tico"},{"value":265,"label":"Ciencia"},{"value":111,"label":"Verificaciones"}]},"featured_image_src_large":["https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/meteocat-onades-calor-1024x608.jpg",905,537,true],"author_info":{"display_name":"Marc","author_link":"https:\/\/www.verificat.cat\/es\/author\/marc\/"},"comment_info":0,"category_info":[{"term_id":268,"name":"Cambio Clim\u00e1tico","slug":"canvi-climatic-verificaciones","term_group":0,"term_taxonomy_id":268,"taxonomy":"category","description":"","parent":111,"count":108,"filter":"raw","cat_ID":268,"category_count":108,"category_description":"","cat_name":"Cambio Clim\u00e1tico","category_nicename":"canvi-climatic-verificaciones","category_parent":111},{"term_id":265,"name":"Ciencia","slug":"ciencia-verificaciones","term_group":0,"term_taxonomy_id":265,"taxonomy":"category","description":"","parent":111,"count":307,"filter":"raw","cat_ID":265,"category_count":307,"category_description":"","cat_name":"Ciencia","category_nicename":"ciencia-verificaciones","category_parent":111},{"term_id":111,"name":"Verificaciones","slug":"verificaciones","term_group":0,"term_taxonomy_id":111,"taxonomy":"category","description":"","parent":0,"count":1464,"filter":"raw","cat_ID":111,"category_count":1464,"category_description":"","cat_name":"Verificaciones","category_nicename":"verificaciones","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/comments?post=96381"}],"version-history":[{"count":3,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96381\/revisions"}],"predecessor-version":[{"id":96386,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96381\/revisions\/96386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media\/96380"}],"wp:attachment":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media?parent=96381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/categories?post=96381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/tags?post=96381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}