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[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb520px\u00a0\u00bb custom_margin=\u00a0\u00bb-29px|auto|63px|auto||\u00a0\u00bb custom_padding=\u00a0\u00bb||21px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Source : Article adapt\u00e9 \u00e0 partir de <\/span>M\u00e9t\u00e9o-France \u2013<\/span><\/i>: <\/span>Qu\u2019est-ce que la temp\u00e9rature ? | M\u00e9t\u00e9o-France<\/span><\/a><\/p>\n La temp\u00e9rature est un \u00e9l\u00e9ment cl\u00e9 pour comprendre la m\u00e9t\u00e9o. Elle influence le climat, notre quotidien et m\u00eame les ph\u00e9nom\u00e8nes qui peuvent atteindre nos territoires. Mais que mesure-t-on exactement lorsque l\u2019on parle de temp\u00e9rature ?<\/span><\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n En m\u00e9t\u00e9orologie, <\/span>la temp\u00e9rature d\u00e9signe la temp\u00e9rature de l\u2019air, mais on peut aussi s\u2019int\u00e9resser \u00e0 la temp\u00e9rature du sol, de l\u2019eau (oc\u00e9an, lac, rivi\u00e8re), de la glace. On utilise tr\u00e8s souvent le degr\u00e9 Celsius (\u00b0C) ou le degr\u00e9 Fahrenheit (\u00b0 F). D\u2019ailleurs, <\/span>l\u2019unit\u00e9 scientifique officielle est le kelvin (K), utilis\u00e9 notamment en recherche.<\/span><\/p>\n Tips : <\/span>L\u2019\u00e9chelle Kelvin et l\u2019\u00e9chelle Celsius diff\u00e8rent uniquement par leur origine :<\/span> En physique, la temp\u00e9rature caract\u00e9rise l\u2019agitation mol\u00e9culaire de la mati\u00e8re. Plus les mol\u00e9cules ou les atomes s’agitent vite, plus la temp\u00e9rature est \u00e9lev\u00e9e.<\/span><\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n La temp\u00e9rature est mesur\u00e9e gr\u00e2ce \u00e0 un thermom\u00e8tre. En m\u00e9t\u00e9orologie, la mesure suit des r\u00e8gles tr\u00e8s pr\u00e9cises :<\/span><\/p>\n Ces conditions permettent d\u2019obtenir une mesure fiable de la temp\u00e9rature de l\u2019air.<\/span><\/p>\n Les mesures sont standardis\u00e9es \u00e0 l\u2019\u00e9chelle mondiale selon les normes de l\u2019Organisation m\u00e9t\u00e9orologique mondiale (OMM), ce qui permet de comparer les donn\u00e9es entre pays.<\/span><\/p>\n En m\u00e9t\u00e9orologie, <\/span>on s\u2019int\u00e9resse \u00e9galement \u00e0 la temp\u00e9rature sur toute la hauteur de l\u2019atmosph\u00e8re<\/span>. Pour ce faire, des ballons\u00a0 \u00e9quip\u00e9s de capteurs permettent de conna\u00eetre la temp\u00e9rature en altitude. Certains satellites permettent aussi d’\u00e9tablir la temp\u00e9rature de l’air.<\/span><\/p>\n [\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/03\/ballon-et-satellite.png\u00a0\u00bb title_text=\u00a0\u00bbballon-et-satellite\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n Ballon-sonde \u00a9 M\u00e9t\u00e9o-France – Satellite MTG-I1 \u00a9 Eumetsat<\/span><\/i><\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n La temp\u00e9rature est un param\u00e8tre cl\u00e9 pour comprendre et pr\u00e9voir la m\u00e9t\u00e9o. Elle <\/span>pr\u00e9sente des int\u00e9r\u00eats multiples car permet de mettre en \u00e9vidence la cr\u00e9ation de perturbations tel que le d\u00e9veloppement orageux (air chaud dans les basses couches et de l\u2019air froid en altitude) par exemple.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n Dans la Cara\u00efbe, les temp\u00e9ratures sont homog\u00e8nes, mais des records ont \u00e9t\u00e9 observ\u00e9s :<\/span><\/p>\n 2023\u20132024 : records de chaleur r\u00e9p\u00e9t\u00e9s dans toute la Cara\u00efbe, plusieurs territoires ont enregistr\u00e9 leurs temp\u00e9ratures moyennes les plus \u00e9lev\u00e9es (<\/span>Caribbean Climate Outlook Newsletter<\/span><\/a>)<\/p>\n [\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\nLa temp\u00e9rature, c\u2019est quoi ?<\/b><\/h2>\n
<\/span>Tkelvin = Tcelsius + 273,15<\/span>
<\/span>Une variation d\u2019un degr\u00e9 est identique dans les deux \u00e9chelles.<\/span><\/p>\nComment mesure-t-on la temp\u00e9rature ?<\/b><\/h3>\n
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Pourquoi la temp\u00e9rature est-elle si importante ?<\/b><\/h3>\n
Temp\u00e9ratures dans la Cara\u00efbe : quelques rep\u00e8res<\/b><\/b><\/h3>\n
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