{"id":7443,"date":"2026-04-12T17:05:09","date_gmt":"2026-04-12T15:05:09","guid":{"rendered":"https:\/\/meteo-sain-bel.fr\/wp\/blog\/le-12-avril-2026-a-15h05-jusqua-25-cm-de-neige-en-plaine-a-la-mi-avril-1973\/"},"modified":"2026-04-12T17:05:09","modified_gmt":"2026-04-12T15:05:09","slug":"le-12-avril-2026-a-15h05-jusqua-25-cm-de-neige-en-plaine-a-la-mi-avril-1973","status":"publish","type":"post","link":"https:\/\/meteo-sain-bel.fr\/wp\/blog\/le-12-avril-2026-a-15h05-jusqua-25-cm-de-neige-en-plaine-a-la-mi-avril-1973\/","title":{"rendered":"le 12 avril 2026 \u00e0 15h05 Jusqu’\u00e0 25 cm de neige en plaine \u00e0 la mi-avril 1973"},"content":{"rendered":"

M\u00e9t\u00e9o\u00a0 Republi\u00e9 via Innoreader Lire la Suite<\/a><\/p>\n

\"\"<\/p>\n

Saint-\u00c9tienne sous 25 cm de neige le 10 avril 1973<\/strong><\/em><\/p>\n

\u00a0<\/p>\n

Un retour brutal de l’hiver\u00a0!<\/h2>\n

\u00a0<\/p>\n

L’hiver 1972-1973 \u00e9tait loin de ravir les amoureux du froid et de la neige. En effet, celui-ci fut l’un des hivers les plus doux depuis des d\u00e9cennies en France avec notamment de longues p\u00e9riodes anticycloniques entre janvier, f\u00e9vrier et mars. Les chutes de neige et le temps hivernal furent ainsi trop peu fr\u00e9quents en plaine sur la France. Seules quelques averses de neige ont pu \u00eatre observ\u00e9es sur le nord du pays durant la p\u00e9riode du 12 au 17 f\u00e9vrier 1973.<\/p>\n

\u00a0<\/p>\n

N\u00e9anmoins, la situation allait brutalement changer durant le mois d’avril, alors m\u00eame que le printemps \u00e9tait d\u00e9j\u00e0 bien entam\u00e9. \u00c0 la fin de la premi\u00e8re d\u00e9cade, une coul\u00e9e d’air tr\u00e8s froid pour la p\u00e9riode d\u00e9borde du nord de l’Europe vers la France \u00e0 partir du 8 avril, envahissant rapidement tout le pays.<\/p>\n

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Situation du 9 avril 1973 sur l’Europe <\/strong><\/em>\u2013 Via Wetterzentrale<\/p>\n

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Cette arriv\u00e9e d’air froid entra\u00eene une chute parfois impressionnante des temp\u00e9ratures sur le pays avec des conditions devenant subitement bien hivernales. Le temps \u00e9tant en plus d\u00e9pressionnaire, la neige fait son apparition sur de nombreuses r\u00e9gions alors m\u00eame qu’elle \u00e9tait rest\u00e9e globalement absente durant l’hiver.<\/p>\n

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Des chutes de neige abondantes sur le centre-est\u00a0!<\/h2>\n

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C’est notamment sur le centre-est de la France que la neige fait une apparition remarqu\u00e9e entre le 9 et le 10 avril. Les flocons sont observ\u00e9s jusqu’en plaine sur ces r\u00e9gions, d\u00e9posant une couche au sol sur les villes de Lyon, Grenoble et M\u00e2con o\u00f9 la temp\u00e9rature ne d\u00e9passe d’ailleurs pas les 1\u00b0C l’apr\u00e8s-midi, chose exceptionnelle pour cette p\u00e9riode de l’ann\u00e9e.<\/p>\n

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Chutes de neige \u00e0 M\u00e2con le 10 avril 1973<\/strong><\/em> \u2013 Archives M\u00e9t\u00e9o-Villes<\/p>\n

\u00a0<\/p>\n

C’est n\u00e9anmoins sur l’est du Massif Central et les reliefs du nord de la vall\u00e9e du Rh\u00f4ne que les quantit\u00e9s de neige sont les plus importantes. On rel\u00e8ve en effet jusqu’\u00e0 23cm de neige le 10 avril du c\u00f4t\u00e9 de Privas en Ard\u00e8che, \u00e0 seulement 400m d’altitude.<\/p>\n

\u00a0<\/p>\n

Saint-\u00c9tienne est particuli\u00e8rement touch\u00e9e par ces chutes de neige abondantes et surtout particuli\u00e8rement tardives. La couche de neige atteint en effet jusqu’\u00e0 20 voire 25cm sur certains quartiers, ce qui engendre de nombreuses difficult\u00e9s et surprend de nombreux habitants.<\/p>\n

\"\"<\/p>\n

Importante couche de neige \u00e0 Saint-\u00c9tienne (42) le 10 avril 1973 <\/strong><\/em>\u2013 Archives M\u00e9t\u00e9o-Villes<\/p>\n

\u00a0<\/p>\n

De la neige est d’ailleurs observ\u00e9e encore plus au sud lors de ce retour tardif de l’hiver. En effet, certains secteurs de l’arri\u00e8re-pays m\u00e9diterran\u00e9en observent temporairement une couche au sol et des flocons sont m\u00eame observ\u00e9s jusqu’\u00e0 Marseille\u00a0!<\/p>\n

\u00a0<\/p>\n

Cet \u00e9pisode est n\u00e9anmoins rest\u00e9 tr\u00e8s temporaire, une masse d’air plus douce reprenant rapidement le dessus par la suite avec la bascule du flux \u00e0 l’ouest\/sud-ouest en altitude. Dans tous les cas, celui-ci rappelle \u00e0 quel point le temps peut brusquement changer en cette p\u00e9riode de l’ann\u00e9e, la douceur pouvant rapidement laisser place au froid et inversement.<\/p>\n

\u00a0<\/p>\n

Il est d’ailleurs int\u00e9ressant de noter qu’une situation relativement similaire se produira en cette fin de semaine sur la France. Apr\u00e8s plusieurs jours tr\u00e8s doux et m\u00eame chauds, la neige va faire son retour entre l’est du massif central et les reliefs de l’est dimanche 12 et lundi 13 mars 2026, de quoi rappeler que l’hiver n’est pas termin\u00e9 depuis bien longtemps.<\/p>\n

\u00a0<\/p>\n

\u00c0 lire \u00e9galement :<\/strong><\/h3>\n

\u00a0<\/p>\n

>>>\u00a0<\/strong>Quand la neige s’invite fin mars et d\u00e9but avril<\/a><\/p>\n

>>> M\u00e9fions-nous de la chaleur en avril car l’hiver n’est jamais loin…!<\/a><\/p>\n

>>>\u00a0Voici le retour du sable du Sahara et de la pluie de boue !<\/a><\/p>\n

>>> Retour de la neige apr\u00e8s les records de chaleur !<\/a><\/p>\n

>>> Notre bulletin m\u00e9t\u00e9o r\u00e9actualis\u00e9 quotidiennement<\/a><\/p>\n

>>> Notre compte Twitter tr\u00e8s suivi et r\u00e9f\u00e9rence dans tous les m\u00e9dias !<\/a><\/p>\n

\u00a0<\/p>\n

Auteur : Tristan Bergen<\/a><\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>","protected":false},"excerpt":{"rendered":"

M\u00e9t\u00e9o\u00a0 Republi\u00e9 via Innoreader Lire la Suite Saint-\u00c9tienne sous 25 cm de neige le 10 avril 1973 \u00a0 Un retour brutal de l’hiver\u00a0! \u00a0 L’hiver 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