The world, in perspective.

<p>Disruption to winds above Arctic threatens to alter weather patterns across parts of continent in coming weeks</p><p>The stratospheric polar vortex over the northern hemisphere is facing the prospect of an unusually early weakening. Forecast models suggest it could weaken significantly over the next 10 days, when it would typically be strengthening.</p><p

Si le phénomène n’est pas rare, son «apparition dès le début du mois de novembre serait exceptionnelle», indique la Chaîne météo.