The world, in perspective.

Typically at this time of year the polar vortex would be strengthening. But the early split could bring a flush of early-winter cold air to parts of Canada.

These Arctic currents have never broken down so early in the season. Combined with an unprecedented El Niño, the outcomes aren’t easy to predict.

Experţii în climatologie au observat o perturbare excepţional de timpurie a vortexului polar, o zonă de joasă presiune atmosferică situată deasupra polilor, un fenomen ale cărui consecinţe sunt încă „incerte” pentru starea vremii în Europa, au precizat agenţiile meteorologice din Franţa şi Regatul Unit pentru AFP.

Des météorologues ont observé une perturbation exceptionnellement précoce du vortex polaire. A ce stade, les conséquences sont encore incertaines mais habituellement, ce phénomène augmente le risque de vague de froid dans l'hémisphère nord.

A previous polar vortex disruption contributed to the Great Texas Freeze in 2021. This time, the ongoing "super" El Niño might offset some of the collapse's influence

An unprecedented early weakening of the polar vortex is causing uncertainty amongst experts over the impact it will have on UK weather as Simon King explains.

<p>&ldquo;Everybody&rsquo;s hair is on fire in the climate or meteorologist community&rdquo;</p>

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Vortexul polar stratosferic aflat deasupra emisferei nordice se confruntă cu perspectiva unei slăbiri mult mai rapide decât în mod obișnuit, ceea ce va duce la o perioadă cu vreme mai rece în Europa. Modelele de prognoză sugerează că acesta ar putea slăbi semnificativ în următoarele 10 zile, perioadă în care, în mod normal, ar trebui să se intensifice, relat

<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.