Weather pattern changes have begun over the Northern Hemisphere, with a blocking high-pressure system building over Greenland. This is a result of the Stratospheric warming event and the collapse of the Polar Vortex circulation. The main effects will be felt across North America and over northern Europe.

The Sudden Stratospheric Warming event (SSW) has left a strong mark on the Polar weather circulation and the atmosphere.

As a result, a significant high-pressure blocking system is building over Greenland and will impact the entire North American region and Europe in the coming weeks.

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