this post was submitted on 24 Jan 2025
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Weird, we're experiencing the opposite in Europe.
That's because the polar vortex slid off the Arctic onto North America, allowing warmer air to creep northward on your side of the globe. I remember in '21, while we had record cold in the southern US, Siberia was on fire.
This. The meme is inaccurate in that the polar vortex is in fact currently unusually strong. It's just unusually shaped and oddly elongated. I hope the two following images show up correctly.
Strength of the polar vortex. Blue line is this winter:
source: http://weatheriscool.com/
Map showing the mean 500 hPa geopotential height and surface (2m) temperature anomalies for this week, as forecasted on Monday by ECMW:
source: https://charts.ecmwf.int/products/extended-anomaly-multi-param?base_time=202501200000&projection=opencharts_arctic&valid_time=202501270000
Parts of Siberia are still on fire. Slava Ukraine
Glory to the heroes and all that, but gloating over the destruction is never cool.
Particularly terrible when Russians do that, but always bad no matter who says it.