this post was submitted on 24 Jan 2025
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Science Memes

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Wobble Wobble (mander.xyz)
submitted 4 days ago by [email protected] to c/[email protected]
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[–] [email protected] 11 points 3 days ago* (last edited 3 days ago)

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