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Figure 2 — Polar vortex geometry, wave-2 amplitude, and 100-hPa heat flux
Figure 2 — Vortex geometry, wave-2 amplitude, and 100-hPa heat-flux diagnostics.
Chart-led research

The Polar Vortex Is Stretching: A Historic November Forecast, and the Cold Outbreak That Hasn't Happened

polar vortex, November 2026, Arctic polar vortex, sudden stratospheric warming, NASA Ozone Watch, ECMWF, vortex collapse, planetary waves, wave-2, stratospheric warming, 10 hPa, 60N zonal wind, winter 2026-2027, Arctic …

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62% relevance · 10 cited sources
Updated
Oct 29, 2026
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