The unresolved question this winter leaves behind is not whether Arctic air will come south again.
It is whether the systems we build next will assume the climate we used to have, or the one we now inhabit.
Bibliography
1. National Weather Service, January 2026 Storm Reports and Cooperative Observer Data Official snowfall and temperature measurements across Northeast and Great Lakes during January 21–24 storm sequence.
2. Reuters, January 23, 2026 Snow starts falling in Texas, Oklahoma as eastern US braces for winter storm Reporting on outages, ice damage, and emergency grid measures across Mid-South and Plains.
3. NOAA Climate Prediction Center, January 23, 2026 Week 3–4 Outlook Discussion Operational forecast diagnosing negative Arctic Oscillation and below-normal temperature probabilities for eastern US.
4. NOAA Climate.gov, Understanding the Arctic Polar Vortex Explainer on vortex dynamics, displacement events, and stratosphere–troposphere coupling.
5. Cohen, J. et al., Science, 2021 Linking Arctic change to extreme winter weather Peer-reviewed analysis of sea ice, snow cover, and planetary wave mechanisms.
6. IPCC AR6 Working Group I, Chapter 11 Assessment of cold extremes, circulation variability, and Arctic amplification impacts.
7. NOAA Climate Prediction Center, January 8, 2026 ENSO Diagnostic Discussion Analysis of weakening La Niña and jet-stream forcing entering mid-winter.