TNPSC Thervupettagam

Southward Polar Vortex – US

February 3 , 2026 3 hrs 0 min 27 0
  • A severe winter storm hit the eastern two-thirds of the United States in January 2026, spreading over 2,000 miles from New Mexico and Texas to New England.
  • US President has approved federal emergency declarations for nearly 20 states and the District of Columbia.
  • The storm was caused by the southward expansion of the polar vortex, bringing Arctic air and extreme cold, with wind chills reaching -50°F (-45°C).
  • Heavy snowfall affected the Ohio Valley to the Northeast.
  • Catastrophic ice accumulation hit the Lower Mississippi Valley, Southeast, and Mid-Atlantic regions.

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