Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for dangerous winter blast

PHYSorg
Jan 21, 2026, 6:30 pm55 pts
Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later this week with swaths of painful subzero temperatures, heavy snow and powerline-toppling ice.

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