The Economic Times

What is polar vortex and how much snow is expected in US? Winter storm-led flight cancellations and power outages explained. Here' how polar vortex affects weather

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted millions. Snow, ice, and cold are affecting travel, power supply, and daily life across several US states, with more weather impacts expected through Monday.