• A severe cold wave has hit the United States, causing temperatures to plummet to -22°F (-30°C) in many areas.
• The prolonged cold snap has resulted in power outages, flight cancellations, and weather-related fatalities, with damages exceeding $100 billion.
• Disturbances in the polar vortex are the primary cause, while Greenland experiences unusually warm temperatures, showcasing the complexity of global climate patterns.