December Weather May Shift As Polar Vortex Weakens Fast
• The polar vortex is expected to weaken early, potentially causing prolonged cold in parts of the U.S. during December.
• Sudden stratospheric warming can disrupt the polar vortex, allowing Arctic air to spill into mid-latitudes.
• Historically rare, this early weakening could lead to a colder, longer winter, especially in the central and eastern U.S.
Polar vortex weakening could alter December weather
The polar vortex, a large area of low pressure and cold air surrounding the Earth's poles, is predicted to weaken earlier than usual this year. This phenomenon could significantly alter December weather patterns, potentially leading to prolonged periods of cold across parts of the United States.
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