Polar Vortex

Source:  IE Subject:  Geography Context: A polar vortex–driven winter storm swept across the United States in January 2026, bringing heavy snow, freezing rain and sub-zero temperatures to nearly 17 states, causing deaths and severe travel disruptions. About Polar Vortex: What it is? The polar vortex is a large, persistent area of low pressure and extremely …

Sudden Stratospheric Warming (SSW) Event

Source:  NW Context: Meteorologists have warned that another Sudden Stratospheric Warming (SSW) event may occur in December 2025, potentially disrupting the polar vortex and sending unusually cold Arctic air into parts of the United States. About Sudden Stratospheric Warming (SSW) Event: What is SSW? Sudden Stratospheric Warming is a rapid temperature rise (up to 50°C) …