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Polar Vortex Unleashes Arctic Blast Across America
31 Jan
Summary
- Eastern US faces rare, severe arctic airmass this week.
- Cold air originates from Siberia, intensifying the freeze.
- Polar vortex to drive cold surges through February.
An unprecedented arctic airmass is currently enveloping the eastern United States, making it one of the coldest regions on Earth relative to average. This intense cold snap is characterized by its rare combination of duration and magnitude.
The frigid air has origins in Siberia, contributing to its extreme nature. Climatologists confirm that the polar vortex is a significant factor, continuously influencing the weather patterns and expected to prolong these harsh conditions.
Temperatures are predicted to remain significantly below normal across the eastern US through early February. Although a slight moderation may occur, the polar vortex is poised to unleash another wave of bitterly cold air around mid-February.
This potential mid-February cold outbreak, expected between February 8-11, could be accompanied by snowfall. Meanwhile, the western half of the United States is forecasted to experience widespread warmth throughout much of February.
Experts anticipate these cold spells will continue through at least mid-February and possibly beyond. While one more stretched polar vortex event is expected in early February, predicting its precise impact remains challenging. The polar vortex is not expected to normalize until meteorological winter concludes on February 28.
