GgoogleCA first seen 13 h ago, last 13 h ago, peak #9
Polar vortex set to weaken sharply in early November
Original: polar vortex canada
Forecasters report that the Arctic stratospheric polar vortex is expected to weaken sharply in early November, a development being watched in Canada for possible impacts on winter weather. A disrupted or weakened vortex can influence the jet stream and increase the chances of cold Arctic air spilling south into central and eastern North America. Meteorologists caution that the pattern's effects typically take weeks to reach surface weather, so the timing and severity of any cold outbreak remain uncertain.
Why now: A forecast weakening of the polar vortex raises expectations of colder weather in Canada and fuel public interest in winter outlooks.
polar vortexCanadaThe Watchers
Evidence
- Arctic stratospheric polar vortex forecast to weaken sharply in early November · The Watchers - Watching the world evolve and transform
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