An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America ...
In summary, a strong polar vortex usually corresponds with a strong and stable jet stream, while a weak polar vortex leads to a weaker and wavier jet stream. The Met Office explains ...
It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter.
When it’s weak, the cold air frequently spills south. The polar vortex has been “considerably stronger” than usual this year, according to Laura Ciasto, a meteorologist with NOAA’s Climate ...
A -5C wintry mix is expected to bring snow, sleet and rain to the country, in a rare weather event as the Polar vortex ...