Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

They invade lower latitudes at irregular intervals, according to the weather service. This arctic air tends to be colder than polar air. The polar vortex is a large area of low-pressure and cold ...

"The large polar vortex disruption from the second week ... the summerlike warmth and torrential rain will be replaced with cold, mostly quiet weather. "A big cool down is on the way especially ...

the weather service said they will be watching for possible frost advisories early next week, "now that the growing season has started." The polar vortex is a gigantic, circular area of cold air ...

It's also likely to annoy cold-weather haters who were ready to ditch winter until next year. Indeed, according to AccuWeather, several days with temperatures of 10-20 degrees below the historical ...

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