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

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

"The large polar vortex disruption from the second week ... Specifically, the National Weather Service in Cleveland said a couple of inches of snow are possible in northwest Pennsylvania, with ...

"The large polar vortex disruption from the second week of March is ... However, any accumulations would be minor. Specifically, the National Weather Service in Cleveland said a couple of inches of ...

The polar vortex always exists near the poles, however, it weakens during summer and strengthens during winter, says the U.S. National Weather Service,. The U.S. National Weather Service says that ...

National Weather Service predictions have temperatures ... 30s and low 40s for some areas by the end of next week. The polar vortex is a gigantic, circular area of cold air high up in the ...

A massive storm developing today is set to bring life-threatening tornadoes and potentially historic floods in what could be ...