Answer :

brittanycandace
It means (in scientific terms) that weather is coming from the continent (south or north pole and it's cold. (polar) 


I am in 5th grade and I learned this 1 week ago: There are 4 types of air masses : Maritime polar, Maritime tropical ,Continental polar, and Continental tropical

The Continental polar is an air mass that brings cold, dry air and they are somewhere in the Artic.