In other words, the incoming air mass is unusually cold but not record-breaking. After a long, hot summer and fall, Floridians can look forward to nighttime temperatures in the 30s, 40s and 50s.

Shouldn’t it still be hot? Cooler air masses like the one that’s currently ... it’s not nearly as cold. As a ridge (dome) of ...

A polar continental air mass comes from eastern or north eastern Europe. It brings dry weather. As it comes from polar regions the temperature will be cold. The weather this might bring in January ...