Also known as “bombogenesis,” a "bomb cyclone" can occur when a cold air mass collides with a warm air mass and rapidly intensifies over a 24-hour period, according to the National Ocean Service (NOC).

Meteorologists sometimes warn of a winter storm that could “bomb out” or become a bomb cyclone. According to the US National Oceanic and Atmospheric Administration, this happens when a

That uncertainty is not unusual at this early stage. Forecasters rely on a blend of weather models — computer simulations used to predict future conditions — and they are more confident in a forecast when most of those models are consistent with one another. The closer the storm is, the more confident forecasters become.

This coastal system could be stronger than Sunday's storm, likely bringing accumulating snow and gusty winds to the Boston area.

Maps show where the next blast of Arctic air and a potential winter storm are expected to travel this weekend, according to the latest forecast models.

It still appears that the Delaware beaches could see at least a plowable snow from a nor'easter that will form off the Southeast coast Saturday night.