Forecasters from the National Weather Service are urging residents to prepare for a powerful snowstorm that could strengthen into a “bomb cyclone” and dump up to a foot of snow in some parts of New Jersey late Friday and Saturday. In addition, the storm is likely to generate strong wind gusts — especially along the coast — that could cause tree damage and power outages. But experts aren’t ready to classify this major snowstorm as a blizzard threat — at least not yet. Snowfall predictions from 11 weather experts ahead of major weekend winter stormIn order for a snowstorm to be classified as a b…