Complex sentence: On March 6, the system moved into the Mid-Atlantic region of the east coast, and intensified into a nor'easter, dumping nearly two feet of snow in some places, and knocking out power to about 250,000 homes and businesses as of late March 6.
Split into simpler sentences: On March 6, the system moved into the Mid-Atlantic region of the east coast, and intensified into a nor'easter, dumping nearly two feet of snow in some places. The nor'easter knocked out power to about 250,000 homes and businesses, as of late March 6.