Complex sentence: The storm produced winds of 48 mph (77 km/h) at the Ronald Reagan Washington National Airport, and about 30,000 people near Washington, D.C. and 125,000 in Baltimore were left without power.
Split into simpler sentences: The storm produced winds of 48 mph (77 km/h) at the Ronald Reagan Washington National Airport. About 30,000 people near Washington, D.C. and 125,000 in Baltimore were left without power.