A powerful winter storm has disrupted transportation and business operations across parts of the Northeast United States. Weather forecasters have warned of heavy snow and strong winds. Multiple airlines cancelled thousands of flights along the East Coast, and rail services were suspended in New Jersey and Rhode Island. Officials have advised travellers to avoid travel on roads. More than 150,000 people faced power outages across the northeastern states. States of emergency have been declared in multiple states, including Massachusetts, Connecticut, Delaware, New Jersey, and Rhode Island.