Weather warnings stretch from North Carolina to northern Maine, with parts of eastern Canada also affected. Heavy snow and 70mph winds have particularly impacted Delaware, Pennsylvania, New York, New Jersey, Rhode Island, Connecticut and Massachusetts. All non-essential travel has been banned in New York until midday on Monday (23 February).
The US National Weather Service has warned of very heavy snowfall rates upwards of two to three inches per hour and gusty winds of 40-70 mph will continue to batter the northeast of the US in the next few hours.
Flights from Heathrow, Gatwick, Manchester, Edinburgh and Dublin have all been impacted by the storm.