 During the next two days, Sandy's remnants drifted northward and then northeastward over Ontario, before merging with another low pressure area over Eastern Canada, on November 2.As early as October 23, while Sandy was developing in the Caribbean, the European Centre for Medium-Range Weather Forecasts (ECMWF) predicted the storm would strike the East Coast of the United States, while most other tropical cyclone forecast models anticipated the storm would move out to sea.By the next day, various computer models agreed that Sandy would interact with a trough over the eastern United States and turn to the west.