The National Weather Service says a major winter storm is forecast to produce heavy snow and significant ice starting in the central U.S. and moving east.

Disruption to travel is expected as National Rail warns line closures may be in place today as some sporting fixtures are postponed.

It’s the type of winter weather we see more frequently and don’t really have a tough time identifying. Snowflakes are able to reach the ground – and not turn into freezing rain or sleet – when the temperature is at or below 32 degrees from the cloud base to the ground.