warnings ahead of this historic march blizzard. how much snow and when and where, we're joined now. one of the last times he'll be in a suit for the next few days. >> i have those boots you don't like too. probably 12 to 18 inches here in new york city. maybe less in boston if it mixes in with a little bit of rain. not with those huge numbers we're going to see here. what is going to happen is its going to interact with the atlantic ocean and the ocean is warm. relatively warm. it's warm enough that when the storm is here, down here across the deep south when it runs up into the ocean and grabs that moisture, if you heard of lake effect snow this turns into ocean effect snow so by tonight we start to see the snow. by tomorrow morning you and ri