Why Tropical Storm Hermine poses a menacing flood, erosion risk to Mid-Atlantic

UPDATE: Sept. 2, 2016, 2:27 p.m. EDT Projections for the storm's intensity and path are showing that even greater impacts  are likely along the Mid-Atlantic coast than previously thought. There is now the real prospect of a top 3 flood event, unfolding over several days, from Virginia to New York, with the greatest threat in central and southern New Jersey. 
The European model, which is historically among the most reliable forecast tools, is now showing the storm intensifying and movin