Perhaps this blog will help to settle the squabble? The storm surge, according to this meteorologist, is the problem with Irene.
http://www.wunderground.com/blog/JeffMasters/article.html
I’m pretty sure from reports that folks impacted by the already realized surge-impacted areas and coming possible storm surge areas are well aware of the threat. The overwrought coverage on TV and now radio isn’t improving that situation much.
Also nice informative link!