Probabilities of coastal erosion - Hurricane Isaac, LA 

Probabilities of collision, overwash, and inundation for Isaac. Based on NHC forecast advisory 29 (08/28/2012), beach and dune erosion are very likely for 54% of the sandy coast between Isle Dernieres and Grand Isle. 10% of these beaches are very likely to overwash and inundation is not expected. The entire stretch of the low-elevation Chandeleur Islands is very likely to overwash. 83% of this area is very likely to be inundated.