Creating Inundation Guidance from NWS's Extra-Tropical Storm Surge Model
Overland surge guidance for extra-tropical storms is now desired in support of storm surge watches and warnings critical to low-lying coastal communities. In response, MDL has enhanced the ETSS model to predict the extent of overland flooding by: 1) Re-introducing the inundation algorithm based on surge 2) Incorporating a tide algorithm to allow inundation based on surge and tide 3) Nesting the tropical and extra-tropical computational grids to leverage the finer overland details contained within tropical grids
This paper will describe details of this effort. Simulations of historical events with and without these enhancements will be discussed.