HAND-derived Riverine Flood Inundation Maps over Southeast Texas for Hurricane Ike, Hurricane Harvey & Tropical Storm Imelda

Please see the associated GitHub repo: https://github.com/markwang0/HAND_SETX/

This project contains 3-meter by 3-meter resolution GeoTIFFs of riverine flood inundation for Hurricane Ike, Hurricane Harvey and Tropical Storm Imelda. Riverine (fluvial) flood inundation was generated with the Height Above Nearest Drainage (HAND) method and flowrates from the National Water Model (NWM). Maximum flowrates from the NWM during each storm event were converted to flood stage with synthetic rating curves, and the flood stage was converted to spatial inundation. The rasters cover the Southeast Texas Counties of Newton, Jasper, Hardin, Orange and Jefferson. The units are meters of inundation above the surface. The projected coordinate reference system EPSG:5070 is used. Please note that only riverine (fluvial) flooding is shown on each raster. Pluvial flooding and storm surge are neglected.