Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

An Assessment of Storm Surge Risk in Coastal Communities in the Rio Grande Valley

Version 1 : Received: 11 September 2021 / Approved: 16 September 2021 / Online: 16 September 2021 (11:52:36 CEST)

How to cite: Kyne, D. An Assessment of Storm Surge Risk in Coastal Communities in the Rio Grande Valley. Preprints 2021, 2021090282 (doi: 10.20944/preprints202109.0282.v1). Kyne, D. An Assessment of Storm Surge Risk in Coastal Communities in the Rio Grande Valley. Preprints 2021, 2021090282 (doi: 10.20944/preprints202109.0282.v1).

Abstract

(1) Background: Cameron County, which is located in the Rio Grande Valley, holds historical records for storm surges with noticeable property damage, fatalities, and injuries; (2) Methods: using storm surge hazard datasets from the National Oceanic and Atlantic Agency (NOAA), and American Community Survey (ACS) 2019 datasets and Geographic Information System (GIS), the study estimates at-risk population and their socio-demographic attributes; (4) Conclusions: Estimated water levels of a storm surge could be reached up to 5 feet in category 1 event, 9 feet in category 2, 17 feet in category 3, and above 20 feet in category 4 and 5. In the category 5 event, there is an estimated 37% (159,659) of the total county’s population (434,294) will be under flooded water. Suggestions are made to better prepare and successfully evaluate.

Keywords

storm surge; coastal region; flooding risk; Rio Grande Valley

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