Deadly Compound Heat Stress‐Flooding Hazard Across the Central United States

Abstract

While major advances have been made toward understanding flooding across the central United States, little is known about the linkage between heat stress, characterized by high temperature and humidity, and flooding during the summer in this area. Here, we focus on a compound event that relates these two hazards; we find that a high percentage of floods are preceded by a heat stress event. The potential impacts are significant, leading to overwhelming the current infrastructure (e.g., damaged roads, hospitals, and power grid) and to a high number of fatalities and economic damage. We show that heat stress is tied to high surface temperatures, sensible heat flux, and humidity, which all tend to enhance convective available potential energy (CAPE) and stormy weather, frequently resulting in flooding. Given that heat stress is projected to become more frequent and intense, our findings point to an associated enhanced risk of flooding throughout this area.

Document Details

Document Type
Pub Defense Publication
Publication Date
Aug 06, 2020
Source ID
10.1029/2020gl089185

Entities

People

  • Gabriele Villarini
  • Wei Zhang

Organizations

  • United States Army Corps of Engineers
  • University of Iowa

Tags

Fields of Study

  • Environmental science

Readers

  • Materials Science (Mechanical Engineering).
  • Oncology
  • Polar and Arctic Studies