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United States: Severe Convective Storm

After generating widespread impacts across the Plains on May 4-5, a slow-moving upper-level low resulted in torrential rainfall and severe convective storms (SCS) in the Southeast, Appalachians, and Mid-Atlantic between May 6-7 before lingering offshore from the Carolinas. Hazards included hundreds of reports of severe straight-line winds, isolated tornadoes, and large hail. Furthermore, notable flash-flooding occurred in West Virginia. Subsequently, a succession of disturbances continued an active SCS pattern across the Plains and Upper Midwest through May 12 – localities in Minnesota were particularly affected by the storms. Total economic and insured losses were expected to each reach into the hundreds of millions (USD).

Additional natural hazard events in this report included flooding in Brazil, Afghanistan, Pakistan, Thailand, China, Australia, the United States, and Canada; Tropical Cyclone Asani in India and Bangladesh; and wildfires in Russia and the United States.