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Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Overview

Severe thunderstorms brought large hail, strong winds, and a tornado to western South Dakota on June 19, 2015. Parts of the area were damaged by wind-driven hail, which killed livestock, especially around the Nisland area. Hail around the size of softballs and winds around 100 mph were reported. That storm later produced a relatively long track tornado in southern Meade County, and caused straight-line wind damage to the east-southeast—continuing across central South Dakota.

Supercell near Belle Fourche, SD, as it neared Highway 212
Supercell near Belle Fourche, SD, as it neared Highway 212
(photo by Cody Lere)

 

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