Between August 23 and August 28, 2025, multiple severe weather alerts, including severe thunderstorm warnings and flash flood warnings, were issued across parts of California, Nevada, Colorado, and Arizona. In California and Nevada, warnings covered areas such as South Lake Tahoe, Kings Beach, Tahoe Vista, Floriston, Lassen County, Reno, Sparks, Lyon County, and Imperial County. These alerts included severe thunderstorms with golf ball-sized hail and flash flood warnings extending into El Centro, Brawley, and Imperial County. In Colorado, warnings were issued for locations including Niwot, Nederland, Allenspark, Pine Grove, Aspen Park, Buffalo Creek, Lincoln County, Fort Lupton, and others, with several warnings indicating the presence of large hail. Arizona also experienced severe thunderstorm warnings and flash flood warnings in counties such as Maricopa, Imperial, Yuma, and cities including Mesa, Chandler, Gilbert, and Tolleson. The National Weather Service offices in Reno, Boulder, Phoenix, Sacramento, and KDVR provided continuous updates, extending warnings and special weather statements to various counties and cities, often specifying the duration of the warnings and the expected severity of the storms. The warnings frequently highlighted the risk of hail and flooding, with some flash flood warnings extending into the evening hours. The alerts were issued in both English and Spanish, reflecting the bilingual communication approach in affected regions.