The Brief Heavy storms are tracking west/southwest across Arizona on Monday evening, bringing torrential rain, flash flooding, and hail. Storms have a history of torrential rain, which is causing flash flooding, along with quarter and half-dollar-sized hail. Storms may bring blowing dust, damaging wind gusts and flash flooding. Be prepared and stay safe during the monsoon"Most Valley residents know how quickly and furiously storms can move in and out, bringing strong winds, dust, rain, and flash flooding. These storms can cause interruptions in services, such as water, power, and gas," stated Captain Ashley Losch of the Glendale Fire Department.