暴风雨引发紧急疏散和警报,导致山洪暴发威胁南加利福尼亚州南部各县。 Flash floods threaten Southern California counties due to heavy storms, prompting urgent evacuations and warnings.

由于暴风雨,周六晚上向San Bernardino县和洛杉矶县部分地区发出了暴洪警报,官员敦促立即采取行动,避免造成重大破坏。 A flash flood warning was issued for San Bernardino County and parts of Los Angeles County on Saturday evening due to heavy thunderstorms, with officials urging immediate action to avoid significant damage. 这些警告是在降雨量过大之后发出的,引发了洛杉矶县的洪水警报。 The warnings followed excessive rainfall that prompted flood advisories in Los Angeles County. 威胁蔓延到克拉克县,在受影响地区各地采取紧急措施。 The threat extended into Clark County, with emergency measures advised across the affected regions.