暴雨来袭，提前预警、精准预报与时间赛跑 气象预警守住防灾减灾“第一道防线”

Core Viewpoint - The article highlights the severe impact of heavy rainfall in Sichuan province from July 2 to July 4, leading to significant flooding and mudslides, with effective early warning systems in place to mitigate disaster risks [3][4][5]. Group 1: Weather Impact - Sichuan experienced intense rainfall characterized by high hourly precipitation and significant cumulative rainfall, with Guangyuan City recording the highest total rainfall in the province [3][4]. - From July 2, 20:00 to July 4, 08:00, the cumulative rainfall at the Quxi River station reached 351.8 mm, with flood levels exceeding historical extremes [5]. Group 2: Emergency Response - The meteorological departments at provincial, city, and county levels collaborated to issue timely warnings, including a red alert for heavy rain, which was communicated to the public through various channels [4][5][6]. - Over 15.6 million warning messages were sent out, covering more than 40,000 individuals, which helped in gaining critical emergency response time [5]. Group 3: Specific Incidents - In Aba Prefecture, a mudslide occurred in Jiakang Village, prompting immediate evacuation orders as rainfall approached critical levels [6][7]. - In Danba County, timely alerts led to the successful evacuation of residents before a mudslide blocked a major highway, demonstrating the effectiveness of targeted warnings [8][9][10].