美得州洪灾死伤惨重，灾区市长含泪哭诉：“我们甚至没有收到任何预警”

Group 1 - The central viewpoint of the article highlights the severe flooding in Central Texas, particularly in Kerr County, which resulted in over 100 deaths, with local officials expressing frustration over the lack of timely flood warnings [1][5][7] - Kerrville's mayor, Joe Herring II, emotionally stated that there were no warnings received prior to the disaster, leading to significant loss of life, including friends of his [4][5] - The National Weather Service faced criticism for its delayed and insufficient flood warnings, with reports indicating that residents did not receive timely alerts despite severe flooding occurring hours earlier [7] Group 2 - President Trump declared a major disaster in Texas on July 6, and the Federal Emergency Management Agency initiated federal assistance in response to the flooding [5] - The flooding has been described as a "once in a hundred years" event, with Kerr County suffering the most casualties, including 28 children among the 84 deaths reported [5] - There are calls for an investigation into the potential impact of staffing cuts in the federal meteorological department on the effectiveness of flood warnings, as local officials had previously considered implementing a flood warning system that was never realized [7]