降雨程度远超预期，预警机制引发质疑，美国得州洪水肆虐致数十人死亡

Core Points - The severe flooding in central Texas has resulted in at least 51 fatalities and dozens missing, with Kerr County being the hardest hit [1] - A summer camp named "Mysterious Camp" for girls was particularly affected, with 27 individuals still unaccounted for [1] - The flooding was exacerbated by an unexpected storm that caused the Guadalupe River to rise dramatically within two hours [1] Government Response - Texas Governor Greg Abbott declared a disaster emergency in 20 counties and mobilized extensive rescue efforts, with over 850 individuals rescued [2] - Abbott has requested a federal disaster declaration to secure additional resources for recovery efforts [2] - The federal government, represented by Homeland Security Secretary Kirstjen Nielsen, has pledged to assist with all available resources [2] Public Concerns - There is growing public scrutiny regarding the lack of timely evacuation warnings from the Texas government, despite prior flood warnings issued by the National Weather Service [3] - Local officials did not anticipate the severity of the rainfall, which was unprecedented for the region [3] - A proposed flood warning system in Kerr County was not implemented due to funding issues, raising questions about preparedness [3] Federal Oversight - The federal government's role in disaster response has been criticized, particularly following budget cuts that have affected the National Oceanic and Atmospheric Administration's forecasting capabilities [3] - The former NOAA director indicated that staffing reductions have weakened the forecasting system, impacting response times [3] - In response to criticism, Nielsen stated that improving weather prediction technology will be prioritized to enhance public safety [3]