 Complete the following phrase:  Over the following four years, a 12 million project to construct storm shelters for residents across the Oklahoma City metropolitan area was enacted. The goal was to create a safer community in a tornado-prone region. By May 2003, a total of 6,016 safe rooms were constructed. On May 9, 2003, the new initiative was put to the test as a tornado outbreak in the region spawned an F4 tornado, which took a path similar to that of the Bridge CreekMoore tornado. Due to the higher standards for public safety, no one was killed by the 2003 tornado, a substantial improvement in just four years. On May 20, 2013, an 