 Wind gusts have toppled trees and that's caused power outages. About 2 million homes in the Houston metro area are in the dark. Hundreds of flights into and out of Houston are canceled or delayed because of barrel. More than 500 flights have been canceled out of Bush International Airport and more than 120 flights out of Hobby, according to tracker FlightAware. The storm came ashore this morning about 90 miles south of Houston.