 At Scholes Field , sustained winds of 75 mph ( 121 km / h ) and gusts up to 100 mph ( 160 km / h ) were observed , ripping doors off the hangars . A walkway and four boats were damaged at the Hanks Creek Marina , located on the eastern shore of Sam Rayburn Reservoir , while the marina itself was deroofed . Similar impact was reported at the nearby Shirley Creek Marina . Strong winds destroyed four high steel towers , which supported power lines that traversed the northern Galveston Bay near the Houston Ship Channel . Elsewhere in eastern Texas , wind damage was relatively minor , mainly limited to shattered windows , toppled trees and power lines , and generally light impact to houses , mobile homes , buildings , farm buildings , and businesses in several counties in eastern Texas . Falling trees blocked numerous roads and struck houses and power lines , leaving approximately 52 @,@ 000 homes and businesses without electricity , most of them in the Galveston area . There were three tornadoes in the county , the first of which unroofed some buildings in Galveston . The second tornado , also touching down in Galveston , inflicted roof damage to many businesses , homes , and apartment complexes . The third tornado , spawned in League City , toppled several trees and a flag pole . In Chambers County a tornado near Kemah inflicted damage to a beach house . Another tornado in the county spawned in downtown Baytown shattered windows at a hospital , a mall , and store windows . In Polk County , a small tornado caused minor damage , totaling $ 10 @,@ 000 . 
