By Erwin Seba (Reuters) -The Atlantic hurricane season is poised to deliver another round of above-normal storms for the seventh consecutive year, the National Oceanic and Atmospheric Administration (NOAA) said on Tuesday. NOAA forecasters estimate 14 to 21 named storms, six to 10 of which will become hurricanes, with three to six of those developing into major hurricanes during the June 1 to Nov. 30 season. A tropical storm brings sustained winds of at least 39 miles per hour (63 kph), a hurricane has winds of at least 74 mph and major hurricanes pack winds of at least 111 miles per hour and …