sentences:  With warm waters, low amounts of vertical wind shear, and favorable upper-level outflow, Gonu strengthened further to attain peak 1-min sustained winds of 270 km/h (165 mph) and gusts to 315 km/h (195 mph), about 285 km (175 mi) east-southeast of Masirah Island on the coast of Oman.The IMD upgraded it to Super Cyclonic Storm Gonu late on June 4, with peak 3-min sustained winds reaching 240 km/h (150 mph) and an estimated pressure of 920 mbar.This made it the first super cyclonic storm in the Arabian Sea on record.