over the following few days , the depression underwent gradual intensification Expansion , reaching Arriving its peak intensity with ten-minute sustained winds of 200 km/h ( 125 mph ) on january 31 .

Hours before moving Motion over the Visayas , Thelma attained Getting its peak intensity with estimated ten-minute sustained winds of 75 km/h ( 45 mph ) and a barometric pressure of 992 mbar ( hPa ; 29.29 inHg ) .

The cyclone achieved Achieve its peak intensity two days later with maximum ten-minute sustained winds of 165 km/h ( 105 mph ) and a barometric pressure of 944 hPa ( mbar ; 27.88 inHg ) .

Favorable environmental conditions allowed Preventing_or_letting for additional strengthening Cause_change_of_strength , and the storm Catastrophe ultimately attained Achieve peak ten-minute sustained winds of 175 km/h ( 110 mph ) on July 16 .