 Dora turned back to the southwest on February 2, and briefly weakened before re-intensifying, possibly the result of an eyewall replacement cycle.On February 3, the MFR upgraded Dora to an intense tropical cyclone, estimating peak 10–minute winds of 195 km/h (120 mph).The JTWC meanwhile estimated peak 1–minute winds of 215 km/h (135 mph).