Saola formed as a tropical depression over the western Pacific Ocean on July 28, 2012, and strengthened to a tropical storm the same day, Unisys Weather reported. By July 30, Saola was a typhoon, and the U.S. Navy’s Joint Typhoon Warning Center (JTWC) reported that the storm had maximum sustained winds of 65 knots (120 kilometers per hour) with gusts up to 80 knots (150 kilometers per hour).