Thelma. Severe Tropical Storm Vernon (Diding) On July 14, an area of disturbed weather formed while embedded in the near-equatorial monsoon trough in the eastern Caroline Islands. A well-defined low level circulation quickly developed, but convective activity remained limited until July 16, when both the JTWC and JMA upgraded the system into a tropical depression. Initially, the depression moved westwards towards the central Philippines while remaining disorganized. The JMA upgraded Vernon into a tropical storm at noon on July 18, and a severe tropical storm 12 hours later. At midday on July 1, the JTWC upgraded Vernon into a typhoon. Vernon began to track northwestward in the general direction of Taiwan. On July 20, the JMA estimated that Vernon reached its peak intensity, with winds of . Shortly after its peak, Typhoon Vernon began to interact with the rugged terrain of Taiwan as it skirted the eastern shore and the JTWC and JMA estimated that Vera rapidly weakened to a tropical depression on July 21. Vernon dissipated in the East China Sea on July 22 after passing the northern tip of Taiwan. Typhoon Wynne (Gening) The initial disturbance that would become Typhoon Wynne formed east of the International Date Line on July 20. Embedded in an environment of moderate wind shear, the disturbance slowly became more organized while tracking west. On July 21, the JMA classified the system as a tropical depression. Both the JTWC and JMA upgraded the depression into Tropical Storm Wynne at 06:00 UTC on July 22. After Wynne developed a central dense overcast, a large mass of deep convection, the JMA upgraded Wynne to a severe tropical storm midday on July 23. Later that day, the JTWC upgraded Wynne into a typhoon while the typhoon passed over the northern Marianas island of Alamagan. On the next day, after the storm developed an eye, the JMA followed suit and classified Wynne as a typhoon. A smaller than average typhoon, Wynne turned west-northwest. By July 26, Wynne reached its maximum intensity, with the JTWC reporting winds of and the JMA reporting winds of . of . As it rounded the western periphery of the subtropical ridge, the cyclone became sheared from the north, which caused the storm to weaken and its center to become exposed from the deep convection. Even so, it maintained typhoon intensity until July 30, according to both agencies. Recurving east of Honshū, Wynne continued