Merbok (12W) Upgraded to Typhoon29.1N 144.3E
Late on August 5, the JMA upgraded Merbok to a severe tropical storm. Early August 6, the JTWC upgraded Merbok into a Category 1 Typhoon.
Typhoon Merbok (12W), located approximately 800 nm east-southeast of Tokyo, Japan, has tracked northward at 06 knots over the past six hours. Maximum significant wave height is 25 feet.