Photo/Illutration The estimated course of Typhoon No. 16 as of 9 a.m. on Sept. 29 (Captured from the Japan Meteorological Agency website)

The Japan Meteorological Agency is warning of powerful storms and high waves as massive Typhoon No. 16 swirled northward on Sept. 29 toward the Izu island chain south of Tokyo.

The typhoon is expected to mainly impact the Izu islands and maintain its strength as it passes through the seas south of the Kanto region on Oct. 1.

According to the JMA, the typhoon had a central barometric pressure of 935 hectopascals, maximum sustained winds of 180 kph near the center and maximum instantaneous gusts of 252 kph on the afternoon of Sept. 29.

From Sept. 30, rainfall is expected to become heavier in the Izu chain.

Eastern and northern Japan could experience severe rainfall along the Pacific side on Oct. 1.

The predicted rainfall for 24 hours through 6 p.m. on Oct. 1 was 200 to 300 mm in the most heavily affected areas of the Izu islands, 100 to 150 mm in the Tokai and Kanto regions and 50 to 100 mm in the Tohoku region.