Overview

• The Japan Meteorological Agency confirmed Typhoon 18 formed east of the Philippines at 9 p.m. on September 18 with a central pressure of 1002 hPa, sustained winds of 18 m/s and gusts to 25 m/s.
• Typhoon 18 is moving slowly northwest and is projected to track westward, prompting the Okinawa observatory to urge caution for large swells and rough seas in the Sakishima area late this weekend.
• Typhoon 19 formed near Wake Island the same evening with a central pressure of 1004 hPa and is expected to move west then turn north around September 21.
• Three typhoons—Nos. 17, 18 and 19—formed on September 18, an occurrence the meteorological agency described as unusual.
• Separately, the Fukuoka District Meteorological Observatory issued alerts on September 19 for September 20, warning of tornadoes, strong gusts, lightning and sudden heavy rain as a developing front moves through northern Kyushu.