Tropical Storm — Micronesia, Guam

2021-04-14 to 2021-04-15 · Micronesia, Guam

Event narrative

Tropical Storm Surigae began as a weak tropical disturbance well to the southwest of Weno, Chuuk. On April 9, the Joint Typhoon Warning Center (JTWC) opened Invest Area 94W on a weak circulation centered near 6N146E.

On the afternoon of April 12th a circulation could be found southeast of Yap near 6N143E. By the afternoon of the 13th the Joint Typhoon Warning Center made the circulation an invest area, Invest 94W, as it was located east of Palau near 7N138E.

The circulation became Tropical Depression 02W in the early morning of the 14th of April as it was located near 8N137E. The system continued to intensify and later in the morning of the 14th it became Tropical Storm Surigae During the evening of the 14th the tropical storm passed 50 miles north-northwest of Ngulu and 65 miles west-southwest of Yap.

Only minimal impacts were reported from Yap, where tropical storm-force conditions were not observed. Reports from Ngulu have been limited, also with little impacts experienced, but with the mention of some minor inundation along low-lying windward coastlines. There were no reported injuries or deaths.

Yap PTYA

Max Sustained winds:16kt April 14/11z

Max Gust: 26kt April 14/11z

Lowest Sea Level Pres. 1001.2mb at 14/05z-14/09z.

Rainfall for PTYA Yap from April 11/00Z to April 18/00Z was 14.80 inches.

Wider weather episode

Typhoon Surigae passed over the Republic of Palau and Yap State in the Federated States of Micronesia from April 14th to the 16th. It caused some damage across Palau, but fortunately no deaths.

Source: NOAA Storm Events Database, event_id 949412. Narrative written by the NWS forecast office that issued the report.