The sea surface temperature is high, and there is a possibility of a typhoon that is as strong as last year's Typhoon No. 15 at 17:13 on September 9.

It has been 9 years since the landing of Typhoon No. 15 that caused great damage to Chiba Prefecture and the Izu Islands last year.



The sea surface temperature in the south of Japan continues to be high, and the Japan Meteorological Agency cautions that typhoons with the same strength as last year's Typhoon No. 15 may approach in the future.

Typhoon No. 15 of last year developed in the southeastern waters of Kanto

According to the Japan Meteorological Agency, last year's Typhoon No. 15 occurred in the waters near Minamitorishima on September 5, continued to develop northward, and landed near Chiba on September 9 with a strong force of 960 hectopascals. ..



This typhoon continued to develop due to the high sea surface temperature in the waters southeast of the Kanto region where the Ogasawara Islands and Izu Islands are located.

Southeast sea area of ​​Kanto Sea surface temperature still high

What is the current sea surface temperature?



As of the 8th,


it was about 28.5 degrees in the east of Okinawa and off the coast of Shikoku and Tokai,


and about 29.5 degrees in the southeast of Kanto.



Of this, seawater in the eastern part of Okinawa and on the Shikoku side off Shikoku/Tokai is mixed with seawater due to the effect of typhoon No. 10, etc., and it has dropped about once compared to the normal year.



On the other hand, the sea area in the southeast of Kanto has remained about 1.5 degrees higher than normal, and the Meteorological Agency said that if a future typhoon passes through the sea area in the southeast of Kanto, which is the same as last year's typhoon No. 15, it will suddenly reach the same level of power. Is likely to develop.



In particular, in the future, the high pressure of the Pacific High will weaken and will recede to the east, so there is a danger that typhoons will approach East Japan, such as the Kanto region.

Japan Meteorological Agency "Watch out for typhoons moving southeast of the Kanto area"

Starting on the 9th, the Japan Meteorological Agency has extended the forecast of tropical cyclones that may develop into typhoons up to 5 days ahead, so that we can provide information on the course and strength at an early stage.



The Japan Meteorological Agency said, "Because typhoons traveling in this sea area should be careful, and if a tropical cyclone is confirmed, be careful enough to take early disaster prevention measures while using new forecasts." ..