Typhoon Mahwah: Latest Weather News, Forecasts, and Precautionary Measures for Okinawa and Nansei Islands

Although Typhoon No. 2 has lost one strength, the “eye of the typhoon” is still clearly visible on satellite (infrared) images. Toward the beginning of next week, it is expected to remain very strong as it will pass through areas with high sea surface temperatures.

After that, it is expected to gradually turn northward at the end of the month and slow down around the Nansei Islands.

Waves are expected to rise in the Nansei Islands before the typhoon approaches, and after the beginning of next week, the main island of Okinawa and the Sakishima Islands are expected to be extremely stormy. Also, as the typhoon approaches, the wind will get stronger, and there is a risk of rough weather.

In Okinawa, the sea has already opened and it is a season where you can swim in the sea, but please refrain from leisure activities at the sea this weekend.

Typhoon No. 2 is expected to maintain its ferocious intensity through the weekend, as it moves through areas of high sea surface temperature and the flow of winds in the upper atmosphere is suitable for typhoon development.

The typhoon is expected to move to the west around Monday, the 29th of next week, after which it will slow down and the effects of the typhoon may be prolonged in the Nansei Islands.

Since the force of the typhoon is quite strong, there is a risk that the waves will increase in the seas of Okinawa and Amami from this weekend before it approaches, and after the beginning of the week, it is expected to be severe in the main island of Okinawa and the Sakishima Islands.
Also, as the typhoon approaches, the wind will get stronger, and there is a risk that the weather will gradually become rough.

In Okinawa, the sea has already opened and it is a season where you can swim in the sea, but please refrain from leisure activities at the sea this weekend.

Each thin line in this figure represents the simulation result of the course calculated by meteorological agencies around the world. The results (members) obtained in the process of the ensemble forecast method are posted to give an image of the wide range of possible paths.

Comparing these members, it can be said that the accuracy of the forecast is high with almost no prediction error up to the point south of Okinawa, but the error increases rapidly after that. Depending on the strength of the high pressure and the movement of the pressure troughs in the upper atmosphere, it is expected that whether it will move west or turn east will change.

As the date approaches, it is expected that the error will decrease and the forecast will be fixed, so please continue to obtain new information from time to time.
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・Meteorological satellite infrared image: NICT-National Institute of Information and Communications Technology