西日本にしにほんと東日本ひがしにっぽん 太平洋たいへいよう側がわ中心ちゅうしんに大気たいき非常ひじょうに不安定ふあんてい 激はげしい雨あめ注意ちゅうい

Due to the influence of a front and a low-pressure system, the atmosphere is extremely unstable, especially on the Pacific side of western and eastern Japan.

The Japan Meteorological Agency is urging people to be cautious of lightning, tornadoes, severe gusts of wind, and localized heavy rain.

[With commentary video by weather forecaster Miki Katayama] Video duration: 2 minutes 48 seconds

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According to the Japan Meteorological Agency, warm and humid air is flowing toward a front extending from a low pressure system over the Sea of Japan, making the atmosphere extremely unstable, especially on the Pacific side of western and eastern Japan, and causing heavy rain mainly in the Tokai region and southern Kyushu.

Also, the wind has been getting stronger, especially in western Japan. The maximum instantaneous wind speed in the three hours up to 11 a.m. was 26 meters per second in Wakayama City.

2 meters, at Kansai Airport in Osaka Prefecture, 24

It is set to 2 meters, etc.

The unstable atmospheric conditions are expected to continue until late at night on the 17th, and in the Tokai region, there is a risk of heavy rain accompanied by thunder, with 30 to 40 millimeters of rain per hour.

In addition, in southern Kyushu, where the start of the rainy season was announced on the 16th, there is a risk of heavy rain in Kagoshima Prefecture, with 30 to 40 millimeters per hour expected through the 18th.

The Japan Meteorological Agency is urging people to be cautious of lightning, tornadoes, severe gusts of wind, and localized heavy rain.

If there are signs that developed cumulonimbus clouds are approaching, such as sudden cold winds or the sound of thunder, please make sure to secure your safety immediately by moving into a sturdy building.