Atmospheric instability Northern Japan and East Japan are wary of heavy rains and storms October 4: 12:10

Atmospheric conditions are unstable in northern and eastern Japan due to the effects of low pressure and the front, and it is necessary to be wary of heavy rains, storms, and high waves. In rainy areas, the temperature is expected to rise in the afternoon, so beware of heat stroke.

According to the Japan Meteorological Agency, warm and humid air flows into the low pressure and front that changed from Typhoon No. 18, and the atmosphere is unstable in northern and eastern Japan.

In the 1 hour period until 10:00 am, the Ministry of Land, Infrastructure, Transport and Tourism observed a very heavy rain of 51 mm with a rain gauge installed in Hiroo Town, Hokkaido.

Since the low pressure and the front gradually move eastward, there is a risk that Hokuriku will experience heavy rain locally on the 4th night, and Northern Japan may experience very heavy rain locally on the 5th day.

The amount of rain that falls in the 24-hour period until the morning of the 5th is expected to be 150 mm in Hokkaido and 120 mm in Hokuriku and Tohoku.

Around the Hokuriku and Tohoku areas of Japan Sea, very strong wind blows over the night of the 4th, and the sea is expected to be a big deal. Maximum wind speed is 23 meters in Hokuriku, 20 meters in Tohoku, and maximum instantaneous wind speed is 30 meters. Is expected to reach 35 meters.

The Japan Meteorological Agency is wary of earth and sand disasters, low land inundation, and flooding of rivers in eastern and northern Japan, and calls for storms and high waves in Hokuriku and Tohoku.

Pay close attention to gusts of lightning and tornadoes. On the other hand, in rainy areas, the temperature is expected to rise fine in the afternoon.

The highest temperature during the day is expected to be 32 degrees in Saitama City, Shizuoka City and Kochi City, 31 degrees in central Tokyo, Hiroshima City, Kagoshima City, and 30 degrees in Osaka City and Matsuyama City. The

Attention should also be paid to heat stroke, such as frequent hydration.