Water shortage in dams in Kanto Typhoon No. 7 does not rain heavily, and precipitation is significantly lower than normal (Meteorological forecaster Nichinao August 18, 2023)-Japan Weather Association tenki.jp
Water shortage at dams in the Kanto region?
August 18, 2023 at 16:03
This summer, the intense heat continues in the Kanto region, but although it is raining locally, the amount of rainfall near the important dams is decreasing. The water storage rate of the Yagisawa Dam, which is the main water source in the Kanto region, was 36% as of midnight on the 18th, less than 40%, and the ratio of the average water storage amount was also low at 49%.
Kanto dam water storage less than normal
This summer, the intense heat continues in the Kanto region. In addition, although it is raining locally, the amount of rainfall near the important dam is decreasing.
The total amount of precipitation for the 30 days up to yesterday’s 17th was 115.5 mm in central Tokyo, 95% of the normal year, but in Fujiwara, Minakami Town, Gunma Prefecture, near the dam, it was 54.5 mm, 32% of the normal year. , Minakami-machi is 49.0 mm, 26% of the average year, which is significantly lower than the average year.
According to the water source meter of the Tonegawa Dam Integrated Management Office, the current water storage capacity (water storage rate) of the effective capacity of the nine upper Tonegawa dams at midnight on the 18th is 66%. In addition, the Yagisawa Dam, which is the largest of the nine dams and serves as a key water source in the Kanto region, has a water storage rate of 36%, which is less than 40%, and the ratio of the average water storage volume is 49%, which is about half.
Kanto No heavy rain ahead Beware of localized heavy rain
The Kanto region will continue to have many sunny days, and the intense heat will continue.
Showers and thunderstorms are more likely to occur along the mountains, and heavy rain is expected locally. However, there will not be a large amount of rain that will increase the amount of water stored in the dam for a while.
There are many opportunities to use water due to the intense heat, but keep in mind that the water storage rate of dams in the Kanto region is low, so try to conserve water every day and use water carefully.
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2023-08-18 07:03:42
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