Waterfall-like rain in Shikoku and southern Kinki Fear of wide and severe thunderstorms in the afternoon Beware of flooding of roads (Meteorological forecaster Nichinoku August 07, 2023)-Japan Weather Association tenki.jp
Waterfall-like rain in Shikoku and southern Kinki Fear of wide and severe thunderstorms in the afternoon Beware of road flooding
August 07, 2023 09:31
This morning (7th), there were places in Kochi, Tokushima, and Nara where it rained more than 50mm per hour like a waterfall. After this, it is likely that localized very heavy rain accompanied by thunder and heavy rain will fall over a wide area from Kyushu to Hokkaido. Please be careful of flooding of roads and flooding of low land.
Waterfall-like rain in local areas such as Shikoku
This morning (7th), due to the influence of the typhoon itself and the moist air around it, there are places where it is raining mainly on the Pacific side of Amami, southern Kyushu, Shikoku and Kanto. Also, as the front passes, it is raining in the eastern part of Hokkaido.
The hourly precipitation up to 9:00 am is 53.0 mm (until 4:40) in Shimokitayama Village, Nara Prefecture, 52.5 mm (until 7:34) in Yanase, Umaji Village, Kochi Prefecture, and Asahi Fukuhara, Kamikatsu Town, Tokushima Prefecture. 52.5 mm (~7:44), etc. There is a place where it rained heavily like a waterfall. (All figures are AMeDAS preliminary figures)
Watch out for widespread thunderstorms in the afternoon
On the 7th (Monday), the typhoon itself and the warm and moist air around the typhoon will flow in, so from Kyushu to Tokai and Kanto, there will be localized very heavy and heavy rain accompanied by thunder. Watch out for flooding of roads, flooding of low-lying land, flooding and flooding of rivers due to heavy rainfall in a short period of time.
From Hokuriku to Hokkaido, it seems that there will be rain and thunderstorms here and there. Even if there is a sunny day, you need to be careful of sudden changes in the weather.
To know the localized heavy rain upstream
Localized heavy rains aren’t just for rain clouds over where you are. Localized heavy rains upstream of a river can cause damage even downstream where there is no rainfall.
There are three points to know about localized heavy rain upstream. The first is that the water level of the river suddenly increases, the second is that the water in the river becomes muddy, and the third is that tree branches are washed away. Also, the siren is the signal to release the dam, so if you are near the river and hear the siren, be sure to stay away from the river.
If you are planning to go on a river leisure trip, you can check the upstream weather using a rain cloud radar to check the actual situation such as “Where are the rain clouds developing now?” Then you can rest assured.
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2023-08-07 00:31:16
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