20th: Thunderstorms and heavy rain in the afternoon, mainly in the Kanto region, severe lingering heat, and heat approaching an extremely hot day in Yokohama (weather forecaster Tomomi Yoshida, September 19, 2023) – Japan Weather Association tenki.jp
20th: Thunderstorms and heavy rain in the afternoon, mainly in the Kanto region, severe lingering heat, and heat approaching an extremely hot day in Yokohama
September 19, 2023 17:49
Tomorrow, the 20th, atmospheric conditions will be extremely unstable mainly in the Kanto-Koshin region. After the evening, rain and thunderstorms will occur in places on the plains, with localized heavy rain accompanied by thunder. The lingering heat will continue to be severe over a wide area, and the heat will approach the hottest days in Yokohama.
Atmospheric conditions are extremely unstable, especially in the Kanto-Koshin region.
Today, the 19th, there were active rain clouds and thunderclouds, mainly in Hokkaido and Tohoku, causing heavy rain in some places. Radar analysis indicates that around 110 millimeters of heavy rain has fallen near the western part of Akita City, Akita Prefecture, and information on heavy rain in a short period of time has been announced.
Hokkaido and Tohoku will continue to experience extremely unstable atmospheric conditions until dawn on the 20th. There will be rain and thunderstorms in some places, and there will be heavy rain in some places. Please be extremely cautious of landslides, flooding of low-lying areas, and rising and flooding rivers. It looks like the weather will gradually become sunny during the day tomorrow, the 20th.
The Kanto-Koshin region will experience very unstable atmospheric conditions in the afternoon tomorrow, the 20th, due to warm, humid air and cold air in the upper atmosphere. From the evening onwards, it will rain not only along the mountains but also on the plains, and in some places it is likely to be so heavy that the roads will turn into rivers, accompanied by thunder. Please be careful of landslides, flooding of low-lying areas, and rising river waters.
From the Tokai region to Kyushu and Okinawa, there will be some sunshine until around noon tomorrow, the 20th, but there will be some rain and thunderstorms in the afternoon. Be careful of lightning, gusts of wind, and sudden heavy rain.
The extremely hot summer continues
Tomorrow, the 20th, will also be extremely hot due to unseasonably warm temperatures.
Maximum temperatures from Tohoku to Kyushu and Okinawa are likely to be higher than normal. In Tohoku, the temperature is around 30℃, and in Kanto, Kyushu, and Okinawa, it is around 33℃. Temperatures in Kumagaya City, Saitama City, Yokohama City, Kofu City, and other cities are expected to reach 34 degrees Celsius, one step closer to becoming the hottest day yet. The temperature in central Tokyo is expected to reach 33 degrees Celsius, marking the 88th midsummer day this year, which will likely set another new record.
The heat continues to be unbelievable for the latter half of September. Please continue to be careful of heat stroke. Make sure to stay hydrated frequently. Please use the air conditioner appropriately when indoors to maintain a cool environment.
What is heavy rain?
Heavy rain refers to rain with an hourly rainfall of more than 30 mm and less than 50 mm. This is an image of rain falling like an overturned bucket. Also, you can get wet even with an umbrella, and about half of the people sleeping inside a wooden house will notice the rain. Outside, roads become like rivers, and cars driving on highways are at risk of “hydroplaning,” a phenomenon in which a film of water forms between the tires and the road surface, making the brakes ineffective.
In areas where heavy rain is expected, be careful of landslides, flooding of low-lying areas, and rising river levels.
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2023-09-19 08:49:38
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