Beware of sudden weather changes on the 26th Heavy rain in plain areas such as Tokai and Kanto North of Hokuriku Continues unusual heat
August 26, 2023 09:05
Today, the 26th, the state of the atmosphere is unstable nationwide. Even if it’s sunny, you need to be careful of sudden rain, and it seems likely that heavy rain will fall even in the plains, especially in the Tokai and Kanto Koshin areas. The Hokuriku, Tohoku, and Hokkaido continue to be exceptionally hot, so beware of heatstroke.
Beware of sudden rain
Today, the 26th, the air condition is likely to become unstable nationwide due to the influx of warm and moist air and rising temperatures. Also, around the Kanto region, cold air will flow into the sky, so rain clouds will likely develop even in the plains.
Looking at the probability of lightning strikes at 3:00 p.m., there is an “orange” area from Kyushu to Tohoku, where the probability of lightning strikes is high. Especially in the inland areas of Tokai and Kanto-Koshin, the “red” areas are large, indicating that rain clouds and thunderclouds are likely to develop, including in the plains.
It will be sunny over a wide area today, but please be careful of sudden rain and thunderstorms. In the afternoon, there will be “heavy rain” in the plains of Tokai and Kanto-Koshin, mainly along the mountains from Kyushu to Kinki. A “very heavy rain” like a waterfall is also possible. Hokuriku and Tohoku also have changeable weather, and there will be places where there will be sudden thunder and heavy rain. Be careful of showers and thunderstorms in Hokkaido as well.
Strong gusts of wind such as lightning strikes and tornadoes, as well as leopards, may occur under developed rain clouds. Pay attention to changes in the sky, and if there are signs of sudden changes in weather, move inside a safe building.
Heat stroke warning alert for Tohoku and Hokkaido
Today, the 26th, the severe lingering heat will continue throughout the day. In Tohoku and Hokkaido, the temperature will be much higher than normal for late August, and record heat will continue in some places.
The maximum temperature is likely to be around 33°C to 35°C nationwide. The temperature reached 37 degrees Celsius in Aizuwakamatsu City, Fukushima Prefecture, and 36 degrees Celsius in Tsugawa and Nagaoka City, Aga Town, Niigata Prefecture, as well as in Kyoto City. Kitami City in Hokkaido is expected to be a hot day with 35 degrees Celsius. The sweltering heat is likely to continue at 34℃ in Sapporo.
Heatstroke warning alerts are in Yaeyama, Wakayama, Kyoto, Toyama, Niigata, Yamagata, Akita, Iwate, Aomori, Oshima/Hiyama, Ishikari/Sorachi/Shiribeshi regions of Hokkaido, It has been announced in the Iburi/Hidaka region, Abashiri/Kitami/Monbetsu region. Avoid going out during hot weather as much as possible, and spend your time in a cool environment such as with an air conditioner. Also, remember to drink water before you get thirsty.
sign of bad weather
There are three major phenomena that can be precursors to a guerrilla downpour (localized downpour).
① “A black cloud is approaching”
Developed cumulonimbus clouds that bring guerrilla downpours (locally heavy rains) appear pitch black. Black clouds that appear to be moving at high speed, and the sky suddenly darkening even though it was sunny are also signs of guerrilla downpours (localized downpours).
② “I heard the sound of thunder.”
When you hear a rumbling sound, a thundercloud is approaching. Also, seeing lightning is one of the signs of guerrilla downpours (localized downpours).
③ A cold wind suddenly blew.
From the developed cumulonimbus clouds, cold wind blows down with raindrops. You also need to pay attention to changes in the wind.
If you feel any of these signs, evacuate to a safe place immediately. Also, when a thunder warning is issued or when the weather forecast says “unstable atmospheric conditions” or “sudden change in weather”, there is a possibility of torrential downpours (locally heavy rain). Please note that there is
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2023-08-26 00:05:46
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