How long will the dangerous heat exceed body temperature? Breaking the annual record for the number of extremely hot days in central Tokyo
August 20, 2023 at 17:51
Today, the 20th (Sunday), there will be a series of extremely hot days with a maximum temperature of 35°C or higher from Kyushu to southern Tohoku. From Kinki to Tokai, it became a dangerous heat that exceeded body temperature. The number of extremely hot days in central Tokyo reached 21, setting a new record for the number of extremely hot days in a year. Tohoku and Hokuriku also set records for the number of extremely hot days. How long will the dangerous heat exceed body temperature?
Mainly from Kinki to Tokai Dangerous heat exceeding body temperature
The Obon season has passed, but today, the 20th (Sunday), the maximum temperature of 35°C or more continues from Kyushu to the southern part of Tohoku. Especially from Kinki to Tokai, it became a dangerous heat that exceeded body temperature.
The maximum temperature until 16:00 was 38.9°C in Fukusaki Town, Hyogo Prefecture, which was the highest recorded record for Fukusaki Town. Hirakata City in Osaka Prefecture was 38.6°C, Kyotanabe City in Kyoto Prefecture was 38.1°C, Kyoto City was 37.9°C, and Tajimi City in Gifu Prefecture was 37.6°C.
In addition, 35.3 degrees Celsius in central Tokyo, 36.6 degrees Celsius in Nagoya City, 37.2 degrees Celsius in Osaka City, 36.0 degrees Celsius in Hiroshima City, and 35.1 degrees Celsius in Matsuyama City. It’s been over 180 points for the first time in a week.
In central Tokyo, etc., the number of days of extremely hot days in a year is breaking the record
With 35.3°C in central Tokyo, it was the 21st hottest day of the year (four times the average), setting a new record for the number of hottest days in a year (the previous record for the most hot days in a year was 16th in 2022).
In addition, in Nagoya City and Osaka City, etc., today’s 20th (Sunday) was also an extremely hot day, greatly exceeding the number of extremely hot days in an average year. In addition, in Toyota City, Aichi Prefecture, today is the 20th (Sunday), with 33 days of extremely hot days, which is the highest number in Japan this year.
Today, the 20th (Sunday) did not become a hot day, but Sendai City and Aomori City also set a record for the number of hot days in a year. In Sendai and Aomori, the number of extremely hot days in an average year is less than one day, but this year’s record has been greatly improved. Also, in Hokuriku, Kanazawa City has the highest number of cases, and Toyama City has the highest number ever.
After the end of the rainy season, the Kanto and Tohoku areas were likely to be covered by a high pressure system, and one of the reasons was that the weather was clear for a long time.
How long until the heat wave?
This year, the dangerous heat will continue even after Obon, and the Japan Meteorological Agency announced “information on high temperatures from northern Japan to western Japan (19th). Because the high state continues, it is necessary to be vigilant against heat stroke.
From around the 23rd (Wednesday), there will be more rainy days from Kyushu to Tokai, and the number of extremely hot days with a maximum temperature of 35°C or higher will decrease. However, the temperature rises to around 33°C and the humidity rises, so caution against heatstroke is still required.
On the other hand, from Kanto to Hokkaido, there will be many sunny days, and the intense heat is expected to continue. The temperature in central Tokyo will rise to around 35 degrees Celsius every day until the 26th (Saturday). In the Hokuriku area such as Niigata, there are likely to be days when the temperature is dangerously hot, exceeding the body temperature.
Also, the point of this week is that even in Hokkaido and Tohoku, the maximum temperature will rise to about 35 degrees Celsius. The Japan Meteorological Agency announced “Information about high temperature” in Hokkaido on Sunday, 20th. In the Hokkaido region, the maximum temperature is expected to reach 33 degrees or higher from August 23 (Wednesday) to 24 (Thursday). Please pay attention to health management such as measures against heat stroke, and management of crops and livestock.
September is also hot, with the possibility of breaking the record for the slowest hottest day
According to the one-month forecast, temperatures will be high throughout the country through the first half of September, and there will be extremely hot days in western and eastern Japan.
By the way, the latest record for extremely hot days (maximum temperature 35°C or higher) is
Sapporo: August 8 (1999)
Sendai: September 3 (2010)
Central Tokyo: September 12 (1942)
Nagoya: September 12 (2010, 1990)
Osaka: September 22 (2007)
Fukuoka: September 20 (1998)
And so on.
This year, in addition to breaking the record for the most number of hot days in a year, there is also the possibility of breaking the record for the slowest number of hot days. It seems that it will be “severe caution against heat stroke even in the lingering summer heat”.
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2023-08-20 08:51:21
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