北海道ほっかいどう道東どうとうなど 40よんじゅう度どに迫せまる危険きけんな暑あつさおそれ熱中ねっちゅう症しょうに厳重げんじゅう警戒けいかい

On the 23rd, extremely intense heat is expected nationwide, and in eastern Hokkaido and along the Sea of Okhotsk, there is a risk of dangerously high temperatures—unlike anything experienced before—with local highs possibly approaching 40 degrees Celsius.

Please be extremely cautious of heatstroke and take thorough preventive measures.

According to the Japan Meteorological Agency, temperatures are expected to rise nationwide on the 23rd as the area around Japan will continue to be covered by a high-pressure system, and in places like Kitami City, there is a possibility that the temperature could locally approach 40 degrees.

In Hokkaido, the daytime high temperatures are expected to reach 39°C in Kitami City and Obihiro City, 37°C in Monbetsu City, and 35°C in Nemuro City.

There is a possibility that the temperature could approach 40 degrees in some areas such as Kitami City, and there is also a risk of dangerously high heat unlike anything experienced before.

In other regions as well, temperatures are expected to rise, with a dangerous heat of 39°C in Hita City, Oita Prefecture, 38°C in Kumagaya City, Saitama Prefecture, and Kumamoto City, 37°C in Fukushima City and Kyoto City, 36°C in Nagoya City and Okayama City, and 35°C in central Tokyo, Sendai City, and Osaka City.

Nationwide Todays Highest Temperatures In Order from Highest [Updated Regularly] [Heatstroke Warning Alerts Issued in Various Areas] Heatstroke warning alerts have been issued for the following regions, as the risk of heatstroke is extremely high.

Hokkaidos Ishikari, Sorachi, and Shiribeshi regions; Abashiri, Kitami, and Monbetsu regions; Kushiro and Nemuro regions; Tokachi region; Ibaraki Prefecture; Tochigi Prefecture; Gunma Prefecture; Saitama Prefecture; Tokyos 23 wards and Tama area; Chiba Prefecture; Nagano Prefecture; Yamanashi Prefecture; Aichi Prefecture; Gifu Prefecture; Mie Prefecture; Niigata Prefecture; Toyama Prefecture; Ishikawa Prefecture; Fukui Prefecture; Kyoto Prefecture; Hyogo Prefecture; Wakayama Prefecture; Hiroshima Prefecture; Shimane Prefecture; Tottori Prefecture; Kagawa Prefecture; Ehime Prefecture; Kochi Prefecture; Fukuoka Prefecture; Oita Prefecture; Nagasaki Prefecture; Saga Prefecture; Kumamoto Prefecture; Kagoshima Prefecture excluding the Amami region; and Yaeyama region of Okinawa Prefecture: Please be extremely cautious of heatstroke. Take thorough measures such as spending time in a cool environment by properly using air conditioning, replenishing water and salt, and taking frequent breaks during outdoor work.

On the other hand, due to the rise in daytime temperatures and the influence of cold air aloft, the atmosphere will become very unstable, and there is a risk of sudden weather changes and heavy rain in inland areas and other places in the afternoon.

Please be very careful about flooding in low-lying areas, landslides, and rising river levels, as well as severe gusts such as lightning, tornadoes, and hail.