日本周二首次记录到官方定义的"酷热日"，中部多个城市气温超过40摄氏度[1][2]。美浓市和丰田市分别达到40摄氏度和40.1摄氏度，均创造了各自气象站的历史新高[1]。多治见市气温也达到40摄氏度[2]。
日本气象厅于4月引入"kokushobi"（酷热日）这一新术语，用以指代气温超过40摄氏度的日子，作为向公众警示极端高温危害的措施[1][2]。
这轮高温造成了严重的健康影响。东京火力部门报告周二有287人因中暑入院，年龄从3岁到103岁，创下今年以来的最高纪录[2]。当局已在40多个都道府县发布中暑警报[2]。日本914个观测点中近300个周二录得"极度炎热日"（气温超过35摄氏度）[2]。
根据去年的数据，日本全国最高气温纪录为41.8摄氏度[2]。去年职场中暑人数达1803人，其中19人死亡[2]。专家指出，曾经罕见的极端高温事件现已变得更加普遍[1]。
Japan experienced its first official "cruelly hot day" on Tuesday, with three central cities recording temperatures at or exceeding 40 degrees Celsius. [1][2] The cities of Mino, Tajimi, and Toyota all reached the threshold, with Mino and Toyota setting new record highs for their respective weather stations at 40°C and 40.1°C. [1]
The term "kokushobi"—literally meaning "cruelly hot day"—was introduced by Japan's Meteorological Agency in April to alert the public to the dangers of extreme heat. [1][2] Of Japan's 914 observation points, nearly 300 recorded what is classified as an "extremely hot day," defined as temperatures exceeding 35 degrees Celsius, on Tuesday. [2]
The severe heat has already taken a toll on public health. Tokyo's fire department reported 287 people were hospitalized for heat stroke on Tuesday, the highest number recorded so far this year, with ages ranging from 3 to 103 years old. [2] More than 40 prefectures have issued heat stroke warnings in response to the conditions. [2]
The situation reflects a broader pattern of intensifying heat events in Japan. Last year, the country recorded a peak temperature of 41.8°C in Isesaki City, and workplace heat-related illnesses reached 1,803 cases, of which 19 were fatal. [2] What were once rare weather anomalies have become increasingly common occurrences. [1]