Busan, Ulsan, and Gyeongsangnam-do Province are under a heat wave warning from the 30th. The highest temperature is expected to be 39 degrees Celsius in Busan, 38 degrees Celsius in Ulsan, and 35 to 39 degrees Celsius in Gyeongsangnam-do Province. In some areas, the highest perceived temperature is expected to soar above 38 degrees Celsius. Until August 1st, the moon's gravitational pull will be strong, so caution should be exercised against safety accidents in coastal lowlands. Please take care of your health due to the heat wave.