Korea is under stifling heat today again, with high humidity.<br />Almost the entire country, in fact, is under either a heatwave warning or advisory.<br />In Seoul it's going to get up to 33 degrees Celsius, and in the southeastern city of Gyeongju it'll hit 37 degrees.<br />Heat wave advisories are issued when the mercury is forecast to stay above 33 degrees for at least two days in a row, and warnings go out when it's staying above 35.<br />The UV index is high, too, so if you're heading outdoors it'll be important to protect yourself from the sun. <br />
