North China and Huanghuai will start the first wave of high temperature weather this year. Temperatures in some parts of northern Shandong can reach more than 37 ℃.

Xinhua News Agency, May 15, according to the China Weather Network, with the strengthening of the high pressure ridge eastward, coupled with the help of warm air masses, the heat in various parts of the north has upgraded, and this week entered the "best part" period, which will largely refresh the new high temperature this year. North China and Huanghuai will start the first wave of hot weather this year, with temperatures above 37 ℃ in parts of northern Shandong.