The Yunnan Provincial Meteorological Observatory continues to issue a high temperature yellow warning at 9: 00 on April 19, 2023: it is expected that in the next 24 hours, the highest temperatures in some areas of the Jinsha River Valley, the Yuanjiang River Valley, and the Lancang River Valley (the dry and hot valleys of the six major rivers) will last above 35 ℃, of which Yuanjiang and Yuanyang will exceed 40 ℃. Please pay attention to precautions.