Heat waves are engulfing parts of China, US and Europe. Dangerous heat waves are engulfing parts of China, Europe, Southwest and Central US this week, as dozens of cities have found themselves dealing with souring summer temperatures. By Tuesday afternoon, at least 86 Chinese cities in eastern and southern parts of the country had issued heat alerts. Chinese meteorologists forecast temperatures in some cities would top 40 degrees Celsius in the next 24 hours. In Shanghai, China's most popular city, the authorities have told its 25 million people to prepare for unusual hot weather. Since record keeping began in 1873, Shanghai has had only 15 days with temperatures above 40 degrees Celsius. In the US, Southwest and Central areas have been experiencing extreme heat. With 42.2 degrees Celsius in Waco, among more than a dozen daily temperature records broken, a dewy can in cities in Texas, Colorado, Oklahoma and Arkansas. A heat dome, an area of heat-trapping high pressure, has been blamed for the spike in what was already a hot summer. Teczanz's swatering under record temperatures in high humidity have been urged to conserve energy as the power grid struggles to cope with the rise in demand. In Europe, Spain is in the grip of its second heat wave of the summer. With temperatures in some sudden, in southwestern parts, said to reach or exceed 44 degrees Celsius this week. A spokesperson for the state meteorological office, Emmett, said the heat wave which began last Saturday, was expected to peak between Tuesday and Thursday, but could stretch into the coming weekend. Although the first official heat wave of the Spanish summer in mid-June brought temperatures of up to 42 degrees Celsius, parts of Spain had experienced, parts of Spain had experienced, pouring temperatures the previous month after the hottest May. On record, pushed the mercury past 40 degrees Celsius in some areas. That's it for today. Thank you and goodbye.