It is expected that in the next three days, Jianghan, Jianghuai, and most of the south and southwestern regions will have a relatively obvious precipitation process. At the same time, there will be strong convective weather such as thunderstorms, strong winds or hail in some areas. Affected by cold air and precipitation, today (7th) tomorrow, the hot weather in North China, Huanghuai and Jiangnan will be eased.
Yesterday, the precipitation in the country was still mainly distributed in the northwest, southwest and south China. Strong convective weather such as short-term heavy rainfall occurred in southern Yunnan and southwestern Guangxi. The monitoring showed that at 5 o'clock in the past 5 o'clock, the rainfall in central and southern Yunnan was 2~12 mm, and the southern part was 15~34 mm. The rainfall in the central and western parts of Guangdong, south-central Guangxi, southwestern Guizhou and western Hainan was 30-70 mm. Binyang 108 mm.
Unlike the rainy weather in the western region, the precipitation in the central and eastern regions was very rare yesterday. The weather was mainly sunny and hot, and the temperature continued to rise. The highest temperature range of 30 °C or above reached the largest this year, with the highest in many cities in the middle and lower reaches of the Yangtze River. The temperature has hit a new high this year. The monitoring showed that the country's only high temperature area appeared in the western part of Hebei at 14 o'clock yesterday. The temperature in Shijiazhuang at 13 o'clock reached 37.0 °C, which was the first high temperature in the northern capital city.
　　　
Shijiazhuang at 6 o'clock on the 6th, the temperature reached 37 ° C
The Central Meteorological Observatory predicts that from the 7th to the 10th, Jianghan, Jianghuai, and most of the south and southwestern regions will have a relatively obvious precipitation process, with heavy rainfall mainly occurring from 8th to 9th. In the eastern part of the Sichuan Basin, Chongqing, southern and eastern Jianghan, southwestern Jianghuai, north-central Jiangnan and northern China, there will be heavy rain or heavy rain, with a cumulative rainfall of 30-70 mm. There is heavy rain in the northern part of the south of the Yangtze River. 100~130 mm; at the same time, there will be strong convective weather such as thunderstorms, strong winds or hail in parts of northern Chongqing, southeastern Hubei, northern Hunan and northwestern Jiangxi.
　　　
Precipitation forecast map in the southern region (May 7-10)
In addition, there will still be precipitation in most parts of Yunnan today, with light rain (2 to 5 mm) in the north, moderate rain in the south, and heavy rain (10 to 30 mm) in parts of the southwest. Rainfall will weaken tomorrow. The precipitation is conducive to alleviating the recent high temperature and drought in Yunnan and reducing the meteorological grade of forest fire danger.
Affected by cold air and precipitation, the sunny weather in North China to Jiangnan will be eased today, and the cooling area will increase significantly. Today, the drop from North China to the northern part of the Yangtze River is 2~4°C, and the local area is about 6°C. After the temperature drop, the highest temperature will start to shrink in the area of ​​30°C. The highest temperature in big cities such as Beijing and Nanchang will be less than 30°C. In addition, Xinjiang The cooling in the northern region is more obvious, and the local reduction in the Altay region is above 10 °C. Tomorrow, the temperature in the Jianghuai Jiangnan area will increase, with the southern Jiangsu and Zhejiang areas falling by 4-6 °C and the local area reaching 8 °C.
Since April, heavy rainfall and strong convective weather have occurred frequently in the south and south of the Yangtze River, causing local floods, geological disasters and windstorms in some areas. Due to the pre-precipitation in Jiangxi, Hunan, Fujian and other places, the soil water content is saturated, and the water level of some rivers and lakes is high. Therefore, it is necessary to strengthen the monitoring of rain and water conditions, pay attention to prevent urban and rural accumulation caused by local heavy rain and disasters such as mountain torrents, landslides and mudslides, as well as local convective weather hazards such as thunderstorms, strong winds and hail.
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