Jianghuai Jiangnan needs to defend against cold weather

Weather forecast this week

According to the weather forecast of the Central Meteorological Observatory in the coming week, it is expected that there will be more rainy weather in Sichuan, Chongqing, western Yunnan and southern China this week. The rainfall is 20-50 mm, including 70~ in parts of eastern and southern Sichuan and southwestern Yunnan. 120 mm. Around the 20th, most of the central and eastern parts of China were dominated by sunny or cloudy weather.

Precipitation in the southeastern part of the northwestern region will be significantly weakened: it is expected that precipitation will be significantly weakened in western China from the night of the 18th to the 19th, with 15-40mm precipitation still in the southeastern part of Shaanxi, northeastern Sichuan, northern Chongqing, and northwestern Hubei. The amount of groundwater is 50 to 60 mm. The rainfall in the Lishui River Basin is generally less than 10 mm.

Southwest meteorological arid area: It is expected that the rainy days in the meteorological arid regions of southeastern Sichuan, Chongqing, Guizhou, and eastern Yunnan will increase this week, but the rainfall intensity is not large, and the accumulated rainfall is 10 to 30 mm, of which the rainfall in eastern Guizhou is still insufficient. 10 mm, the main rainfall process occurred around 18-20 days and around 23 days.

Jianghuai Jiangnan cold dew wind: From the 19th to the 22nd, some areas of the Jianghuai and the north and south of the Yangtze River will have moderate to cold weather for 3-4 days; some parts of southern Jiangnan may have mild cold weather.

Concerns and suggestions

In the coming week, Sichuan, Chongqing, Yunnan and other places will be cloudy and rainy. Relevant regions and departments need to strengthen prevention of mountain torrents, geological disasters and urban and rural accumulation, and do a good job in field management. At the same time, the upper reaches of the Han River, such as the southwestern part of Shaanxi and northwestern Hubei, should be strengthened. Monitoring and early warning of rain and danger, timely inspection of water conservancy fortresses such as reservoirs and dams, and actively preparing for flood control.

In addition, the rainy days in the southwestern arid regions will increase. It is necessary to strengthen the scientific dispatch management of water resources, and do a good job in autumn and autumn harvesting in dry areas; some areas in Jianghuai Jiangnan and other places need to pay attention to prevent the adverse effects of cold wind weather on agriculture; Ships and coastal areas sailing in the eastern seas of the East China Sea should pay attention to the adverse effects of strong winds at sea.