Yesterday was the summer festival. The “heat†is a solar term that reflects the temperature change and is used to indicate the degree of heat and cold in different periods of the year. It is a turning point in temperature drop and a symbol of climate cooling. China has a vast territory and different weather and climate differences. Therefore, the changes in the four seasons in different regions are also very different. At this time, the heat in the south of the Yangtze River and South China is still hot. Say. The rain caused the south to ease the heat in the south, and the summer heat brought coolness to the south.
From 22 to 23, regional heavy rainfall occurred in Hubei, Chongqing, Hunan and other places. Heavy rain and heavy rain occurred in the south of Shennongjia and Xingshan County in Hubei Province. The rainfall exceeded 300 mm (22:00 on the 22nd and 11:00 on the 22nd). Heavy rainfall caused floods, mudslides and landslides in some towns and villages, and individual roads collapsed and traffic was interrupted. At present, the rainfall in most parts of Hubei has ended, the rainfall belt will continue to move eastward and southward, and there are heavy rains in parts of Yunnan and Guangxi.
The Central Meteorological Observatory predicts that there will be moderate to heavy rain and partial heavy rain in parts of the eastern part of the Yangtze River, the central and eastern Jiangnan, southern China, and the western and southern parts of Yunnan from 24 to 25. The cumulative rainfall of the process is generally 15 to 35 mm, and the local maximum is 40 to 60 mm. From 24 to 26, there were showers or thunderstorms in central and northern Shaanxi, most of northern China, and central and eastern Inner Mongolia. The cumulative rainfall in some areas was 10 to 30 mm, and the local area was 40 to 50 mm.
In mid-August, there were large-scale high-temperature and low-rain weather in Jianghan, Jiangnan and South China. The maximum daily temperature of Jianghan and most of the south of the Yangtze River and the eastern part of South China was 35-10 °C for 5-10 days. It is more unfavorable; however, the sunny weather is more favorable for late rice control and cotton cracking. High temperature and low rainfall have caused drought in southern Hunan and northwestern Guangxi, which has adverse effects on crop growth and development in areas with poor irrigation conditions.
In the southwestern region, except for the central and western parts of Yunnan, most areas in mid-August have less precipitation, more sunshine, and higher temperatures. In the eastern part of Sichuan and Chongqing, there are more than 7 days of high temperature weather, which is unfavorable for one season of rice and corn grouting. The phenomenon of high temperature ripening; but the hot and sunny weather is conducive to the harvesting and drying of mature crops. Continued high temperature and low rainfall have caused the drought in southeastern Guizhou, central Chongqing and eastern Yunnan to continue to develop, which is unfavorable for crop growth and development. According to meteorological conditions, the dry area has carried out artificial rainfall enhancement work in a timely manner, which has a certain effect on the relief of drought. The dry area pays attention to the timing of precipitation to do water storage work, rational irrigation, and mitigate the adverse effects of drought on crops.
At present, most of the cotton in Xinjiang, the Yellow River Basin and the Yangtze River Basin are in flowering stage, and some have entered the bell-and-bubble period. In mid-August, most of Xinjiang's light is sufficient, and meteorological conditions are basically suitable for cotton flowering and cracking bells. The temperatures in North China, Huanghuai and Jianghuai are close to normal or slightly higher. Except for the western part of Huanghuai, precipitation in most areas is more than normal, and some areas are 1~4 times more. The daily illumination is less, including southern China and Huanghuai. The Ministry of Foreign Affairs and the northeastern part of the Jianghuai River have less than 40 hours of sunshine. Rainy and illuminating causes the cotton buds to fall off and rotten peaches, which is easy to induce pests and diseases.
Specific forecast for the next three days
From 08:00 to 25:00 on the 24th, southeastern Tibet, central Inner Mongolia, northwestern Shanxi, southern Susong, Zhejiang, Fujian, central and eastern Jiangxi, most of Guangdong, central and southern Guangxi, western and southern Yunnan, southern Sichuan, etc. There are moderate to heavy rains in the area. Among them, there are heavy rains in parts of central and southern Guangxi and southern Yunnan. The rainfall is generally 10 to 30 mm and the local area is 40 to 60 mm. The above areas are accompanied by strong convection such as short-term thunderstorms and strong winds. the weather.
From 08:00 to 26:00 on the 25th, there were moderate to heavy rains in northwestern China, southern Jiangsu, Zhejiang, most of Fujian, southeastern and southwestern Guangdong, southwestern Guangxi, northwestern Hainan, and southwestern Yunnan. 10 to 20 mm, local 20 to 30 mm; some of the above areas are accompanied by strong convective weather such as short-term thunderstorms and strong winds.
From 08:00 on the 26th to 08:00 on the 27th, there were moderate to heavy rains in northeastern Shanxi, western Hebei, central Huanghuai, southeastern Jianghuai, eastern Jiangnan, southwestern Guangdong, southeastern Guangxi, southern Hainan, and southwestern Yunnan. The rainfall is generally 5 to 20 mm, with a local area of ​​20 to 30 mm; some of the above areas are accompanied by strong convective weather such as short-term thunderstorms and strong winds.
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