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According to the Central Meteorological Observatory on April 11, in mid-April, there will be more precipitation in southern China in the south of the Yangtze River, and there will be strong winds and dust in the northern region to cool down.
1. In early April, there was more precipitation in southern China and the temperature was high in most parts of the central and eastern regions
In early April, the cumulative precipitation in Jiangnan, the northern and eastern parts of South China, and Chongqing was 50~120 mm, 150~180 mm in some areas, and more than 200 mm in some parts of northern Guangdong and southern Jiangxi, and the cumulative precipitation in the above-mentioned areas was 5~8 percent more than that in the same period of the year, and more than 1 times more locally;
In early April, the average temperature in western Xinjiang, northeast Inner Mongolia, Heilongjiang, and southeastern Qinghai-Tibet Plateau was 1~3 °C lower than that in the same period of the year, and the average temperature in most of the rest of the country was 2~4 °C higher than that in the same period of the year, of which the eastern part of Yunnan and central Inner Mongolia were 5~6 °C higher.
2. In mid-April, there will be more precipitation in southern China and there will be strong winds and dust in the northern region
In mid-April, the cumulative precipitation in the south of the Yangtze River, most of South China, Sichuan Basin, central and eastern Guizhou and other places has 50~100 mm, of which the western and northeastern Hunan, central Jiangxi, northwest Fujian, northern Guangxi, eastern Guizhou and other places have 150~200 mm, and the local precipitation exceeds 250 mm; the cumulative precipitation in northwest Xinjiang, the eastern part of Northwest China, the eastern part of Northeast China, and the western part of Huanghuai and other places have 15~30 mm, of which the southeast of Gansu, The precipitation in most of the above areas is 3~7 percent more than that in the same period of the year, and the local precipitation is more than 1 time.
In mid-April, except for the central and eastern parts of Tibet, where the temperature was 1~2 °C lower, the average temperature in most of the rest of the mainland was 2~3 °C higher than that of the same period in normal years, and some areas in North China, the eastern part of Northeast China, and the eastern part of Huanghuai were more than 4 °C higher.
Main weather processes:
From the 11th to the 13th, there were moderate to heavy rains in Jianghan, Jiangnan, northern South China and Guizhou, with heavy rains in some areas, local heavy rains, accompanied by short-term heavy precipitation, thunderstorms, strong winds or hail and other strong convective weather. In addition, from the 11th to the 12th, there was moderate to heavy snow or sleet in some high-altitude areas in northern Xinjiang, and there were local blizzards or heavy snowfall.
From the 12th to the 15th, under the influence of cold air, there were 4~6 northerly winds in most parts of the north, and the winds in Xinjiang, the central and western parts of Inner Mongolia and Hexi in Gansu could reach 7~9, and the winds in Xinjiang Shankou could reach 10~12, among which the southern and eastern parts of Xinjiang, the central and western parts of Inner Mongolia, the eastern part of Northwest China, and the northern part of North China had sand and dust weather; the temperature in the above areas dropped by 6~10 °C, of which some areas in northern Xinjiang and Inner Mongolia had a cooling range of more than 12 °C; There are light rain or thundershowers in the Northeast and other places, and moderate rain locally.
From the 15th to the 16th, there will be moderate to heavy rain in Jiangnan, central and northern South China, Sichuan Basin, Guizhou and other places, with localized heavy rain, and will be accompanied by strong convective weather.
From the 17th to the 19th, there was light to moderate rain and locally heavy rain in the eastern part of Northwest China, North China, Huanghuai and other places, and moderate to heavy rain in Jianghan, Jianghuai, Jiangnan, central and northern South China, Sichuan Basin, Guizhou and other places, with localized heavy rain or heavy rain, accompanied by strong convective weather.
3. Long-term weather outlook
In the next 11-14 days (April 21-24), the cumulative rainfall in Jiangnan, South China, Chongqing and Guizhou will be 30~60 mm, and 80~100 mm locally.
In the next 11-14 days, the average temperature in the central and eastern parts of Inner Mongolia, Northeast China, and eastern North China will be 1~2 °C higher than that in the same period of the year, and the average temperature in most of the rest of the country will be 1~2 °C lower.
Fourth, high-impact weather and concern
1. There is more precipitation in southern China and strong convective weather is frequent
In the next 10 days, the precipitation in the south of the Yangtze River, most of South China, the Sichuan Basin, and the eastern part of Guizhou will be more abundant, and the strong convective weather will occur frequently, with a cumulative rainfall of 7~9 days, and the heavy rainfall will mainly occur on the 11th-13th, 15th-16th and 17th-19th.
2. Precipitation in Yunnan and other places continues to be low
In the next 10 days, the cumulative precipitation in most parts of Yunnan and southeast Sichuan will be less than 10 mm, which is 3~8 percent less than that of the same period in normal years, and the meteorological drought will continue to develop.
Editor: Liu Rui