Why is it rainy this year and cool after the rain? It used to be sultry after the rain.

On weekends, it rains continuously in the south, and most parts of the north are sunny, cool and comfortable.

At the weekend (20-2 1), most of the south is still covered with rain, and some areas will be accompanied by strong convective weather such as short-term heavy precipitation. The Central Meteorological Observatory continued to issue a blue rainstorm warning. The northern region is dominated by light rain, which is conducive to alleviating the meteorological drought in Shaanxi, Henan and Beijing. It turns sunny on Sunday, which is suitable for travel.

Yesterday, there was heavy rain or rainstorm in central and southeastern Guangdong, northeastern Guangxi, eastern Guizhou, southwestern Hunan, southwestern Chongqing, northeastern Sichuan, southeastern Gansu and southwestern Shaanxi. The maximum rainfall in Luzhou, Sichuan is 2 13mm. The maximum hourly rainfall in the above areas is 50 ~110mm.

Over the weekend, heavy rainfall in the south will continue, accompanied by strong convective weather. The rain in the north is much milder and will end on Sunday. The Central Meteorological Observatory predicts that there will be moderate to heavy rain in eastern Sichuan Basin, southwestern Shaanxi, most of Jianghan, northwestern and southern Jiangnan, eastern and northwestern South China, and Taiwan Province Island from 08: 00 on April 20 to 08: 00 on April 26. Among them, there will be heavy rain (50 ~ 80 mm) in central and northeastern Chongqing, western Hubei, central Guangdong and eastern coastal areas.

From 08: 00 on April 2/Kloc-0 to 08: 00 on April 22, there were moderate to heavy rains in parts of western Jianghuai, eastern Jianghan, eastern and southern Jiangnan, eastern Chongqing, Guizhou and north-central South China, among which there were heavy rains (50-70 mm) in northeastern Jiangxi, northwestern Fujian and northeastern Guangxi.

Meteorologists reminded that the public in Jiangnan, South China and other places should pay close attention to the weather forecast and early warning information in the near period, and pay attention to preventing the adverse effects of strong convective weather such as thunderstorms or hail on traffic travel.

Blue rainstorm warning There is still heavy rainfall in southwest, east and south China.

The Central Meteorological Observatory continued to issue a blue rainstorm warning on April 20 18:

It is estimated that there will be heavy rain or rainstorm in eastern and southern Guizhou, northern and eastern Guangxi, central and eastern Guangdong, northern and southern Jiangxi, northeastern and southern Hunan, southern Fujian, northern Taiwan Province Province, northeastern Sichuan, central and northern Chongqing, western and eastern Hubei, southern Anhui and other places from 20: 00 to 20: 00 on April 20th, and there will be heavy rain in central Guangdong (100).

Defense guide:

1. It is suggested that the government and relevant departments should do a good job in storm emergency prevention according to their duties;

2. Cut off the outdoor power supply in the dangerous area and suspend outdoor operation;

3, do a good job in urban and farmland drainage, pay attention to prevent possible disasters such as flash floods, landslides and mudslides.

In the next 10 day, there will be more rainfall in most parts of the south and more rainfall in the north.

In the next 10 day (April 20-29), the cumulative rainfall in Jianghan, Jianghuai, Jiangnan, central and eastern South China, Sichuan Basin and central and eastern Guizhou will be 50-90 mm; Among them, there are 100 ~ 150 mm in parts of Jiangnan, northern South China, eastern Guizhou, Jianghan and other places, and the local area exceeds 200 mm, and the accumulated rainfall is 50% ~ 1 times more than the same period of normal years. The cumulative rainfall in northern Xinjiang, southeastern northwest, south-central north China and southern northeast China is 7 ~ 15mm, and the local area is 20 ~ 30 mm.

In the next 10 day, cold air will be active, but the overall force will be weak. Although the temperature fluctuates, the average temperature in most parts of the country will be higher than normal, and it will be 3 ~ 5℃ higher in northwest, northern North China and southwest China.

Main weather processes:

On 20-22, there was a moderate to moderate rain in the southeastern part of northwest China, north China, southern part of northeast China, Huanghuai and most of its southern areas, and there were heavy rains in southern Jiangnan, north-central South China, Sichuan Basin and southeastern Gansu.

On the 23rd-24th, there were small to moderate rains and local heavy rains in the central and eastern parts of North China, the southern and eastern parts of Northeast China, Huanghuai and other places. There is moderate to heavy rain and local heavy rain in most parts of the south of the Yangtze River and northern South China.

From 26th to 28th, there was light rain from west to east and moderate to heavy rain in the eastern part of Northwest China, North China, Huanghuai and other places.

On 28-29, there were moderate to heavy rains, local rainstorms or heavy rains in Jianghan, Jianghuai, Jiangnan and northern South China.

Long-term weather outlook

In the next 10-20 days (April 30-May 9), the main rainfall areas are located in the east of Jiangnan, South China and Southwest China, with the cumulative rainfall of 50-90 mm. Some areas in Jiangnan, central and western South China and coastal areas will have11.

In the next 10-20 days, the average temperature in most parts of central and eastern China will be higher than normal 1 ~ 2℃, and the temperature in northwest China and Qinghai-Tibet Plateau will be lower than normal 1℃.

High impact weather and concern

1. There are rainy weather in the south and southwest of the Yangtze River, accompanied by local strong convective weather.

In the next 10 day, there will be rainy weather in the eastern, southern and southwestern parts of the Yangtze River. The main precipitation process will be around 20-2 1, 25-26 and 29, accompanied by short-term heavy precipitation, thunderstorms and strong winds and other strong convective weather.

2. Multi-process rainfall in Huanghuai and other places in North China

On 20th, 23rd-24th, 26th-28th, there were many rainy processes in the eastern part of Northwest China, North China, Huanghuai and the southern part of Northeast China. The general magnitude is mainly moderate rain and local heavy rain.