China News Service, April 12. According to the website of the Central Meteorological Observatory, affected by the strong cold air, from the 12th to the 14th, large-scale cooling has occurred in most parts of eastern China from west to east.

From the 12th to the 13th, there were moderate to heavy rains in some areas of Chongqing, Hubei, Anhui and other places, and heavy rains in some areas.

The Central Meteorological Observatory continued to issue rainstorm forecasts at 06:00 on April 12.

Yesterday, there was heavy rain in Sichuan, Chongqing and other places, and there were strong winds and cooling sand and dust in many places in the north.

　　From 08:00 yesterday to 06:00 today, there were heavy rains in parts of southern Hebei, central and northern Shandong, and eastern Jilin; heavy rains occurred in eastern Sichuan and southwestern Chongqing, and local heavy rains (101-137 mm) in Zigong, Yibin and Ziyang, Sichuan, the largest The hourly rainfall is 20-40 mm, and the local area is more than 60 mm.

Thunderstorms and strong winds occurred locally in southern Liaoning, central and southern Hebei, northern and southern Shanxi, central and southern Shandong, central and northern Henan, central Shaanxi, eastern and southern Sichuan, western Chongqing, and southwestern Yunnan. Hailstorms occurred in the south and other places.

In addition, blowing sand or floating dust occurred in parts of the southern Xinjiang Basin, northern Qinghai, central and eastern Gansu, central and western Inner Mongolia, Ningxia, central and northern Shaanxi, Shanxi, Hebei, Beijing, and Henan.

　　Compared with 5 o'clock yesterday, Northwest China, North China, Inner Mongolia, Northeast China, Shandong and other places experienced a temperature drop of 4-10 °C, and central Inner Mongolia, northern Shaanxi, northern Shanxi, and northwestern Hebei dropped by 12-17 °C; There were gusts of magnitude 6 to 8 yesterday, with gusts of magnitude 9 to 10 locally.

Strong cold air affects eastern China

　　Affected by the strong cold air, from the 12th to the 14th, large-scale cooling occurred successively in most parts of eastern China from west to east.

The temperature in most areas will drop by 6 to 8 °C, and the temperature in some areas of Huanghuai, Jianghuai, Jianghan, and northern Jiangnan will reach 10 to 12 °C, with local temperatures above 12 °C, and the maximum temperature during the day will drop significantly (see Figure 1); After the influence of the cold air, the process minimum temperature line of 0 °C is located in the northern part of Xinjiang, Gansu, northern North China and northern Liaoning, and the process minimum temperature line of 10 °C is located along the middle and lower reaches of the Yangtze River to northern Sichuan.

On the 12th, there were winds of magnitude 4 to 5 in Huanghuai, Jianghuai, and eastern Jianghan, and gusts of magnitude 6 to 7.

From the 13th to the 15th, there were winds of magnitude 6 to 7 and gusts of magnitude 8 in the southern Yellow Sea, the East China Sea, the Taiwan Strait and other waters.

The Central Meteorological Observatory continued to issue strong wind and cooling forecasts at 06:00 on April 12.

Figure 1 National gale and cooling forecast map (08:00 on April 12th - 08:00 on April 15th)

Heavy rainfall in Chongqing, Hubei, Anhui and other places

　　From the 12th to the 13th, there were moderate to heavy rains in parts of Chongqing, Hubei, Anhui, Jiangsu, Hunan, Guizhou, Guangxi, Jiangxi, Fujian, Zhejiang, Shanghai and other places, and heavy rains in some areas.

It is expected that from 08:00 on April 12 to 08:00 on April 13, there will be heavy rain in parts of central and eastern Chongqing, Hubei, Hunan, northern Guangxi, northwestern Jiangxi, and southwestern Anhui, among which eastern Chongqing, southwestern and eastern Hubei, Local heavy rain or heavy rain in northwestern and southern Hunan, northern Guangxi, and northwestern Jiangxi; the above areas are accompanied by short-term heavy precipitation (maximum hourly rainfall of 20-40 mm, local up to 50 mm), thunderstorms and strong winds and other strong convection weather (see Figure 2).

The Central Meteorological Observatory continued to issue rainstorm forecasts at 06:00 on April 12.

Figure 2 Forecast map of heavy rainfall areas across the country (08:00 on April 12th - 08:00 on April 13th)

There is heavy fog in the waters and coasts of the Yellow Sea and the East China Sea

　　It is expected that from the daytime of April 12 to the morning of April 13, there will be visibility less than 1 km in the central, eastern and southeastern waters of the Yellow Sea, the northern and southwestern waters of the East China Sea, the waters near the Yangtze River Estuary, the eastern coastal waters of Zhejiang, and the coastal waters of northeastern Fujian. foggy weather (see Figure 3).

Therefore, the Central Meteorological Observatory continued to issue a yellow fog warning at 06:00 on April 12.

Figure 3 National fog forecast map (08:00 on April 12th - 08:00 on the 13th)

Specific forecast for the next three days

　　From 08:00 on April 12 to 08:00 on April 13, there were light to moderate snow or sleet in parts of Xinjiang along the Tianshan Mountains and Ili River Valley, northern Qinghai, and Hexi in Gansu; western Jianghuai, Jianghan, northern and western Jiangnan, There are moderate to heavy rains in parts of eastern Southwest China, northern South China and other places, including local heavy rains or heavy rains (50-110 mm) in eastern Chongqing, southwestern and eastern Hubei, northern and southeastern Hunan, northern Guangxi, and northwestern Jiangxi. ).

There are 4-6 winds in parts of the southern Xinjiang Basin, central and northern Tibet, eastern Qinghai, northern Shaanxi, central and western Inner Mongolia, southern Northeast China, Huanghuai, central and eastern Jianghan, and western Jianghuai, among which some areas in northern Qinghai There are 6 to 7 winds (see Figure 4).

Figure 4 National precipitation forecast map (08:00 on April 12th - 08:00 on April 13th)

　　From 08:00 on April 13th to 08:00 on April 14th, there were light to moderate snow or sleet in parts of Xinjiang along the Tianshan Mountains, central Inner Mongolia, northern and eastern Tibet, northern and western Qinghai, and Hexi in Gansu; , most of Jianghuai, central and eastern Jiangnan, and northeastern Guangdong have moderate to heavy rains. Among them, there are heavy rains (50-80 mm) in parts of southeastern Anhui, southern Jiangsu, Shanghai, and northern Zhejiang.

There are winds of magnitude 4 to 6 in parts of central Inner Mongolia, northern Qinghai, eastern Jianghuai, and northeastern Jiangnan, among which there are winds of magnitude 6 to 7 in parts of central Inner Mongolia (see Figure 5).

Figure 5 National precipitation forecast map (08:00 on April 13th - 08:00 on April 14th)

　　From 08:00 on April 14 to 08:00 on April 15, there were light to moderate snow or sleet in parts of the southern Xinjiang Basin, central and northern Tibet, most of Qinghai, and Hexi in Gansu; There were moderate to heavy rains in parts of southwestern Hubei, northwestern Hunan and other places, including local heavy rains (50-75 mm) in southeastern Tibet and other places.

There are 4-6 winds in parts of northern Xinjiang, central and southern Tibet, central and eastern Inner Mongolia, and northeastern Jiangnan (see Figure 6).

Figure 6 National precipitation forecast map (08:00 on April 14th - 08:00 on April 15th)