Central Meteorological Observatory: Weather Bulletin (May 17, 2024)

Source: Website of the Central Meteorological Observatory

High temperature weather will appear in Huanghuai and other places in North China

South China and other places will have a new round of heavy rainfall

Summary:

On the domestic side, Yesterday, precipitation was scarce in most parts of the country, and moderate to heavy rain occurred in Yunnan, Guizhou and other places. From the 18th to the 21st, there will be a heavy rainfall process from the eastern part of southwest China to southern China. Guangdong, Guangxi and other places have medium to high risk of rainstorm disasters. Pay attention to the possible mountain torrents, geological disasters and urban and rural waterlogging caused by heavy rainfall 。 In addition, from the 17th to the 19th, the Huanghuai River and North China were sunny and hot, and the risk of dry and hot wind disasters in winter wheat area was concerned.

Globally, In the past 24 hours, Strong precipitation occurred in the southern part of the United States in Indochina Peninsula; India, Arabian Peninsula and other places continue to have hot weather. It is expected that there will be more rain in Western Europe in the next three days; There is heavy rainfall in Sri Lanka.

1、 Domestic weather conditions

1. Facts: Rainfall is scarce in most parts of the country, and moderate to heavy rain occurs in Yunnan, Guizhou and other places

From 8:00 yesterday to 6:00 today, precipitation is scarce in most parts of the country. Moderate to heavy rain occurs in parts of eastern Tibet, western Sichuan Plateau, northeastern and southeastern Yunnan, southwestern Guizhou, southern Hainan Island, and local rainstorm (50-72mm) occurs in Qujing, Yunnan, Sanya, Hainan, and other places. Some areas in northern Xinjiang, central Inner Mongolia, southern Hebei, northern Henan, western Shandong, etc. have gusts of 7 to 9 levels, and local gusts of 10 to 12 levels.

2. Key weather forecast

(1) High temperature weather will appear in Huanghuai and other places in North China

seventeen Day to 19th Some areas in central and southern North China, central and western Huanghuai River and Guanzhong of Shaanxi have high temperature weather, with daily maximum temperature of 35-37 ℃.

(2) South China and other places will have a new round of heavy rainfall

It is estimated that on the 17th, Guizhou Yunnan And Guangxi. Most of Guizhou, central and western Guangxi Northeast and South Yunnan and Southeast Tibet Equidistant There are moderate to heavy rain, including heavy rain in southwest Guizhou, northwest Guangxi and other places. Some of the above areas are accompanied by short-term heavy rainfall (maximum hourly rainfall 20~40mm, and more than 50mm locally ）, thunderstorm and gale in the local area Or hail Isointense convective weather 。

In addition, From the 18th to the 21st, there will be one occurrence in the eastern part of southwest China, southern China, southern Jiangnan, etc Heavy rainfall process, rainstorm in some areas, Middle East Guangxi , some areas in central and western Guangdong and coastal areas of South China have heavy rain, and Guangxi East Guangdong Midwest Bureau Heavy rain ； Some of the above areas have short-term heavy precipitation, and the local area has Thunderstorm gale And other severe convective weather.

2、 Global weather conditions

1. Facts

(1) Strong precipitation occurs in Indochina Peninsula, southern United States and other places

In the past 24 hours (from 00:00 on May 15 to 00:00 on May 16, 2024 Universal Time), there has been light to moderate snow or sleet in northeastern Eastern Europe, northern Western Siberia, northern Central Siberia, eastern Far East, western Alaska and other places, with local heavy snow to blizzard; Light to moderate rain occurs in parts of central and western Europe, northern and eastern South Europe, southern Indian Peninsula, Indochina Peninsula, Indonesian islands, Sri Lanka, Korean Peninsula, central and western Canada, central and eastern America, northern and southeastern South America, West Africa and southwest China, among which southern Europe, Indochina Peninsula, Indonesia, West Africa Heavy rain or rainstorm occurred locally in the southern United States and other places. Sand dust weather occurs in parts of North Africa, West Asia, Central Asia, and southern North Asia.

(2) Continuous high temperature weather in India and Arabian Peninsula

In the past 24 hours (from 00:00 on May 15 to 00:00 on May 16, 2024 Universal Time), some regions in Mesopotamia Plain, Arabian Peninsula, Indian Peninsula, Ganges River Plain, Indian River Plain, central and western Indo China Peninsula, south central West Africa, northwest central Africa, Mexico and other places have sustained high temperature weather above 35 ℃, and the local maximum temperature exceeds 42 ℃.

2. Key weather forecast

(1) Rainfall in Western Europe

In the next three days (May 17-18), affected by the slow moving vortex trough along the coast of Western Europe, most of Western Europe and Southern Europe will continue to have cloudy and rainy weather, including heavy rain in the northwest of Southern Europe; The wind in Central Europe and other places is strong. The wind force in most areas is 4~6, and the gust is 7~8. In addition, affected by the persistent blocking high pressure system, the temperature in most parts of Northern Europe and northern Central Europe remained high.

(2) Heavy rainfall in Sri Lanka

In the next three days (May 17-18), due to the influence of jet stream and shear system, there will be strong precipitation in Sri Lanka Island and surrounding waters, and there will be heavy rain, local heavy rain.

3、 Specific forecast for the next three days in China

From 08:00 on May 17 to 08:00 on May 18, Most of Guizhou Guangxi Central north and west, central and eastern Hainan Island Eastern Sichuan Plateau , Southeast Sichuan Basin, Northeast and South Yunnan, Southeast Tibet, Ili River Valley in Xinjiang and other parts of the region have moderate to heavy rain, including southwest Guizhou, northwest Guangxi, southeast Hainan Island and other parts of the region have heavy rain (50~90 mm); There will be thunderstorm, gale or hail weather in Shandong, central and eastern Henan, northern Anhui, northern Jiangsu, central and western Guizhou, eastern Yunnan and other places ； Moderate to heavy snow (rain or sleet) occurs in parts of eastern Tibet, central and eastern Qinghai, and heavy snow occurs locally 。 Some regions in Northeast Inner Mongolia, central Jilin, Xinjiang along Tianshan Mountains and South Xinjiang Basin, eastern and southern Tibet, Hexi and central Gansu, northern Hebei, southern Shandong, eastern Hubei, northern Jiangxi and other regions have 4-6 wind, of which, some regions in Northeast Inner Mongolia, northern Xinjiang and other regions have 6-7 wind, and some regions in South Xinjiang Basin have 8-9 wind (See Figure 1).

Figure 1 National Precipitation Forecast Map (08:00, May 17 to 08:00, May 18)

From 08:00 on May 18 to 08:00 on May 19, There are moderate to heavy rains in parts of the southeast of Inner Mongolia, the south and west of Jiangnan, the central and western Chongqing, the southeast of southwest China, and most of South China, among which, there are heavy rains or torrential rains (100~210mm) in parts of southern Hunan, southeast Guizhou, central and northern Guangxi, and southern coastal areas, northwest Guangdong, and southern coastal areas; Moderate to heavy snow (rain or sleet) occurs in parts of eastern Tibet, central and eastern Qinghai, western Sichuan Plateau, etc 。 Some areas in central Inner Mongolia, northeast Heilongjiang, and Nanjiang Basin in Xinjiang have winds of 4~6 degrees (see Figure 2).

Figure 2 National Precipitation Forecast Map (08:00, May 18 to 08:00, May 19)

From 08:00 on May 19 to 08:00 on May 20, Some regions in Tianjin, southern Hubei, southeast Yunnan, southern Jiangnan, and most of South China have heavy rain, among which some regions in central and western Guangdong and the Guangdong Hong Kong Macao Greater Bay Area have heavy rain, and local heavy rain (250~260 mm). Some areas in northwestern Inner Mongolia, southern Xinjiang, Gansu Hexi and other places have a force 4 to 6 wind (see Figure 3).