中新网10月20日电 据中央气象台网站消息，昨日，广东西南部、广西东南部等地出现强降雨。In the next three days, Guangdong, Guangxi and other places will face the risk of heavy rain disasters, and prevent secondary disasters that may be caused by local heavy rainfall。

There are strong wind and rain in South China

Typhoon "Sanba", the 16th typhoon this year, strengthened into a severe tropical storm last night and weakened to a tropical storm this morning (20). At 5 am, its center was located in the sea off the western coast of Leizhou Peninsula, Guangdong Province, which is 21 north latitude.4 degrees, longitude 109 east.6 degrees, the maximum wind near the center is 9 (23 m/s), the minimum pressure in the center is 988 hpa, and the seven wind circle radius is 70-110 kilometers。

It is expected that "Sanba" will move southward at a speed of about 10 kilometers per hour, and may brush or land in the west of Leizhou Peninsula to the northwest coast of Hainan Island, and the intensity will gradually weaken。

This year's 16th typhoon "Sanba" in the next 24 hours track probability forecast chart。Photo Source: Central Meteorological Observatory website

From the 20th to the 21st, due to the joint impact of typhoon "Sanba" and cold air, southeast Guangxi, western and northern Guangdong, southern Fujian, Hainan Island and other places have moderate to heavy rain, some areas have heavy rain or heavy rain, local heavy rain。Among them, on the 20th, the southeast of Guangxi, the western part of Guangdong, the northern part of Hainan Island and other places have heavy rain, including the southeast of Guangxi, the southwest part of Guangdong has heavy rain, the southwest part of Guangdong local heavy rain (250 ~ 350 mm)。Some of the above areas are accompanied by short-term heavy precipitation (maximum hourly rainfall of 20 ~ 50 mm, local can exceed 80 mm), local thunderstorms and wind and other strong convection weather。

Most of the East China Sea, the Taiwan Strait, the northern waters of the South China Sea, the Beibu Gulf, and the Qiongzhou Strait will have a wind of 7 to 8, with a gust of 9, and some parts of the northern Gulf will have a wind of 9, with a gust of 10 to 11。The central and eastern parts of Inner Mongolia, the northern part of Hainan Island, the southern coast of Guangxi and the western coast of Guangdong will have winds of 5 to 6, with gusts of 7 to 8。

National heavy rainfall Forecast map (08:00 on October 20 to 08:00 on October 21)。Photo Source: Central Meteorological Observatory website

Strong cold air continues to affect central and eastern regions

Strong cold air affected central and eastern parts of China on the 20th, strong winds and cooling weather。In the eastern part of Northeast China, the eastern part of Huanghuai, the eastern part of Jianghuai, the eastern and southern parts of Jiangnan, and the southern part of South China, the temperature dropped by 2~6℃, and the local temperature dropped by 8℃.The above areas are accompanied by strong winds of 4 to 6 and gusts of 7 to 8。

Domestic specific forecast for the next three days

From 08:00 on October 20 to 08:00 on October 21, there was light snow or sleet in some parts of eastern Jilin, northern Tibet, southern Qinghai and northern Sichuan Plateau。Some parts of southern South China and other places have heavy rain, among which, the southeast coast of Guangxi, southwest Guangdong and other parts of the heavy rain, southwest Guangdong and other local heavy rain (250 ~ 350 mm)。The central and eastern parts of Inner Mongolia, the northern part of Hainan Island, the southern coast of Guangxi and the western coast of Guangdong will have winds of 5 to 6, with gusts of 7 to 8。

National precipitation forecast chart (08:00, October 20-08:00, October 21)。Photo Source: Central Meteorological Observatory website

From 08:00 on October 21 to 08:00 on October 22, some parts of northeastern Inner Mongolia, western Heilongjiang, eastern Northeast, northern Xinjiang, northern Tibet, northern and western Qinghai and other places had light to moderate snow, and local heavy snow。Some parts of southeastern Guangxi, western Guangdong, Hainan Island and other places have moderate to heavy rain, among which, the northeast of Hainan Island and other places have heavy rain。National precipitation forecast chart (08:00, October 20-08:00, October 21)。Photo Source: Central Meteorological Observatory website

From 08:00 on October 21 to 08:00 on October 22, some parts of northeastern Inner Mongolia, western Heilongjiang, eastern Northeast, northern Xinjiang, northern Tibet, northern and western Qinghai and other places had light to moderate snow, and local heavy snow。Some parts of southeastern Guangxi, western Guangdong, Hainan Island and other places have moderate to heavy rain, among which, the northeast of Hainan Island and other places have heavy rain。

National precipitation forecast chart (08:00, October 21-08:00, October 22)。Photo Source: Central Meteorological Observatory website

From 08:00 on October 22 to 08:00 on October 23, some parts of northern Xinjiang, northern and eastern Tibet, southern Qinghai and other places had light to moderate snow and local heavy snow。Some parts of northwestern Sichuan, southern Guangxi, Hainan Island, Taiwan Island and other places have light to moderate rain, among which, the northeast of Hainan Island and other places have heavy rain。

National precipitation forecast chart (08:00, October 22-08:00, October 23)。Photo Source: Central Meteorological Observatory website