1. Rain in Shandong, Yunnan, Guangxi and other places, high temperature in parts of Jianghuai and Jiangnan
During the day today, light to moderate rain, localized heavy rain or heavy rain occurred in parts of southwestern Liaoning and eastern Liaodong Peninsula, central Shandong and peninsula, northeastern and southern Hebei, central and southern Yunnan, Guangxi, southern and western Guangxi, and southern Hainan Island. .
During the day today, high temperature weather of 35-37 °C occurred in southeastern Henan, Anhui, western Jiangsu, central and western Zhejiang, Fujian, Jiangxi, central and eastern Hunan, central and eastern Hubei, and southern Chongqing, with local 38 -40 °C.
Second, the key weather forecast
Heavy precipitation in Sichuan, Shaanxi, Henan, Shandong and other places
Between October 2 and October 4, there was moderate to eastern heavy rain in northeastern Sichuan, central and southern Shaanxi, southern North China, and northern Huanghuai. There was heavy rain in some areas, and local heavy rain.
The Central Meteorological Observatory issued a rainstorm forecast at 18:00 on October 2:From 20:00 on October 2 to 20:00 on October 3, heavy rain is expected in parts of central and southern Shanxi, central and southern Shaanxi, southern Hebei, western and northern Henan, central and northern Shandong, and the Sichuan Basin northern.Among them, southern Shaanxi, Shanxi Heavy rain and local heavy rain (100-110 mm) occurred in parts of southern, central Shandong, and northern Sichuan Basin (see Figure 1). Some of the above areas are accompanied by short-term heavy rain (the maximum hourly rainfall is 20-40 mm, and the local area can exceed 50 mm), and local strong convective weather such as thunderstorms and thunder and strong winds.
Figure 1 Forecast map of heavy rain areas across the country(10moon2Day20:00-3 days 20time)
A cold wave to end the southern heat
Between October 3rd and October 4th, there will be a wide range of high temperature weather processes in Jiangnan, northern South China, Jianghan, Jianghuai and other places. The daily maximum temperature is generally 35-37°C, and 38-39°C in some fields. Above 40 ℃. After 5 days, affected by the cold air, the high temperature gradually eased.
Central Meteorological Observatory10moon2DayA high temperature yellow warning continues to be issued at 18:00: It is estimated that during the day on October 3, southern Henan, Anhui, most of Jiangsu, western Shanghai, most of Hubei, Hunan, Jiangxi, most of Zhejiang, Fujian, southern Chongqing, northeastern Guizhou , northeastern Guangxi, central and northern Guangdong and other places have high temperature weather of 35-36 ℃. Among them, the highest temperature in parts of southern Henan, Anhui, southwestern Jiangsu, central and eastern Hubei, central and eastern Hunan, Jiangxi, Zhejiang, central and western Fujian, and northeast Guangdong is 37-39 ℃ Jiangxi The temperature in the north and northwest Fujian can reach above 40 ℃ (see Figure 2).
picture2 National high temperature fall area forecast map (10moon3 days08Time-20time)
Affected by the strong cold air, it is expected that between 20:00 on 2 October and 20:00 on 6 October, the temperature in most central and eastern parts of the country will generally drop by 8 to 12 degrees Celsius. Huai, Jianghuai, northern Hunan, northern Jiangxi, southern Anhui, southern Jiangsu, northern Zhejiang and other places cooled by 12 to 16 ° C. Among them, central Inner Mongolia, southeastern Heilongjiang, eastern Jilin, southern Henan, Hubei, and parts of central and northern Anhui The cooling rate can reach more than 18 ℃. On the morning of the 6th to the 7th, the lowest temperature line of 0°C will be located in the northern part of North China and the central part of Northeast China, and the lowest temperature line of 10°C will be located in the northeastern part of Sichuan, central Hubei, southern Henan to southern Shandong. There will be winds of magnitude 4 to 6 in the Yangtze River basin and the north, and gusts of magnitude 7 to 8 in high altitude areas and rivers and lakes (see Figures 3 and 4). There will be strong winds of magnitude 7 to 8 and gusts of magnitude 9 to 10 in the northern and eastern seas of my country.Central Meteorological Observatory10moon2DayBlue cold wave warning issued at 18:00and the Yellow Sea Dark Warning.
Figure 3 National strong wind and cooling forecast map(10moon2Day20:00-6 days 20time)
Figure 4 National minimum temperature forecast map(10moon2Day20:00-6 days 20time)
3. A specific forecast for the next three days
From 20:00 on 2nd October to 20:00 on the 3rd,There is heavy rain in parts of central and southern Shanxi, central and southern Shaanxi, southern Hebei, western and northern Henan, central and northern Shandong, and northern Sichuan Basin. Among them, there are parts of southern Shaanxi, southern Shanxi, central Shandong, and northern Sichuan Basin Heavy rain, localized heavy rain (100-110 mm). Winds of magnitude 4 to 6 are in most parts of Inner Mongolia, Northeast China, northern Shaanxi, Beijing-Tianjin-Hebei, central Shandong, and eastern Henan (see Figure 5). There will be strong winds of magnitude 8 to 9 and gusts of magnitude 10 to 11 in the Bohai Sea, the northern Yellow Sea and central and western waters.
Figure 5 National precipitation forecast map (20:00 on 2 October – 20:00 on 3 October)
From 20:00 on October 3rd to 20:00 on the 4th,There is moderate to heavy rain in parts of southeastern Northwest China, western Huanghuai, eastern and western Jianghuai, western Jianghan, northeastern Southwest, and northwestern Yunnan. Among them, southern Shaanxi, western Henan, west Hubei, northeast Sichuan Basin, There is heavy rain or heavy rain (100-110 mm) in parts of northeast Chongqing and other places. There are winds of magnitude 4 to 6 in parts of central Inner Mongolia, northeastern Heilongjiang, southern Hebei, southern Shandong, and western Shanghai. Among them, there are winds of magnitude 6 to 7 in parts of the Liaodong Peninsula (see Figure 6) . There will be strong winds of magnitude 8 to 9 and gusts of magnitude 10 to 11 in the Bohai Sea, the northern Yellow Sea and the central and western waters.
Figure 6 National precipitation forecast map (20:00 on 3 October – 20:00 on 4 October)
From 20:00 on October 4th to 20:00 on the 5th,Northern and eastern Tibet, eastern and southern Qinghai, eastern Northwest China, southern and western Northern China, western Huanghuai, most of Jianghuai, eastern and western Jianghan, eastern and southern Jiangnan, northern Southwest, central and southern western Guangdong, Hainan Island, There are light to moderate rains in parts of Taiwan Island and other places. Among them, there are heavy rains (25-45 mm) in parts of southern Shaanxi, southern and western Henan, northern Anhui, and western Hubei. There are 4-5 winds in parts of central Inner Mongolia and northeastern Heilongjiang (see Figure 7).
Figure 7 National precipitation forecast map (20:00 on 4th October – 20:00 on 5th)
4. Influence and Anxiety
1. Strong cold air will affect most of the central and eastern regions, pay attention to the adverse effects of strong winds and cooling weather on holiday travel, people’s health, agricultural production, etc.; strong winds and influences in the Bohai Sea, Bohai Strait, the Yellow Sea and the East China Sea;
2. Heavy rainfall and local strong convective weather in parts of Sichuan, Shaanxi, Hebei, Henan, Shandong, northern Jiangsu and Anhui, etc., pay attention to the possible flash floods, geological disasters, and small and medium river floods;
3. The impact of high temperature weather in southern China on human health and energy supply on the 3rd and 4th, and pay attention to the development trend of meteorological drought;
4. National Day holiday weather service.
