There is strong rainfall in Shaanxi, Shanxi, Shandong and other places, and the high temperature in Jiangnan, Jianghuai and other places continues.
CCTV News:According to the website of the Central Meteorological Observatory, it is estimated that there will be heavy rain or heavy rain in parts of north-central Shaanxi, south-central Shanxi, southern Hebei, northern Henan, central and western Shandong, eastern Qinghai, eastern and southern Gansu, eastern Heilongjiang and northwestern Sichuan Basin from 08: 00 to 28: 00 on July 27. In the next three days, there will be high temperature above 35℃ in the southeastern part of northwest China, the central and western parts of Huanghuai, Sichuan Basin, Jianghan, Jianghuai, Jiangnan and most parts of South China.
Heavy rain occurred in Gansu, Shaanxi, Shanxi, Lu Yu and other places.
Yesterday, there were scattered rainstorms or heavy rains in southeastern Gansu, northwestern Shaanxi, south-central Shanxi, Cangzhou, Hebei, central and eastern Shandong, northern Henan and northwestern Sichuan Basin. The local rainfall in Dingxi, Gansu, Jincheng, Shanxi, Luoyang, Henan and Mianyang, Sichuan was 140-158 mm, and the maximum hourly rainfall intensity in the above areas was 60-90 mm.
Yesterday, high temperature weather above 35℃ occurred from the south of Huanghuai to South China, Sichuan Basin, central and southern Shaanxi, 40 ~ 42℃ in northern Jiangnan and parts of Chongqing and Shaanxi Guanzhong, and 43℃ in Xunyang, Shaanxi; Four counties and cities broke the historical extreme value, and 36 counties and cities broke the July extreme value; The affected area of high temperature is about 2.18 million square kilometers, an increase of 470,000 square kilometers over the previous day.
Key weather forecast
1. Shaanxi, Shanxi, Shandong and other places have strong rainfall.
Affected by the low-level shear system around the subtropical high, there was a strong precipitation process in the central and eastern parts of northwest China, north China, central and northern Huanghuai and other places from 27th to 29th, with moderate to heavy rain in some areas and local heavy rain or heavy rain. It is estimated that from 08: 00 on July 27 to 08: 00 on July 28, there will be heavy rain or rainstorm in parts of central and northern Shaanxi, central and southern Shanxi, southern Hebei, northern Henan, central and western Shandong, eastern Qinghai, eastern and southern Gansu, eastern Heilongjiang and northwestern Sichuan Basin, among which there will be heavy rain (100-140 mm) in central Shaanxi and southwestern Shanxi. There is short-term heavy precipitation in some of the above areas, accompanied by strong convective weather such as thunderstorms and strong winds. The maximum hourly rain intensity can reach 20 ~ 50 mm, and the local area exceeds 60 mm (see Figure 1). The Central Meteorological Observatory continued to issue a blue rainstorm warning at 06: 00 on July 27.
Fig. 1 Forecast Map of Heavy Rainfall in China (08: 00 on July 27th-08: 00 on July 28th)
The high temperature in Jiangnan Jianghuai and other places continues
Affected by the subtropical high, in the next three days, there will be high temperature weather above 35℃ in the southeastern part of northwest China, the central and western parts of Huanghuai, Sichuan Basin, Jianghan, Jianghuai, Jiangnan and most of southern China, among which the highest temperature in some areas of central and southern Shaanxi, central and southern Huanghuai, Jianghan, Jianghuai, Jiangnan and eastern Sichuan Basin can reach 37 ~ 39℃, and the local temperature can exceed 40℃. The Central Meteorological Observatory continued to issue a high-temperature orange warning at 06: 00 on July 27th (see Figure 2).
Fig. 2 National Forecast Map of High Temperature Falling Area (08: 00 -20: 00 on July 27th)
Future specific forecast
From 08: 00 on the 27th to 08: 00 on the 28th, there was heavy rainfall in Shanxi, Shaanxi and other places. There are heavy rains or rainstorms in parts of north-central Shaanxi, south-central Shanxi, southern Hebei, northern Henan, central and western Shandong, eastern Qinghai, eastern and southern Gansu, eastern Heilongjiang and northwestern Sichuan Basin, among which there are heavy rains (100-140 mm) in central Shaanxi and southwestern Shanxi. There is short-term heavy precipitation in some of the above areas, accompanied by strong convective weather such as thunderstorms and strong winds. The maximum hourly rain intensity can reach 20 ~ 50 mm, and the local area exceeds 60 mm (see Figure 3).
Figure 3 National Precipitation Forecast Chart (08: 00 on July 27th-08: 00 on July 28th)
From 08: 00 on the 28th to 08: 00 on the 29th, there was still heavy rainfall in Shanxi, Shaanxi. There are moderate to heavy rains in central Shanxi, most of Shaanxi, western Yunnan, Hainan Island, southeastern Qinghai and southern Tibet. Among them, there are heavy rains (50 ~ 60 mm) in central Shanxi and central Shaanxi. There is short-term heavy precipitation in some of the above areas, accompanied by strong convective weather such as thunderstorms and strong winds (see Figure 4).
Figure 4 National Precipitation Forecast Chart (08: 00 on July 28th-08: 00 on July 29th)
From 08: 00 on the 29th to 08: 00 on the 30th, there was still heavy rainfall in southwestern Shaanxi and northwestern Henan. There are moderate to heavy rains in parts of southwestern Shaanxi and southern North China, among which there are heavy rains (50-90 mm) in southwestern Shaanxi and northwestern Henan; In addition, due to the influence of typhoon "Nasha", there was heavy rain in southern Taiwan Province, with local heavy rain (100 ~ 120 mm); There is short-term heavy precipitation in some of the above areas, accompanied by strong convective weather such as thunderstorms and strong winds, and there are 5 ~ 6 northeast winds in the Taiwan Province Strait (see Figure 5).
Figure 5 National Precipitation Forecast Chart (08: 00 on July 29-08: 00 on July 30)
Influence and concern
1. Pay attention to the strong rainfall process in the eastern part of Northwest China, North China, northern Huanghuai and other places to prevent the adverse effects of local heavy rainfall and strong convective weather;
2. Pay attention to the continuous high temperature weather and its adverse effects in Huanghuai, Jianghuai, Jianghan, Jiangnan, Sichuan Basin and Shaanxi Guanzhong;
3. Pay attention to the trend and influence of Typhoon No.9 "Nasha";
4. Pay attention to the trend and influence of meteorological drought in Huanghuai, Jianghuai, northeastern Inner Mongolia, western Heilongjiang and western Jilin.