China Weather Network News Yesterday (April 4) night began, a new round of heavy rainfall in the south officially began, Chongqing, Guizhou, Hubei and other places were the first to feel the rain intrusion. Today and tomorrow, the rain belt will continue to move eastward, increasing in intensity, and today will usher in the strongest period of this round of rainfall process, local or current heavy rain. In addition, a cold air also quietly started, starting tomorrow to the 17nd, most of the central and eastern regions that were upgraded in the early warm and hot will suffer a "seasonal" cooling.

Heavy rainfall in the south is at its peak today, Jiangxi, Zhejiang, Fujian and other places have heavy rainfall accompanied by strong convection

Yesterday, during the day, most of China still maintained a pattern of scarce precipitation, and at night, Chongqing, Hunan, Hubei and other places rained on the waterline, and a new round of heavy rainfall in the south began. According to actual monitoring, yesterday, heavy rain or heavy rain occurred in parts of the central Sichuan Basin, southwestern Chongqing, northeastern Guizhou, central Hubei, northeastern Hunan, northwestern Jiangxi, southeastern Fujian, eastern Guangdong and other places, and Chongqing Jiulongpo, Beibei and other places reached the magnitude of heavy rainfall (100~142 mm).

This day and tomorrow, the rain band continues to move eastward and further intensify, and today will usher in the heaviest rainfall period. The Central Meteorological Observatory issued a blue warning for heavy rain this morning, and strong rain in Jiangxi, Zhejiang and Fujian. Specifically, today, northeastern Guangxi, northern Guangdong, eastern and southern Hunan, southern Anhui, most of Jiangxi, most of Zhejiang, western Fujian and other places have heavy to heavy rainfall, among which, eastern Jiangxi, southwestern Zhejiang, northwestern Fujian and other places have heavy rainfall (100~130 mm).

Tomorrow, as cold air moves south, heavy rainfall in the south will weaken rapidly. It is expected that there will be moderate to heavy rain in parts of central and eastern Guangdong, southern Jiangxi, most of Fujian, southern Zhejiang and other places, among which, there will be heavy rain (50~90 mm) in southern Fujian, central and eastern Guangdong.

It is worth noting that due to the early warming, the accumulation of unstable energy for the atmosphere, coupled with the rapid development of the southwest jet stream and good water vapor conditions, the current round of strong rainfall in the south will be accompanied by obvious strong convective weather, especially in the east of southwest China, northwest of Hunan, central and southern Hubei, it is necessary to be vigilant against short-term heavy precipitation, thunderstorms, gales and hail weather.

Cold air starts today, the warm and hot pattern in the central and eastern regions is about to be broken

In terms of temperature, yesterday, the warmth in the central and eastern regions of China continued to upgrade, and many places warmed the level of June all year round. As of 6:16 yesterday, the temperature in 30 provincial capital-level cities such as Hohhot, Taiyuan, Jinan, Hefei and Changsha hit a new high this year.

Changsha Sunshine Online yesterday morning. (Photo/Dai Shuairu)

However, starting today, a cold air with good strength quietly set off, it is expected that tomorrow to the 22nd, the cold air will rapidly move east to the south, bringing significant cooling to most of China, except for Tibet, Yunnan, Heilongjiang and South China, the cumulative cooling range in most other areas will exceed 10 °C, of which, Gansu, Shaanxi, Shanxi, Henan, Hubei, northern Hunan a large area fell by more than 20 °C, local close to 30 °C, from "summer" to "winter" in two or three days.

In large cities, such as Taiyuan, the maximum temperature is still around 30°C this day and tomorrow, and the maximum temperature will drop to around 9°C around the weekend. Not only Taiyuan, but also Xi'an, Yinchuan, Zhengzhou and other places are also cooling violently, and the maximum temperature is almost always from the "3" to single digits.

The meteorological department reminds that the cold air is rushing day and night, the public in the above areas should not be confused by the "fake summer" in front of them, do not rush to put away thick clothes, pay attention to the forecast and warning, and add clothes in time according to weather changes.