The color grade order of the early warning signal of flash flood rainfall intensity is as follows

The color grade order of the early warning signal of flash flood rainfall intensity is yellow, orange and red.

The rainstorm warning signal is an early warning signal made by the meteorological department before the rainstorm comes through meteorological monitoring. In Chinese mainland, the red rainstorm warning signal is the highest, which indicates that in the past three hours, the rainfall in some places has exceeded 100 mm, and the rainfall may continue. In the Hong Kong Special Administrative Region, there are three levels (yellow, red and black), and the black rainstorm warning signal is the highest level.

There are only rainstorm warning signals in Macao Special Administrative Region, and issuing rainstorm warning signals is helpful to improve early warning ability and reduce people's property losses and casualties.

The competent meteorological departments in the State Council are responsible for the management of the release, cancellation and dissemination of national early warning signals, and the local competent meteorological departments at all levels are responsible for the management of the release, cancellation and dissemination of early warning signals within their respective administrative areas. Other relevant departments shall, in accordance with their duties, cooperate with the competent meteorological departments in the release and dissemination of early warning signals.

Early warning case

According to the official Weibo news of Shenzhen Internet Information Office, it is estimated that from 8: 30 am to 9: 30 am on March 3 1 Sunday 20 14, a new round of strong thunderstorm weather will affect Shenzhen from northwest to southeast, and the rainstorm red warning signal will continue to take effect until around noon, and the whole city will enter an emergency defense rainstorm state; According to the "Guidelines for Public Defending against Typhoon and Rainstorm in Shenzhen", primary and secondary schools, kindergartens and nurseries in the city will be closed for one day. It is suggested that the employer arrange employees to stop work or postpone work.

On March 27th, 2020, a heavy rainstorm occurred in Deqing, Guangdong Province, accompanied by strong convective weather such as short-term 6-8 gale and local hail, and the rain developed rapidly. On March 27th, Deqing issued a red rainstorm warning at 17: 25, and started the Class III emergency response of rainstorm. Heavy precipitation has caused water accumulation in many streets in Deqing County, and water has also entered residents' homes. According to statistics, this rainstorm happened in red warning signal.