Historical early warning of blue rainstorm warning

At 20: 45pm on June 4th, 20 13, Beijing Meteorological Observatory issued two blue rainstorm warning signals, which was the first time that Beijing issued a blue rainstorm warning since June 1 3 entered the flood season. Yesterday's rainfall was unevenly distributed. There is heavy rain in the north of the city, but there is no obvious rainfall in most parts of the city. According to the rainfall from 8: 00 to 20: 00 released by the Municipal Meteorological Observatory, the average rainfall in the northeast is 28. 1 mm, the average rainfall in the northwest is 19.5 mm, the maximum rainfall is 7 1.2 mm in front of Huairou Liangxiao, the average rainfall in the southwest is 0.2 mm, and the average rainfall in the southeast and urban areas is 0. 1 mm.

On June 4, 20 13, the weather in Beijing began to be gloomy early in the morning. At 9 o'clock in the morning, there were showers in the northwest of Beijing and lightning weather in Yanqing. Some parts of Beijing, especially the north, are as white as night, and dark clouds overwhelm the city. At 9: 55 am, the Beijing Meteorological Observatory issued a yellow warning signal for lightning, and it is expected that there will be lightning activity in the northern part of Beijing in the next three hours. On 1 1 in the morning, the Meteorological Observatory issued a blue rainstorm warning signal to predict heavy rain to heavy rain in Yanqing, southern Huairou and northern Changping. This is the first blue rainstorm warning signal issued since Beijing entered the flood season on June 1. 1 1: 30, Beijing Meteorological Bureau started the emergency response of rainstorm level IV. As of the afternoon of 16, rainfall mostly occurred in the northwest and northeast counties of Beijing, and there was no obvious rainfall in most areas of the central city and southern counties.

20 13 At 20: 45 pm on June 4th, the Municipal Meteorological Observatory issued a blue rainstorm warning signal. It is predicted that there will be heavy rains in eastern Fangshan, Fengtai, Daxing, southwestern Tongzhou, northern Huairou and northern Miyun in the first half of the night.

At 22: 00 on June 4, 2065438+03, there was heavy rain in the north and east of Beijing, accompanied by lightning weather.

Guo, chief forecaster of Beijing Meteorological Observatory, said that this was the first obvious precipitation since the flood season. The blue rainstorm warning is not qualitative, and it is a thunderstorm at present. Yesterday's rain was mainly due to the strong easterly wind near the surface layer and the southerly airflow at low altitude, resulting in relatively high humidity.

The Central Meteorological Observatory issued a blue rainstorm warning 20 16 at 06: 00 on March 20: It is estimated that there will be heavy rainstorms in parts of northeastern Guangxi, north-central Guangdong, southern Hunan, south-central Jiangxi and western Fujian from 08: 00 on March 20 to 08: 00 on March 26, among which there will be heavy rainstorms in parts of northeastern Guangxi, northern Guangdong and southern Jiangxi (65438).