Which city in Hebei suffered a sudden hailstorm?

On the evening of September 7, hail suddenly fell in Jinzhou City, Shijiazhuang, Hebei Province.

Netizens reported: On the evening of September 7, a sudden hailstorm fell in Jinzhou City, Shijiazhuang, Hebei Province, with the size of a pigeon egg. The damage was unclear. This time, the hail lasted about 5-6 minutes.

According to the staff of the local meteorological bureau, it was observed that most of the hailstones that fell this time were "soft hail". Many of the hailstones melted when they hit the ground and should not cause major damage. The details still need to be further observed and counted. .

Extended information

Conditions for the formation of hail

1. There must be a fairly thick unstable layer in the atmosphere.

2. Cumulonimbus clouds must develop to a temperature that can freeze individual large water droplets (it is generally believed that the temperature reaches -12~-16℃).

3. There must be strong wind shear.

4. The vertical thickness of the cloud cannot be less than 6 to 8 kilometers.

5. Cumulonimbus clouds are rich in water. Generally, it is 3 to 8 grams per cubic meter. There is an accumulation zone of liquid supercooled water above the maximum rising speed.

6. There should be inclined, strong and uneven updrafts in the cloud, generally above 10 to 20 meters/second.

Baidu Encyclopedia - Hail (weather phenomenon)

Hebei News Network - Netizens reported: On the evening of September 7, hail suddenly fell in Jinzhou City, Shijiazhuang, Hebei Province