Hail warning signal is divided into two levels, what color are they?
1. Hail orange warning signal standard: Hail weather may occur within 6 hours and may cause hail disaster.
2. Hail red warning signal standard: There is a greater possibility of hail within 2 hours, which may cause a greater hail disaster.
In addition, in China, the hail warning signal is divided into two levels, which are represented by orange and red respectively. Hail weather warning * * * is divided into two levels, which are represented by orange and red respectively. Among them, the orange warning signal of hail indicates that there may be hail with lightning weather within 6 hours.
Other grades:
According to the diameter of the largest hail (general hail), the cumulative hail time and the cumulative thickness of hail in a hail process, the hail is divided into three levels:
1, light hail: the diameter of most hail is less than 0.5cm, the cumulative hail falling time is less than10min, and the hail thickness in the area is less than 2cm.
2. Moderate hail: The diameter of most hail is 0.5 ~ 2.0 cm, the cumulative hail falling time is 10 ~ 30 minutes, and the hail thickness is 2 ~ 5 cm.
3. Heavy Hail: Most hailstones have a diameter greater than 2.0 cm, the cumulative hail time is greater than 30 minutes, and the hail thickness is greater than 5 cm.