What are the extreme weather?
1, extreme rainfall
The rainstorm warning signal is orange or above, that is, it is estimated that 1 hour precipitation will reach over 70mm, or 6-hour precipitation will reach100mm, or 24-hour precipitation will reach over150mm.
2. Strong wind
Warning signal of orange gale and above, that is, the estimated average wind force 10 or above, or gust 1 1 above.
3. Hail
Hail red warning signal, that is, the estimated cumulative hail time is more than 30 minutes, the hail diameter is more than 2 cm, and the hail thickness is more than 5 cm.
4. Extreme snowfall
The warning signal of blizzard yellow and above, that is, it is estimated that the snowfall will reach more than 6 mm in 12 hours.
5. Fog
Fog red warning signal, that is, it is expected that there may be strong foggy weather within 2 hours, and the visibility is less than 50 meters, or the fog with visibility less than 50 meters has appeared and may continue.