What are the extreme weather?

Extreme weather includes extreme rainfall, strong winds, hail, extreme snowfall, fog and so on.

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.