Degree

Meaning
Symbol

Recommended Safety Precautions
1

Yellow


The water level is expected to be below 0.5 meter above road level.

Check the safety of objects which might get wet or damaged by water.
Move objects to a level out of water reach.
Circulation of pedestrians and vehicles in flooding areas should be strictly avoided.
Parking of the vehicles in flooding areas should be avoided and pay attention of vehicles locate at underground parking spaces.
Finish all precautionary measures and keep in a safe place.

2

Red


The water level is expected to be 0.5 to 1 meter from road level.

3

Black


 

The water level is expected to be above 1 meter from road level.