Illustration photo

Accordingly, level 1 in light blue tells small risk; level 2 in light yellow is medium risk; level 3 in orange is high risk; level 4 in red alerts extreme risk and level 5 in violet features a catastrophe.

In addition, the Decision also classifies risk levels of low pressure and storm, from level three to level five.

Especially, level 5 is applied to extremely strong storms from grade 12-15 in the South and super storms from grade 16 and above in coastal areas in the Northern and Central regions.  

There are five risk levels for flood disasters; two of whirlwind, thunder, freezing rain; three of heavy rain; three of hot weather; four of drought; three of damaging cold and hoarfrost; three of fog; three of flash flood; two of landslide; two of salt erosion; five of sea level rise; five of earthquake;and two of tsunami (level 3 and level 5)./.

By Huong Giang