The National Center for Hydro-meteorological Forecasting Center has maintained orange alert for typhoon Mujigae despite its projected course is forecasted to hit southern China.

The 4th storm in Vietnam’s East Sea this year was located northeastern of China’s Hainan Province at 8 a.m. on Sunday, and became stronger with winds of up to 150 kilometers per hour (kph).

It is forecasted to move further between west and northwest with a speed of 20 kph.

The typhoon will reach the Beibu Gulf off northern Vietnam’s coast at 7 p.m. on Sunday after with winds of about 100 kph.

Waves of up to 6 m are forecasted in the northern seas with gales.

The typhoon will weaken into a tropical depression when reaching southern Guangxi in China on Monday and a low pressure area on Tuesday.

In Vietnam, it will cause moderate to heavy rains late Tuesday.

Vietnam has a five-tier color-coded weather warning system, with purple representing the most severe weather, followed by red, orange, yellow and blue.