The ominous cloud formations, lasting about 30 to 40 minutes, stirred concerns among the local populace about the incoming severe weather.

"Never before have I seen such huge cloud formations, and it's quite worrying as the typhoon approaches," said Tran Thi My Hanh from Le Loi Ward, describing the unusual weather that included strong winds and a light drizzle.

The unexpected cloud display, while visually striking, signaled the need for urgent preparations. Nguyen Van Binh, a local from Doi Cung Ward, reported strong whirlwinds around midnight, followed by an oppressive dark sky in the morning.

"People are buying essentials and securing their homes, fearing the worst," he noted.

In response to Typhoon Yagi, hydroelectric plants like Ban Ve in Tuong Duong district are reducing water discharge to mitigate flood risks downstream. Similarly, Nậm Nơn plant has adjusted its reservoir management to ensure safety for the communities along the riverbanks.

Authorities and citizens are on high alert, reinforcing homes and preparing for potential evacuations.

"We are doing everything possible to ensure minimal damage and maintain safety," assured a spokesperson from the local disaster management office.

Quoc Huy