Northern Vietnam goes sub-zero as cold wave intensifies

Other places with plummeting temperatures were Tam Dao in Vinh Phuc Province (1 degree), Dong Van in Ha Giang (2 degrees), and Sa Pa in Lao Cai (3 degrees).

The Red River Delta typically had temperatures of 9-10 degrees.

In Hanoi, while weather stations recorded 9-10 degrees, actual temperatures can be 2-3 degrees lower.

Mt Phia Oac in Cao Bang had had ice and frost since Monday afternoon. Ice also began forming on Mau Son, and became thicker as itrained and temperatures dropped below zero.

High-altitude areas are likely to see further ice and frost on Tuesday. The maximum temperatures in Hanoi and other localities in the plains will be around 13 degrees.

The highest in mountainous locations like Sa Pa will be 6-7 degrees.

The current cold wave, which has caused average daytime temperatures to fall below 15 degrees, should last until Jan. 25 in the northern and north-central regions, according to the National Center for Hydro-Meteorological Forecasting.

The National Steering Committee for Natural Disaster Prevention has called on local authorities to monitor the cold wave and provide proper instructions to the public.

It is the second severe cold wave this winter after an earlier one that lasted from Dec. 17 to 22.

Then, Mau Son recorded temperatures of minus 2.5 degrees, the lowest in 11 years.