According to meteorological experts, the weakening of the western convergence zone has allowed a western low-pressure area to expand eastward, bringing an end to the persistent humid rain in the North and ushering in stronger sunshine.

On February 27, sunshine will appear early and intensify across the northwestern provinces and the western mountainous areas of Phu Tho. In the northeastern region and in Hanoi, light rain, drizzle and fog may linger in the early morning, before conditions turn dry and temperatures climb.

From now until March 1, Hanoi is expected to remain rain-free, with sunny afternoons. The lowest temperatures will range between 21 and 23C, while the highest could reach 30C on Sunday, March 1.

After this period, under the influence of a new cold air mass, Hanoi may experience scattered showers and thunderstorms. Temperatures are forecast to trend downward, with lows commonly between 19 and 23C and highs easing to around 23 to 24C.

The Southern Regional Hydrometeorological Center forecasts that around the nights of March 2 and 3, the continental cold high-pressure system is likely to strengthen again, with a further intensification possible on March 5 and 6.

The National Center for Hydro-Meteorological Forecasting predicts that from March 3 to 6, the North and the north-central region are likely to see rain and scattered showers, with thunderstorms in some places. From March 3, the North will turn cold, and mountainous areas may experience localized cold spells.

Unseasonal rain spreads across the South

In contrast to the warming trend in the North, the south-central coastal region is being directly affected by a low-pressure trough shifting northward. Bands of convective clouds from the sea continue to move inland, bringing widespread showers and thunderstorms and maintaining relatively cool conditions. Notably, the equatorial trough is acting as the main driver behind the largest unseasonal rainfall event recorded so far this year in the Central Highlands and the South.

Specifically, from now until February 28, the southern part of the Central Highlands, the South, eastern Lam Dong and Khanh Hoa are expected to see showers and scattered thunderstorms, with locally heavy rain in some areas, before rainfall gradually decreases. On February 28, showers and thunderstorms are forecast in a few places.

Other areas will see sunny days, with isolated showers and thunderstorms in the late afternoon and evening. In the northern Central Highlands, scattered showers and thunderstorms are expected, mainly concentrated in the afternoon and evening.

From the night of February 28 through March 8, regions from the central central provinces southward to the South will experience sunny days with isolated showers and thunderstorms in the late afternoon and at night. From March 3, the central central region may see rain and scattered showers, with thunderstorms in some locations.

During thunderstorms, there is a risk of whirlwinds, lightning, hail and strong gusts of wind.

Bao Anh