Earlier, the centre forecast nine or ten storms and tropicaldepressions will occur in the waters this year, four or five of thesewill directly hit the Vietnamese mainland.
The rainyseason in the Central Highlands and southern regions will start in lateMay or early June, later than the previous years, it said.
The service also warned localities nationwide of dangerous weatherphenomena in May – a transitional period – such as rainstorms,whirlwinds and hailstorms.
Meanwhile, the Mayaverage temperature across Vietnam is projected to be 0.5-1 degreeCelsius higher than the traditional average.
Averagerainfall this month in the north will be 15-30 percent lower than thetraditional average, while in the central, Central Highlands andsouthern regions it will be 20-50 percent lower, the centre said.-VNA