The Vanuatu Meteorology and Geohazards Department (VMGD) has issued a warning for isolated heavy rainfall and thunder over TORBA, SANMA, PENAMA and MALAMPA Province.
The department said people in these provinces are advised to take extra precaution for possible flash-flooding, landslide and coastal flooding over low lying areas and areas close to river banks.
They are also being cautioned to remain indoors where thunderstorm activities are happening.
The adverse weather conditions have continued from Friday.
Photo supplied Caption: Poor visibility in Port Vila Harbour