Storm surges are expected off Sarawak, Sabah and Labuan FT according to MET Malaysia.
Brunei Darussalam Meteorological Department has issued a Flash Flood Warning for 4 districts resulting from heavy and thunder showers.
All sea recreational activities and sports are advised to cease due to the storm surges.
Wind gusts are expected to reach between 40km/h and 50km/h.
Northern Aceh region may experience heavy rainfall according to ECMWF forecast model (indicated above). Flash Floods and landslides are of particular concern post heavy rainfall.
Heavy rainfall is expected over Brunei and Northern Sarawak which is consistent with the Global Forecast Model.
NDRRMC latest situation report (19 Dec 2017) mentioned that:
2 missing with 19 injured;
244,121 families (1,015,817 persons) were affected in 1,669 barangays;
317 areas reported flooding. Of which, floodwaters in 40 areas have already subsided;
PHP 543 million (USD 10.7 million) was sustained to national roads;
PHP 3 million (USD 59,460) was sustained to agricultural crops;
PHP 42 million (~ USD 0.82 million) was provided as assistance by Department of Social Welfare and Development.