Tropical cyclone THIRTYTHREE (SAMUEL in the Philippines) made landfall as a tropical depression close to Hernani town (Eastern Samar Province, Eastern Visayas Region) on 20 November. SAMUEL continued west over central-eastern Visayas Islands and Visayan Sea, slightly weakening. Heavy rainfall is affecting the Visayas Islands, northern Mindanao and southern Luzon. On 21 November at 0:00 UTC, its centre was located approx. 20 km north-east of Carles town (Iloilo Province, Western Visayas Region) and 95 km east of Kalibo town (Aklan Province, Western Visayas Region) with maximum sustained winds of 46 km/h. SAMUEL is forecast to continue west towards the South China Sea with maximum sustained winds up to 56 km/h and could reach coastal areas of south-east Vietnam as a tropical storm in the afternoon of 24 November. Over the next 24 hours, heavy rain could affect western Visayas Islands, Palawan Islands and southern Luzon. As of 21 November at 8:00 UTC, a tropical cyclone warning Signal number 1 is in effect for the western Visayas Islands and southern Luzon.