19th July 2021 – (Macao) Signal No.1 is still in effect in Macao. According to Macao Meteorological and Geophysical Bureau, the present signal may be replaced by Signal No.3 between 2pm and 5pm today. The local winds will strengthen. A tropical cyclone is centred within 800km of Macao and may affected Macao.
Typhoon Signal may be issued between midnight and morning in Macao on 20th July and the possibility is relatively low to medium.
Tropical Storm Cempaka possesses a relatively small circulation and is expected to move northerly within the next 24 hours. It will be closest to Macao during midnight and morning on the 20th , passing within 100km southwest of Macao. Affecting by Cempaka’s circulation, public should be aware that winds will be strengthening to strong wind level with heavy showers between tonight and midnight. If Cempaka intensifies further and moves closer to Macao, the possibility of issuing Typhoon Signal No.8 should not be neglected. The SMG will monitor closely the development of Cempaka.
Besides, as Cempaka intensifies further and move towards a more northerly track than expected, though it is not during the high phase of the astronomical tide on the 20th , storm surge arise from Cempaka may lead to light flooding within some low-lying areas of the Inner Harbour. The SMG may consider issuing the Blue Storm Surge Warning this afternoon.
Meanwhile, in Hong Kong, acording to the present forecast track, Cempaka will edge gradually close to the coast of western Guangdong. Winds in the vicinity of the Pearl River Estuary are expected to strengthen later today and tomorrow morning. The Observatory will consider issuing the Strong Wind Signal, No. 3 in the next few hours.