Subseasonal Weather Outlook (24 July – 6 August 2023)
Issued: 21 July 2023
First forecast week: 24 July – 30 July 2023
Second forecast week: 31 July – 6 August 2023
Drier conditions are predicted over much of the southern ASEAN region in Week 1 (24 – 30 July). These drier conditions are predicted to persist over the central and eastern parts of the mentioned region in Week 2 (31 July – 6 Aug).
Wetter conditions are predicted over the northern half of the Philippines in Week 1 (24 – 30 July). Wetter conditions are also predicted over parts of the western Maritime Continent in Week 2 (31 July – 6 Aug).
Warmer than usual temperature is predicted over much of the Maritime Continent in the next fortnight (24 July – 6 Aug). Warmer than usual temperature is also predicted over northern Mainland Southeast Asia in Week 1 (24 – 30 July).
No clear Madden-Julian Oscillation (MJO) signal was present in the third week of July. Most models predict no significant MJO signal during the forecast period.
The outlook is assessed for the region in general, where conditions are relative to the average conditions for the corresponding time of year. For specific updates on the national scale, the relevant ASEAN National Meteorological and Hydrological Services should be consulted.