Subseasonal Weather Outlook and Review

Subseasonal Weather Outlook (31 October – 13 November 2022)

Issued: 28 October 2022
First forecast week: 31 October – 6 November
Second forecast week: 7 November – 13 November

Figure 1: Rainfall Outlook

Figure 2: Temperature Outlook

 

Wetter conditions are expected over parts of the eastern Maritime Continent in the next fortnight (31 October – 13 November). Wetter conditions are also predicted over parts of the southwestern Maritime Continent in Week 2 (7 – 13 November).

Drier conditions are expected over much of central and eastern Mainland Southeast Asia in Week 1 (31 October – 6 November).

Cooler than usual temperature is expected over much of central and southeastern Mainland Southeast Asia in Week 1 (31 October – 6 November).

A Madden-Julian Oscillation (MJO) signal was present over the Western Pacific (Phases 6 and 7) towards the end of October based on the RMM Index. Most models forecast MJO activity to be predominantly over the Western Pacific in 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.

Subseasonal Weather Outlook (31 October – 13 November 2022)

Issued: 28 October 2022
First forecast week: 31 October – 6 November
Second forecast week: 7 November – 13 November

Figure 1: Rainfall Outlook

Figure 2: Temperature Outlook

 

Wetter conditions are expected over parts of the eastern Maritime Continent in the next fortnight (31 October – 13 November). Wetter conditions are also predicted over parts of the southwestern Maritime Continent in Week 2 (7 – 13 November).

Drier conditions are expected over much of central and eastern Mainland Southeast Asia in Week 1 (31 October – 6 November).

Cooler than usual temperature is expected over much of central and southeastern Mainland Southeast Asia in Week 1 (31 October – 6 November).

A Madden-Julian Oscillation (MJO) signal was present over the Western Pacific (Phases 6 and 7) towards the end of October based on the RMM Index. Most models forecast MJO activity to be predominantly over the Western Pacific in 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.