Subseasonal Weather Outlook (4 – 17 April 2022)

Issued: 1 April 2022
First forecast week: 4 April – 10 April
Second forecast week: 11 April – 17 April


Figure 1: Rainfall Outlook


Figure 2: Temperature Outlook


Wetter conditions are expected over the band covering the Malay Peninsula, southeastern Mainland Southeast Asia, and the Philippines in Week 1 (4 – 10 April). These wetter conditions are expected to persist for much of the region in Week 2 (11 – 17 April), apart from over parts of the Malay Peninsula and southern Philippines.

Drier conditions are predicted for much of the southern half of the Maritime Continent over the next fortnight (4 – 17 April). Drier conditions are also predicted over central and northeastern Mainland Southeast Asia in Week 1 (4 – 10 April) only.

Warmer conditions than usual are predicted over much of the southern half of the Maritime Continent in the next fortnight (4 – 17 April), in line with the drier conditions predicted. Cooler temperatures than usual are expected over much of Mainland Southeast Asia and the northern half of the Malay Peninsula in Week 1 (4 – 10 April).

No discernible Madden-Julian Oscillation (MJO) signal was present at the end of March. Most models predict no significant MJO activity 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.