Subseasonal Weather Outlook and Review

Subseasonal Weather Outlook (1 – 15 July 2019)

Issued 2 July 2019
Valid for weeks 1 and 2: 1 July – 15 July

Figure 1: Rainfall Outlook

Figure 2: Temperature Outlook

For the first fortnight of July 2019, drier-than-average conditions are expected over parts of the southern ASEAN region, including the southern parts of Sumatra and Kalimantan, and Java. Wetter-than-average conditions may develop over parts of eastern Maritime Continent and eastern Mekong sub-region in Week 1.

Warmer-than-average conditions present over the inland parts of the northern ASEAN region are expected to ease.

There is currently no significant Madden-Julian Oscillation (MJO) signal present. For the first fortnight of July 2019, there are no consistent signs of an MJO re-developing.

The outlook is assessed for the region in general. For specific updates on the national scale, the relevant ASEAN National Meteorological and Hydrological Services should be consulted.

Subseasonal Weather Outlook (1 – 15 July 2019)

Issued 2 July 2019
Valid for weeks 1 and 2: 1 July – 15 July

Figure 1: Rainfall Outlook

Figure 2: Temperature Outlook

For the first fortnight of July 2019, drier-than-average conditions are expected over parts of the southern ASEAN region, including the southern parts of Sumatra and Kalimantan, and Java. Wetter-than-average conditions may develop over parts of eastern Maritime Continent and eastern Mekong sub-region in Week 1.

Warmer-than-average conditions present over the inland parts of the northern ASEAN region are expected to ease.

There is currently no significant Madden-Julian Oscillation (MJO) signal present. For the first fortnight of July 2019, there are no consistent signs of an MJO re-developing.

The outlook is assessed for the region in general. For specific updates on the national scale, the relevant ASEAN National Meteorological and Hydrological Services should be consulted.