Attachments
Key Messages
Key messages for this weekly report are presented below.
Rainfall monitoring and forecast
- In the period of 12 - 18 November 2024, there has been light to moderate rainfall has been observed over the LMB.
- During 19 - 25 November 2024, the accumulated rainfall over the entire Lower Mekong Basin is distributed with light to moderate rain.
Water level monitoring and forecast
- At 22 key monitoring stations along the Mekong mainstream from 12 – 18 November 2024, water levels are below the long-term averages (LTAs) except for water level at Luang Prabang, and Nakhon Phanom stations. However, the 6 monitoring stations remain in normal condition with respect to the flow threshold (PMFM Thresholds). It is also the same condition for Tan Chau and Chau Doc monitoring stations, which are significantly influenced by sea tidal fluctuation.
- In the period of 19 – 25 November 2024, the water levels are forecasted to be decreasing at all stations. At Tan Chau and Chau Doc stations, the water levels are predicted to be also fluctuated, resulting from the influence of sea tidal patterns. Water levels at most of the stations are expected to be below their long-term averages (LTAs) except for Luang Prabang, station.
Drought condition and forecast
- During 12 - 18 November 2024, the LMB is experiencing normal conditions, except for some areas in the Mekong Delta, Cambodia, and the 3S Basin. The monitored drought is caused primarily by meteorological indicator. During 19 - 25 November 2024, the LMB is likely at normal conditions, except some areas in the central part of Lao PDR and the northeastern part of Thailand.
- The next three-month from December 2024 to January 2025, the forecast indicates that no significant drought conditions are expected across the entire LMB during this period. However, in November and December 2024, the upper part of the LMB, including Xayabouly and Luang Namtha provinces, is anticipated to experience moderate drought conditions.