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Weekly Flood Situation Report for the Mekong River Basin covering the week from 20th to 26th August 2019 and potential trend next week

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Weather Patterns, General Behaviour of the Mekong River and Flood Situation

General weather patterns

During the week from 20th to 26th August 2019, the weather outlook bulletins and maps issued by the Thailand Meteorology Department (TMD) were used to verify the weather condition in the LMB. The low pressure was observed at the middle part of LMB (Vientiane/ Nong Khai to the 3S area), which attracted rainfall in these locations during this week. The abundant rainfall often occurs at this month (August) with more rain amount than previous months. Additionally, some tropical cyclones may move closer or toward the central highland of Vietnam and will hit the Vietnam and middle part of the LMB at the end of this month. Figures 1 & 2 presented the weather map for 20th and 27th August 2019.