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Weekly Flood Situation Report for the Mekong River Basin, prepared at 23/07/2019, covering the week from 16th to 22nd July 2019

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

General weather patterns

During the week of 16th to 22nd July 2019, the weather bulletins and maps were issued by the Thailand Meteorology Department (TMD). It was stated that this month, the dry spell may often occur continuously from late June because the low-pressure trough still places on the southern portion of China along with the Southwest Monsoon prevailing over Thailand mostly weakens. As a result, many areas may meet little or no rain continuously for many days, which could draw the low water level in the region. Figures 1 & 2 presented the weather map for 18th July and 22nd 2019.