From 25 Feb to 02 Mar 2020, there was no rainfall in the LMB. Based on the weather outlook bulletins and maps issued by the Thailand Meteorology Department (TMD) were used to verify the weather condition in the LMB. They stated that for March 2020, sweltering and dry weather with little humidity will occurs with very hot weather on some days, especially around the Upper Thailand because mostly southerly wind prevails over LMB. However, at some periods, coldly high-pressure air masses from China will meet hot air masses already prevailing over LMB. They also stated that summer thunderstorms will often occur at short durations over the LMB. Figures 1 presented the weather map for 25 Feb and 02 Mar 2020.
Source: Mekong River Commission