Mekong River Commission Regional Flood Management and Mitigation Centre Weekly Dry Season Situation Report for the Mekong River Basin Prepared at: //, covering the week from the rd th il. Weather Patterns, General Behaviour of the Mekong River and Dry Season Situation General weather patterns: No critical weather during last General behaviour of the Mekong River: Compared to the Long Term Average (LTA), water levels at stations along mainstream of Mekong River were fluctuating above or about the LTA. For stations from Chiang Saen and Luang Prabang Compared to long term average (LTA), during last week the water levels at Chiang Saen and Luang Prabang stations were fluctuated For stations from Chiang Khan, Vientiane and Nong Khai and Paksane For stations from Nakhon Phanom to Pakse For stations from Stung Treng to Kompong Cham For stations from to Prek Kdam Tan Chau and Chau Doc Dry season situation Compared to the Long Term Average (LTA), water levels at stations along mainstream of Mekong River were fluctuating There were some rainfalls had happened in the lower reach of LMB, and the accumulated weekly rainfall is less than mm. (see Table A). For more details see the following annexes: - Tables for observed water levels and rainfall for the last week in Annex A - The water levels graphs showing the observed water levels for the season in Annex B MRC Weekly Dry Season Situation Report Week rd th il Page
Chiang Saen Luang Prabang Chiang Khan Vientiane Nongkhai Paksane Nakhon Phanom Thakhek Mukdahan Savannakhet Khong Chiam Pakse Stung Treng Kratie Kompong Cham (Bassac) Port Koh Khel Neak Luong Prek Kdam Tan Chau Chau Doc Chiang Saen Luang Prabang Chiang Khan Vientiane Nongkhai Paksane Nakhon Phanom Thakhek Mukdahan Savannakhet Khong Chiam Pakse Stung Treng Kratie Kompong Cham (Bassac) Port Koh Khel Neak Luong Prek Kdam Tan Chau Chau Doc Monday th il Annex A: Graphs and Tables Table A: observed water levels Unit: m /...................... /...................... /...................... /...................... /...................... /...................... /...................... /...................... Table A: observed rainfall. Unit: mm / nr nr nr nr nr nr nr. nr nr nr. nr. / nr nr nr nr nr nr nr nr nr. nr nr nr nr.. /.. nr nr nr nr nr nr nr.. nr... / nr nr nr nr nr nr nr nr. nr nr nr. / nr nr nr nr.. nr nr.. nr nr. nr. nr / nr nr nr nr nr nr nr nr.. nr. nr nr nr / nr nr nr nr nr nr nr nr nr nr nr nr nr nr nr / nr nr nr nr nr nr nr nr nr nr nr nr nr nr nr nr Sum RF.. -.......... nr: no rain Page MRC Weekly Dry Season Situation Report Week rd th il
Monday th il Annex B: Season Water Level Graphs This Annex has the water level graphs of the report date. These graphs are distributed weekly by email together with the River Monitoring Bulletin. HYDROGRAPH AT AM OF MEKONG TONLE SAP AND BASSAC AT MAINSTREAM STATIONS IN DRY SEASON FROM NOVEMBER TO MAY Water Level of Mekong at Chiang Saen Min WL Average- - Water Level of Mekong at Luang Prabang Min WL Average- - Water Level of Mekong at Chiang Khan Min WL Average- - MRC Weekly Dry Season Situation Report Week rd th il Page
Monday th il Water Level of Mekong at Vientiane - M in WL Average- - Water Level of Mekong at Nong Khai M in WL Average- - Water Level of Mekong at Paksane M in WL Average- - Water Level of Mekong at Nakhon Phanom M in WL Average- - Page MRC Weekly Dry Season Situation Report Week rd th il
Monday th il Water Level of Mekong at Mukdahan M in WL Average- - Water Level of Mekong at Pakse M in WL Average- - Water Level of Mekong at Stung Treng M in WL Average- - Water Level of Mekong at Kratie M in WL Average- - MRC Weekly Dry Season Situation Report Week rd th il Page
Monday th il Water Level of Mekong at Kampong Cham M in WL Average- - Water Level of Mekong at Chaktomuk M in WL Average- - Water Level of Bassac at Koh Khel M in WL Average- - Water Level of Mekong at Neak Luong M in WL Average- - Page MRC Weekly Dry Season Situation Report Week rd th il
Monday th il Water Level of Tonle Sap at Prek Kdam Min WL Average- Water Level of Mekong at Tan Chau - Min WL Average- - Water Level of Bassac at Chau Doc - Min WL Average- - MRC Weekly Dry Season Situation Report Week rd th il Page