Chao Phraya River Station C.2 Discharge Volume of 416 M3/Sec (Yesterday: 432 M3./Sec) Water Level: +19.33 M.M.S.L
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Current Situation: normal, office hours 8.30 – 16.30 Water Watch and Monitoring System for Warning Center Royal Irrigation Department , MOAC Tel: 0 2669 2560 Fax 0 2243 6956, 0 2241 3350, 0 2243 1098 Hotline: 1460 http://www.rid.go.th/2009, http://wmsc.rid.go.th, E-mail : [email protected] th Report for water situation on 13 Sunday January 2013 1. Weather atmosphere The moderate high pressure covers upper Thailand causing cool with fog and dense fog in some places likely in the North, the Northeast and the Central. All transport should proceed with caution in areas of poor visibility. The southeasterly winds and the southerly winds prevail from the Gulf of Thailand with the humidity to the lower Central and the East resulting in isolated rain. 2. Highest rainfall in each region From 07.00 on 12th January 2013 to 07.00 on 13th January 2013 as follows: North part at Mueang Phchit 0.4 mm. Northeastern part at Mueang Kalasin 0.7 mm. Central part at Mueang Samut Prakan 5.8 mm. Eastern part at Ko Si Chang District Chon Buri 1.2 mm. Southern part (east coast) at Mueang Nakhon Si Thammarat 0.8 mm. Southern part (west coast) No rain 3. 3-day Raining Prediction During 14 – 17 January 2013, it is predicted that All regions may have rain about 1 – 5 mm. Information is from The National Centers for Environmental Prediction, starting prediction from 12th January 2013. 4. Water condition in reservoirs Water condition in large and medium scale reservoirs: Water volume in reservoir is 50,217 MCM which is 67% (available water volume is 26,418 MCM which is 35%). Water volume in reservoir, comparing to year 2012 (62,571 MCM which is 84%), is 12,354 MCM less than year 2012. Water discharge into reservoir is 27.62 MCM. Water releasing is 120.05 MCM, and more water intake capacity is 24,307 MCM. Water condition in large scale reservoirs: Water volume in reservoir is 47,283 MCM which is 67% (available water volume is 23,784 which is 34%) Water volume in reservoir, comparing to year 2012 (59,075 MCM which is 84%) is 11,792 MCM less than year 2012. Water discharge into reservoir is 18.91 MCM. Water releasing is 105.71 MCM, and more water intake capacity is 22,868 MCM. During dry season from 1st November 2012 up to present, accumulated water discharge into reservoir is 3,346 MCM and accumulated water releasing is 7,539 MCM. Bhumibol, Sirikit, Khwae Noi Bamrungdan, and Pa Sak Jolasid Dam, all 4 dams have total water volume of 14,053 MCM which is 57% (available water volume is 7,357 MCM of which is 30%). Water discharge into reservoir is 7.19 MCM. Water releasing is 60.05 MCM, and more water intake capacity is 10,643 MCM. 5 large-scale reservoirs that have storage water criteria over than 80% of retention capacity namely; Kio Kho Ma, Srinagarind, Vajiralongkorn, Nong Pla Lai, and Prasae Reservoirs. 1 Water Watch and Monitoring System for Warning Center, RID 3 Large-scale reservoirs that have storage water criteria less than or equal to 30% of retention capacity; namely, Huai Luang, Lampao and Thap Salao Reservoirs. 5. Runoff Condition Chao Phraya River Station C.2 discharge volume of 416 m3/sec (yesterday: 432 m3./sec) water level: +19.33 m.M.S.L. which is 6.67 m. lower than the bank. Chao Phraya Diversion Dam Station C.13 discharge volume of 60 m3 /sec (yesterday: 60 m3/sec), water level at upstream +15.55 m.M.S.L. (yesterday: +15.65 m.M.S.L.), water level at downstream +5.70 m.M.S.L.(yesterday: +5.70 m.M.S.L.) Water intake into distribution system in eastern ward field discharge volume of 145 m3/sec (yesterday: 150 m3/sec), at Chai Nat - Pa Sak Canal (Manorom Regulator):122 m3/sec, at Chai Nat- Ayutthaya Canal (Maharat Regulator); 19 m3/sec, at other small canals: 4 m3/sec, that have water into Raphiphat Canal (Phra Narai Regulator): 52 m3/sec Water intake into distribution system in western ward field Discharge of 190 m3/sec (yesterday: 223 m3/sec), at Makham Thao Uthong Canal (Makham Thao-Uthong Canal): 20 m3/sec, at Suphan River (Phonlathep Regulator): 60 m3/sec, at Noi River Borommathat Regulator); 85 m3/sec, at other small canals: 25 m3/sec. Bang Sai District Station C.29 average discharge: 114 m3/sec (yesterday: 78 m3./sec) Rama IV Barrage Discharge of 8 m3/sec (yesterday: 8 m3/sec) 6. Water allocation in dry season of 2012 / 2013 Water allocation result (large and medium scale reservoirs) For the whole country, as of November 1, 2012 up to present, water use is 8,466 MCM which is 36% of water allocation plan. In regions of Chao Phraya River (Bhumibol, Sirikit, Khwae Noi Bamrungdan, Pa Sak Jolasid Dam and Mae Klong River), today water is used 63 MCM. As of November 1, 2012 to present, water has been used for 4,088 MCM which is 45% of water allocation plan. 7. Plan – Result for dry season crop in 2012/ 2013 (Information on December 21, 2012) Whole country Plan for 16.62 million hectares (off-season rice: 13.99 million hectares, field crop-vegetable: 2.63 million hectares) actual growing of 7.41 million hectares (45%) which composes of off-season rice: 6.74 million hectares(48%) and field crop-vegetable: 0.67 million hectares (25%) Chao Phraya River Plan for 9.60 million hectares (off-season rice: 9.17 million hectares, field crop-vegetable: 0.43 million hectares), actual growing of 5.83 million hectares (61%) which composes of off-season rice: 5.67 million hectares (62%), field crop-vegetable: 0.16 million hectares (37%) 8. Situation of dry season crop 8.1 Irrigation Projects that have plan to stop dry season crop, namely: 1. Lam Pao Operation and Maintenance Project, Kalasin 2. Huai Luang Operation and Maintenance Project, Udon Thani 3. Nong Wai Operation and Maintenance Project, Khon Kaen 4. Upper Mun - Lam Chae Operation and Maintenance Project, Nakhon Ratchasima. 5. Kra Siao Operation and Maintenance Project 6. Pran Buri Operation and Maintenance Project, Prachuap Khiri Khan 8.2 Irrigation Project that have plan to stop off-season rice but continue growing crops that use little water, namely; 1. Mae Yom Operation and Maintenance Project, Phrae 2. Lamtakhong Operation and Maintenance Project, Nakhon Ratchasima. 2 Water Watch and Monitoring System for Warning Center, RID 9. Water Quality (information on 5th January, 2013) Chao Phraya River (Canal mouth of Samlae, Pathum Thani) DO is lower than standard criteria and salinity is normal criteria. Chao Phraya River (Pier at Nonthaburi) Both DO and salinity are normal standard. Mae Klong River (Canal mouth of Damnoen Saduak, Ratchaburi) Both DO and salinity are normal standard. 10. Drought Situation Department of Disaster Prevention and Mitigation has notification of disaster area in case of emergency (delayed rain/drought) from October 1, 2012 – present, there are 28 provinces, 275 districts, 1,944 sub- districts, 19,983 villages 11. Readiness Preparation and help offer 1,877 Mobile pumps are prepared by RID in order to help people in and off-season rice, field crop and consumption. Now, 121 pumps are installed. 3 Water Watch and Monitoring System for Warning Center, RID .