DISASTER SITUATION REPORT TO UNDP RESIDENT REPRESENTATIVEPrepared by: UNDP/MARD - DISASTER MANAGEMENT UNIT, VIE/97/00213:00 Monday, 29 November, 2004Summary of Current Disaster Conditions in Vietnam
1. Flood Damage Potential: LOW IN THE NORTHERN, IN CENTRAL, AND IN THE SOUTHERN RIVER SYSTEMS
2. Situation Analysis of Flood on Rivers in Vietnam:
(According to Bulletin No. 173/DB/TVTNBO, issued by the Vietnam Hydro-meteorological Service in Hanoi at 10:30, 29 November 2004).
CENTRAL RIVER SYSTEMS:The flood water levels on rivers in the Middle Central provinces are reducing, while those on rivers in the Southern Central provinces and in the Highlands Central Vietnam are changing slowly.At 7:00 on 29 November 2004, the flood water levels on some rivers in the region were as follows:
- Kien Giang River (Le Thuy Gauging Station-Quang Binh province): 1.49 meters (0.49 meters higher than Alarm Level I = 1.00 meters),
- Thach Han River (Quang Tri Gauging Station-Quang Tri province): 2.01 meters (equal to Alarm Level I = 2.00 meters),
- Bo River (Phu Oc Gauging Station-TT Hue province): 3.08 meters (0.08 meters higher than Alarm Level II = 3.00 meters),
- Huong River (Kim Long Gauging Station-Thua Thien Hue Province): 1.45 meters (0.55 meters below Alarm Level II = 2.00 meters),
- Vu Gia River (Ai Nghia Gauging Station-Quang Nam Province): 7.01 meters (0.61 meters above Alarm Level I = 6.50 meters),
- Thu Bon River (Cau Lau Gauging Station-Quang Nam province): 3.04 meters (0.06 meters lower than Alarm Level II = 3.00 meters),
- Ve River (Song Ve Gauging Station-Quang Ngai Province): 2.99 meters (0.11 meters below Alarm Level II = 3.10 meters),
- Kon River ( Thach Hoa Gauging station-Binh Dinh Province): 6.18 meters (0.32 meters lower than Alarm Level II = 6.50 meters),
Forecast:On 30 November 2004, the flood water levels on rivers in the Middle Central provinces will be likely reducing. The flood water levels on rivers in provinces in the Northern Central and in the Central Highlands will be changing slowly and maintaining at low levels.
SOUTHERN RIVER SYSTEMS: The flood water levels on the Cuu Long (Mekong) River are reducing slowly and maintaining at low levels. At 7h:00 on 29 November 2004, the highest flood water level on the Tien River at the Tan Chau Gauging Station (An Giang Province) was at 1.90 meters (1.10 meter above Alarm Level I=3.00 meters) and that on the Hau River at the Chau Doc Gauging Station (An Giang Province) was at 1.65 meters (0.85 meter lower than Alarm Level I=2.50 meters). Those flood water levels are much lower than that of the same period of previous years.
Forecast: The flood water levels on the Cuu Long River will be reducing. By 03 December 2004, the flood water levels at the Tan Chau Gauging Station will likely be at 1.80 meters (1.20 meters below Alarm Level I = 3.00 meters); and that at the Chau Doc Gauging Station at 1.60 meters (0.90 meters lower than Alarm Level I = 2.50 meters).
3. Next information: The next information from the Standing Office of the Central Committee for Flood and Storm Control is expected at 14:00, Tuesday, November 30, 2004.
4. Archives: Contact the DMU Website at: www.undp.org.vn/dmu
5. Times: All times are given in Vietnamese Standard Time (GMT+7).Translated by Nguyen Thi Kim Ngan (DMU); Edited by M. Silver (STA).
Distinction of river flood alarm levels:
Alarm Level I - Possible flood condition - River water level is high; threat to low height embankments; flooding of very low lying areas; infrastructure safe.
Alarm Level II - Dangerous flood condition - Flood plane inundation expected; towns and cities still generally protected by flood defences; high velocity River flows pose danger of bank and dyke erosion; bridge foundations at risk from scour; infrastructure generally safe.
Alarm Level III - Very dangerous flood condition - All low lying areas submerged, including low lying areas in cities and towns; safety of River protection dykes in jeopardy; damage to infrastructure begins.
Alarm Level III + Emergency flood condition - General and wide spread uncontrollable flooding; dyke failure a certainty and probably uncontrollable; damage to infrastructure severe.
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