PowerPoint Presentation

Bản ghi

1 Overview of existing flash flood forecasting and warning infrastructures of NMHSs of Southeast Asia Hanoi, 20 th November 2017

2 1. Current hydrometeorological network Phong Sali Phon Hong Nong Khai Xi X«Ph«n C Cùu Lai Ch u Hå Nëm Ngõm Lai Ch u iön Biªn Phñ Xiang Khoang M«ng Tù Lµo Cai Cam -êng Pakxan S n La S n La Siem Reap Pu S t Lµo Cai V n S n Yªn B i NghÜa Lé s«ng M Hµ Giang Hµ Giang Hå Th c Bµ Tuyªn Quang Yªn B i NghÖ An Kompong Thom Compong Chnang V. R¹ch Gi L«Phó Thä ViÖt Tr Phó Thä Cµ Mau Tuyªn Quang Ch u èc An Giang Kiªn Giang VÜnh Yªn B¾c K¹n S«ng C«ng VÜnh Phóc S n T y Hßa B nh Hoµ B nh Thanh Ho Long Xuyªn R¹ch Gi Cµ Mau Hµ «ng Thanh Hãa Hµ TÜnh Th i Nguyªn Th i Nguyªn Hµ T y ång Th p B¹c Liªu Hå Ba BÓ Phñ Lý Ninh B nh Nam Þnh Ninh B nh Tam iöp BØm S n Cöa Lß cöa Héi Vinh Sa Ðt Pak Se Cao L nh CÇn Th CÇn Th B¹c Liªu Cao B»ng B¾c K¹n Cao B»ng B¾c Giang B¾c Ninh B¾c Ninh H i D- ng SÇm S n Hång LÜnh cöa Sãt Sãc Tr ng H i D- ng H-ng Yªn Hµ Nam Nam Þnh cöa L¹ch GhÐp V. DiÔn Ch u H-ng Yªn Hµ TÜnh cöa Nh-îng Stung Treng Kratie T y Ninh T y Ninh Long An TiÒn Giang VÜnh Long VÜnh Long Sãc Tr ng L¹ng S n Th i B nh Th i B nh Qu ng B nh Hå DÇu TiÕng Sg. T n An Trµ Vinh H i Phßng cöa KhÈu Sa La Van BÕn Tre Trµ Vinh Þnh An B»ng T-êng B¾c Giang H i Phßng BÕn Tre Nam L¹ng S n U«ng BÝ å S n cöa Th i B nh cöa Trµ Lý L¹t cöa NhËt LÖ ång Híi Qu ng TrÞ B nh D- ng B nh Ph-íc Thñ dçu Mét Gß C«ng Ninh Minh ång Xoµi Biªn Hoµ Qu ng Ninh CÈm Ph Hå TrÞ An H¹ Long cöa ViÖt «ng Hµ ång Nai cöa Tïng Qu ng TrÞ HuÕ Bµ RÞaBµ RÞa - Vòng Tµu Vòng Tµu Thõa Thiªn - HuÕ cöa ThuËn An TP. µ N½ng Qu ng Nam B o Léc Kon Tum Pl y Ku Bu«n Ma Thuét B nh ThuËn Kon Tum Gia Lai ¾k L k Hå L¾c L m ång V. µ N½ng Héi An Phan ThiÕt Tam Kú Qu ng Ng i µ L¹t Qu ng Ng i B nh Þnh Kh nh Hoµ Ninh ThuËn Phó Yªn Quy Nh n Tuy Hßa Nha Trang V. V n Phong V. Cam Ranh Phan Rang-Th p Chµm MËu Danh T y Giang B n å m¹ng l-íi tr¹m khý t-îng toµn quèc Nguyªn Giang H u Giang 194 meteorological stations 755 rainfall gauging devices Mª C«ng N. Ngõm Mª C«ng S«ng Ch y hå s«ng µ s«ng C s«ng Hång S«ng s«ng Chu s«ng s«ng S«ng G m HiÕu Con s«ng C s«ng M s«ng CÇu S«ng Luéc cöa ¹i cöa L¹ch Sg. Kú Sg. Trµ Lý GhÐp Cïng Sg. Lôc cöa Ba T Giang vþnh b¾c bé Kh m Giang chó thých Sg. BÕn H i Tr¹m khý t-îng c b n: 168 Tr¹m khý t-îng kióm tra n m 2003: 65 Xª Bang Hiªng Thu Bån Sg. Xª C«ng Xtg Xreng Xª Xan Xrª P«c Sg. µ R»ng n T«n Lª Xap (bión Hå) Porec Tª «Xia Pua Xat Mª Sµi Gßn Sg. ång Nai C«ng b Ó n i v.th i lan S«ng TiÒn S«ng HËu Sg. Cæ Chiªn cöa cöa cöa CungHÇu Soi ¹i R¹p cöa

3 1. Current hydrometeorological network 453 hydrological stations

4 1. Current hydrometeorological network 7 radar stations

5 1. Current hydrometeorological network 5 MTSAT BAND VIS IR4 IR3(WV) IR1 IR2 1 V1 Band Wavelength [µm] Spatial Resolution Km 2 V2 Visible Km 3 VS Km 4 N Km 5 N2 Near Infrared 1.6 2Km 6 N Km 7 I Km 8 WV 6.2 2Km 9 W Km 10 W Km 11 MI 8.6 2Km Infrared 12 O Km 13 IR Km 14 L Km 15 I Km 16 CO Km RGB Water vapor O 3 (Ozone) Atmospheric Windows CO 2 (Carbon dioxide) True Color Image Aerosol Water cloud and Ice cloud Size of the cloud droplet Fog, Hot spot(forest fire) SO 2 (Sulfur dioxide)

6 2. Organizational structure and human resources MONRE NHMS Director-General Assistant Offices 1. Administration Department 2. Personnel Department 1. National Centre for Hydro-Met. Forecasting (140 people) institutional units 5. Aero-Meteorological Observatory 3.Finance and planning Department 4. S&T and International cooperation Department 2. Hydrological, Meteorological and Environmental Station Network Center 3. Hydro-meteorological Data and Information Center 6. Center for Application of Hydro- Met. Technology 7. Hydro-Meteorology Survey Detachment 4. Project Management Office 8. Hydro-met Journal Regional Hydro-Meteorological Centers 1. Tay Bac (Northwest) 2. Viet Bac (Mid Northern) 3. Dong Bac (Northeast) 4. Dong Bang Bac Bo (Red River Delta) 5. Bac Trung Bo (North Central) 6. Trung Trung Bo (Mid Central) 7. Nam Trung Bo (South Central) 8. Tay Nguyen (Central Highland) 9. Nam Bo (Southern)

7 3. National capacity for flash flood forecasting and warning Flash flood forecasting and warning procedure 1. Forecast weather patterns for extensive rainfall based on the satellite, radar images and observations Radar image Observed rainfall Satellite image

8 3. National capacity for flash flood forecasting and warning 2. Analyze and forecast rainfall using the numerical weather models for different provinces and river basin catchments. 3. Overlap the observed and forecasted rainfall, land cover, hill s slope, river network and provincial maps to obtain the flash flood risk map.

9 5. National capacity for flash flood forecasting and warning Observed rainfall Forecasted rainfall Potential flashflood map 4. Analyze the forecasted rainfall pattern and potential flash flood map, then issue the flash flood forecasting and warning

10 3. National capacity for flash flood forecasting and warning The NCHMF has been applied the Flash Flood Guidance System (FFGS) software provided by the Mekong River Commission (MRC) for flash flood forecasting and warning in Vietnam since 2009

11 3. National capacity for flash flood forecasting and warning Flash flood and landslide risk map for 14 provinces in Northern Vietnam (based on hill s slope and land cover maps)

12 4. Collaboration with emergency management, governmental and nongovernmental agencies

13 Thank you for listening