AÆ Flood Division Imagery analysis:15 June 2018 | Published 19 June 2018 | Version 1.0 FL20180619BGD

91°10'0"E 91°20'0"E 91°30'0"E 91°40'0"E 91°50'0"E 92°0'0"E

Map location I N D I A N " 0 ' 0 2 ° 5 N

Amlarem 2 " 0 ' Pynursla 0

B A N G L A D E S H 2 ° 5 2 India Cherrapunji ¥¦¬

Ranikor N " 0 ' 0 1 ° 5 N 2 " 0 ' 0 1 ° 5 2 Tahirpur Gonaighat Tahirpur Bishwamvarpur Satellite Detected Waters in Bishwambarpur Companiganj Sunamganj Dowarabazar Gowainghat , Bangladesh Jaintiapur Dowarabazar N " 0

Chhatak Bazaar ' 0

Sunamganj Sadar ° 5

This map illustrates satellite-detected surface 2 N " 0

' Jamalganj 0

water extent in the northeastern part of ° 5 2 Bangladesh using a Sentinel-1 satellite Kanaighat image acquired on the 15 June 2018. In the Jamalganj Chhatak Sylhet Sadar analysed area; about 500,000 ha of lands Sunamganj Sylhet are likely affected. The population exposure Dharampasha Dakshin Sunamganj Golapgong N

analysis using WorldPop data shows that Biswanath " 0 ' 0 5 3,500,000 people are potentially affected by Beani Bazar ° 4 N " 2 0

' Bishwanath

floods in this analysed zone: ~1,500,000 are 0

5 Dakshin Surma Golabganj °

4 Mohanganj located in Sylnet Division and ~1,000,000 in 2 Jagannathpur Sumanganj Division and about 35% of the population is leaving within or close to Jagannathpur inundated areas. This is a preliminary analysis and has not yet been validated in Fenchuganj N " 0 Balaganj Fenchuganj Barlekha ' 0

the field. Please send ground feedback to Khaliajuri 4 ° 4

N Sylhet Balaganj " Sulla 2 0 UNITAR-UNOSAT. '

0 Netrakona 4 ° 4 2 Bangladesh Juri

Satellite detected Potentially affected Division/District waters Total population Nabiganj population Rajnagar (ha) Ajmiriganj Sylhet Nabiganj Kulaura

Itna Rajnagar N 75,069 421,951 2,282,233 " 0 Itna Baniachanj '

Maulvibazar 66,288 560,704 2,106,373 0 3

Ajmiriganj °

Sunamganj 236,223 1,022,403 2,708,111 4 N " 2 0

Sylhet 164,764 1,566,482 3,783,851 ' Kulaura

0 Dhaka

Total 542,343 3,571,540 10,880,568 3 ° Baniachong Maulvi Bazar SadarMoulovibazar 4 2 Maulvibazar Legend Kishoreganj

City/Town Mithamain Habibganj

Habiganj N

Kamalganj " 0 '

Highway/Primary road Bahubal 0 2 ° 4 N " 2 0

Secondary road '

0 Habiganj Sadar Sreemangal 2 °

4 Austagram River / Waterway 2 Kamalganj Lakhai Reference water Austagram Lakhai Shaistaganj Sreemangal Satellite detected waters [16 June 2018] International boundary N " 0 Division boundary Kumarghat '

Nasirnagar 0 1 ° 4 N Chunarughat " 2

District boundary 0 ' Nasirnagar 0 1 ° 4

Upazila boundary 2 Brahamanbaria Madhabpur Analysis Extent Sarail Madhabpur Khowai Sarail Shahbazpur Town N " 0 ' 0 ° 4 2 N

" Bijoynagar 0 ' 0 Map Scale for A3: 1:500,000 ° Manu 4 2 I! Km 0 5 10 15 20 91°10'0"E 91°20'0"E 91°30'0"E 91°40'0"E 91°50'0"E 92°0'0"E

Analysis conducted with ArcGIS v10.4.1 Satellite Data : Sentinel-1 Other Data: USGS, UNCS, NASA, NGA, The depiction and use of boundaries, geographic names and related data shown here are not warranted Imagery Dates (1): 15/06/2018 HDX to be error-free nor do they imply official endorsement or acceptance by the United Nations. UNOSAT is Coordinate System: WGS 1984 UTM Zone 45N Copyright: Copernicus 2018 / ESA Analysis : UNITAR - UNOSAT a program of the United Nations Institute for Training and Research (UNITAR), providing satellite imagery Projection: Transverse Mercator Source: ESA Production: UNITAR - UNOSAT and related geographic information, research and analysis to UN humanitarian & development agencies Datum: WGS 1984 Road Data : OpenStreetMap & their implementing partners. This work by UNITAR-UNOSAT is licensed under a CC BY-NC 3.0. Units: Meter Population data: Worldpop

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