61°30'W 60°45'W 60°W 59°15'W 58°30'W 57°45'W 57°W 56°15'W 55°30'W 9°45'N 9°45'N REGION 1- 10 IMAGERY ANALYSIS: 2 - 6 JUN 2021 PUBLISHED 7 JUN 2021 V1. FLOOD 9°N FL20210520GUY 9°N POTENTIALLY POPULATION AFFECTED AREA POTENTIALLY EXPOSED 5,000 km2 77,300

Mabaruma 8°15'N VENEZUELA 8°15'N

Port Kaituma Region 1

7°30'N Satellite detected water Charity 7°30'N extent between 2 & 6 June Region 2 2021 in Guyana Huist T'Dieren This map illustrates cumulative floods using NOAA20-VIIRS Vergenogen data in Guyana between the San Martín Georgetown de Turumbang Plaisance Buxton 2nd and the 6th of June 2021. 6°45'N Within the analyzed cloud free 6°45'N Region 3 zones of about 200,000 km2, a Little Biabu Perth Lichfield total of about 5,000 km2 of Arau St. lands appear to be flooded. Agatash Cuthbert's Based on Worldpop population Mission Region 5 Alness Belvedere data and the detected surface Region 7 Bloomfield Region 4 Morikaibai waters, about 80,000 people Linden are potentially exposed or living 6°N close to flooded areas. The 6°N GUYANA Lancaster potentially exposed population Jawalla is mainly located in the Region Ebini 6 with ~22,000 people, Region 3 with ~19,000 and Region 5 Pipillipai Region 10 with ~15,000 people. Mahdia Mabura Hill This is a preliminary analysis

5°15'N Kaieteur that has not yet been validated 5°15'N Kaibarupai in the field. Please send ground Kopanang Region 8 feedback to UNITAR-UNOSAT.

Paramakatoi

Legend 4°30'N 4°30'N City/Town River International boundary Annai SURINAME Toka Region boundary

Reference water 3°45'N 3°45'N Cloud Mask Satellite detected water Lethem Bonfim [2-6 June 2021] Cashew Island BRAZIL Region 6 Sand Creek 3°N 3°N Region 9

Awarewaunau

Aishalton Aggregated Flood Analyzed area Population Population Extent Population in in cloud free Potentially Potentially Region from 2-6 June cloud free zones Exposed to Exposed 2021 zones (km2) Floods (%) (km2) 2°15'N 2°15'N

Region 1 (Barima-Waini) 15,127 77 20,974 690 3% Region 2 (Pomeroon-Supenaam) 4,614 137 38,507 Mamirpawa8,140 21% Region 3 (Essequibo Islands-West Demerara) 3,145 148 111,585 18,870 17% Region 4 (Demerara-) 1,990 316 294,941 8,750 3% Region 5 (Mahaica Berbice) 3,634 953 52,825 15,290 29% Region 6 (East Berbice-Corentyne) 35,577 880 88,608 22,160 25% Region 7 (Cuyuni-Mazaruni) 44,760 266 20,132 80 <1% Region 8 (Potaro-Siparuni) 20,747 92 11,237 70 1% Region 9 (Upper Takutu-Upper Essequibo) 54,178 2,008 27,306 3,010 11% 1°30'N Region 10 (Upper Demerara-Berbice) 16,331 99 36,792 260 1% Map Scale for A3: 1:2,400,000 1°30'N Total 200,103 4,976 702,907 77,320 11% ¯ 0 25 50 100 KM Spatial Reference Satellite Data: VIIRS-NOAA Administrative boundaries: Guyana Lands and Surveys Analysis: UNITAR - UNOSAT Name: WGS 1984 Complex UTM Zone 21N Imagery Dates: 2-6 June 2021 Commission Production: UNITAR - UNOSAT PCS: WGS 1984 Complex UTM Zone 21N Resolution: 375 m Population data: WorldPop [2020] GCS: GCS WGS 1984 Copyright: NOAA/Suomi NPP Reference Water: JRC Datum: WGS 1984 Source: NOAA Populated place: OpenStreetMap Projection: Transverse Mercator Complex Background: ESRI World Topographic Map 61°30'W 60°45'W 60°W 59°15'W 58°30'W 57°45'W 57°W 56°15'W 55°30'W UNITAR - UNOSAT -7 bis Avenue de la Paix, CH-1202 Geneva 2, Switzerland - T:+41 22 917 4720 (UNOSAT Operations) - Hotline 24/7 : +41 75 411 4998 - [email protected] - www.unitar.org/unosat