Tropical cyclone MOLAVE formed on 24 October 2020 over the Philippine Sea. It was moved west passing the Philippine on 25 October 2020, with the maximum sustained winds up to 120 km/h. The category 3 Tropical Storm MOLAVE is forecast to reach the central coast of Vietnam in the early morning of 28 October, with sustained winds up to 120 km/h and then heading to Lao PDR in the evening. According to GDACS, Tropical Cyclone MOLAVE can have a high humanitarian impact based on the maximum sustained wind speed, exposed population, and vulnerability. Based on data of the forecasted tropical cyclone path of wind speeds zones from Joint Research Centre (Issued on 27 October 2020 06:00 UTC), and population data from WorldPop 2020, UNITAR-UNOSAT has prepared a population exposure analysis for Viet Nam. About 2% of population of Viet Nam lives inside the wind speed zone of 120 km/h, 2% lives inside the wind speed zone of 90 km/h and 14% lives inside the wind speed zone of 60 km/h. https://unitar.org/unosat/node/44/3147 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/VIETNAM_MOLAVE_Population_Exposure_Analysis_Report_20201027.jpg guid_1 Tue, 27 Oct 2020 16:10:42 This map illustrates satellite-detected surface waters in Quang Tri Province of Viet Nam as observed from a Sentinel-1 image acquired on 29 October 2020 at about 05:43 local time. Within the analyzed area of about 4,600 km2, a total of about 230 km2 of lands appear to be flooded. The water extent appears to have increased of about 90 km2 since 25 October 2020. Based on Worldpop population data and the detected surface waters, about 65,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3148 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_QuangTri_VietNam_29102020.jpg guid_2 Thu, 29 Oct 2020 12:29:38 This map illustrates satellite-detected surface waters in Quang Binh Province of Viet Nam as observed from a Sentinel-1 image acquired on 29 October 2020 at about 05:43 am local time. Within the analyzed area of about 6,000 km2, a total of about 250 km2 of lands appear to be flooded. The water extent appears to have increased of about 40 km2 since 24 October 2020 Based on Worldpop population data and the detected surface waters, about 70,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3149 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_QuangBinh_VietNam_29102020.jpg guid_3 Thu, 29 Oct 2020 15:44:32 Status: Floods observed in agricultural and urban areaFurther action(s): Continue monitoringDate of assessment validity: 29 October 2020Preliminary observations, impact and severity: Satellite detected waters observed along the coast as of 29 October 2020;Flood waters affecting agricultural fields in all AOIs as of 29 October 2020;Potentially flooded structures observed in all AOIs as of 29 October 2020. https://unitar.org/unosat/node/44/3150 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_Preliminary_Assessment_Report_TC20201028VNM_29102020.jpg guid_4 Thu, 29 Oct 2020 15:53:33 This map illustrates satellite-detected surface waters in Thua Thien Hue Province of Viet Nam as observed from a Sentinel-1 image acquired on 29 October 2020 at about 05:43 local time. Within the analyzed area of about 5,000 km2, a total of about 270 km2 of lands appear to be flooded. The water extent appears to have increased of about 40 km2 since 25 October 2020. Based on Worldpop population data and the detected surface waters, about 100,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3151 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Landscape_TC20201028VNM_ThuaThienHuei_VietNam_29102020.jpg guid_5 Thu, 29 Oct 2020 17:56:53 This map illustrates satellite-detected surface waters in Quang Nam Province of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020 at about 05:35 am local time. Within the analyzed area of about 8,000 km2, a total of about 80 km2 of lands appear to be flooded. The water extent appears to have increased of about 50 km2 since 25 October 2020 Based on Worldpop population data and the detected surface waters, about 45,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3152 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Landscape_TC20201028VNM_QuangNam_VietNam_30102020.jpg guid_6 Fri, 30 Oct 2020 13:47:23 This map illustrates satellite-detected surface waters in Da Nang City of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020 at about 05:35 local time. Within the analyzed area of about 300 km2, a total of about 8 km2 of lands appear to be flooded. Based on Worldpop population data and the detected surface waters, about 4,300 people are potentially exposed or living close to flooded areas.This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3154 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Landscape_TC20201028VNM_DaNang_VietNam_30102020.jpg guid_7 Fri, 30 Oct 2020 13:56:34 This map illustrates satellite-detected surface waters in Binh Dinh Province of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020 at about 05:35 local time. Within the analyzed area of about 6,000 km2, a total of about 70 km2 of lands appear to be flooded. Based on Worldpop population data and the detected surface waters, about 30,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3153 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_BinhDinh_VietNam_30102020.jpg guid_8 Fri, 30 Oct 2020 13:52:55 This map illustrates satellite-detected surface waters in Quang Ngai Province of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020. Within the analyzed area of about 5,000 km2, a total of about 90 km2 of lands appear to be flooded. The water extent appears to have increased of about 80 km2 since 25 October 2020. Based on Worldpop population data and the detected surface waters, about 53,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3155 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_QuangNgai_VietNam_30102020.jpg guid_9 Fri, 30 Oct 2020 15:18:47 Status: Floods observed in agricultural and urban areaFurther actions(s): Continue monitoringDate of assessment validity: 02 November 2020Preliminary observations, impact and severity : Flood waters affecting agricultural fields in all AOIs as of 02 November 2020;Potentially flooded structures observed in Dong Hoi and Tam Ky city & along Gianh river as of 02 November 2020;Flood waters receded south of Quang Ngai city as of 02 November 2020. https://unitar.org/unosat/node/44/3157 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_Preliminary_Assessment_Report_TC20201028VNM_02112020.jpg guid_10 Mon, 02 Nov 2020 12:30:05 This map illustrates satellite-detected surface waters in Ha Tinh Province of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020 at about 18:05 local time. Within the analyzed area of about 5,700 km2, a total of about 500 km2 of lands appear to be flooded. The water extent appears to have increased of about 450 km2 since 24 October 2020. Based on Worldpop population data and the detected surface waters, about 215,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3158 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_HaTinh_VietNam_30102020.jpg guid_11 Mon, 02 Nov 2020 13:03:40 This map illustrates satellite-detected surface waters in Nghe An Province of Viet Nam as observed from a Radarsat Constellation 1 image acquired on 31 October 2020 at about 17:56 local time. Within the analyzed area of about 8,000 km2, a total of about 400 km2 of lands appear to be flooded. Based on Worldpop population data and the detected surface waters, about 300,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3159 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_NgheAn_VietNam_31102020.jpg guid_12 Mon, 02 Nov 2020 13:07:37 This map illustrates satellite-detected surface waters in Ha Tinh Province of Viet Nam as observed from a SAOCOM-1A image acquired on 3 November 2020 at about 16:52 local time. Within the analyzed area of about 5,800 km2, a total of about 580 km2 of lands appear to be flooded. The water extent appears to have increased of about 80 km2 since 30 October 2020. Based on Worldpop population data and the detected surface waters, about 260,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3167 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_HaTinh_VietNam_03112020.jpg guid_13 Wed, 04 Nov 2020 16:18:27 This map illustrates satellite-detected surface waters in Thua Thien Hue Province of Viet Nam as observed from a Sentinel-1 image acquired on 4 November 2020 at about 05:43 local time. Within the analyzed area of about 4,700 km2, a total of about 150 km2 of lands appear to be flooded. The water extent appears to have receded of about 120 km2 since 29 October 2020. Based on Worldpop population data and the detected surface waters, about 40,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3168 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Landscape_TC20201028VNM_ThuaThienHuei_VietNam_04112020.jpg guid_14 Thu, 05 Nov 2020 13:41:45 This map illustrates satellite-detected surface waters in Nghe An Province of Viet Nam as observed from a Sentinel-1 image acquired on 9 November 2020 at 05:51 local time. Within the analyzed area of about 15,000 km2, a total of about 40 km2 of lands appear to be flooded. The water extent appears to have receded of about 360 km2 since 31 October 2020. Based on Worldpop population data and the detected surface waters, about 23,000 people are potentially exposed or living close to flooded areas.This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3172 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_NgheAn_VietNam_09112020.jpg guid_15 Tue, 10 Nov 2020 14:02:13 This map illustrates satellite-detected surface waters in Ha Tinh Province of Viet Nam as observed from a Sentinel-1 image acquired on 9 November 2020 at 05:51 local time. Within the analyzed area of about 6,000 km2, a total of about 40 km2 of lands appear to be flooded. The water extent appears to have receded of about 540 km2 since 3 November 2020. Based on Worldpop population data and the detected surface waters, about 17,000 people are potentially exposed or living close to flooded areas.This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3173 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Protrait_TC20201028VNM_HaTinh_VietNam_09112020.jpg guid_16 Tue, 10 Nov 2020 15:06:34 This map illustrates satellite-detected surface waters in Thua Thien Hue Province of Viet Nam as observed from a Sentinel-1 image acquired on 10 November 2020 at 05:43 local time. Within the analyzed area of about 5,000 km2, a total of about 200 km2 of lands appear to be flooded. The water extent appears to have increased of about 50 km2 since 4 November 2020. Based on Worldpop population data and the detected surface waters, about 65,000 people are potentially exposed or living close to flooded areas.This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal. https://unitar.org/unosat/node/44/3174 https://www.gdacs.org/contentdata/maps/unosat/TC/1000734/UNOSAT_A3_Natural_Landscape_TC20201028VNM_ThuaThienHue_VietNam_10112020.jpg guid_17 Tue, 10 Nov 2020 15:12:11