Derived Flood Assessment
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6 August 2021 PRELIMINARY SATELLITE- DERIVED FLOOD ASSESSMENT Bocas Del Toro & Coclé Provinces, Panama Status: Decreased water extent in Bocas Del Toro & Coclé Provinces Further action(s): closed monitoring PANAMA AREA OF INTEREST (AOI) 6 August 2021 PROVINCE AOI 2 AOI 1 N FLOODS OVER PANAMA 80 km AOI 2 COSTA RICA Satellite detected water [4 August 2021] AOI 1 Decreased water extent Legend Province boundary International boundary Area of interest Cloud mask COLOMBIA Reference water Satellite detected water As of 26 July 2021 [Joint ABI/VIIRS] Satellite detected water As of 4 August 2021 [Joint ABI/VIIRS] Background: ESRI Basemap 3 AOI 1: COCLÉ PROVINCE Pajonal La Pintada Penonome COCLÉ PROVINCE Rio Grande No significant flood observed Las Guabas as of 31 July 2021 Cerrezuela Nata Aguadulce N 6 km El Roble Sentinel-2 image acquired on 31 July 2021 Image Center : 80°32'15.469"W 8°24'20.529"N Image center: AOI 1-1: EL ROBLE, SANTA MARÍA AND AGUADULCE DISTRICT, 80°38'15.806"W COCLÉ PROVINCE 8°8'3.862"N Decreased water in agricultural area observed BEFORE AFTER El Roble Inundated agricultural area Decreased water extent Santa Maria river Santa Maria river Standing water in agricultural area Inundated agricultural area Santa Maria N N 1 km Sentinel-2 / 26 July 2021 Sentinel-2 / 31 July 2021 5 Image center: AOI 1-2: AGUADULCE AND NATA, AGUADULCE DISTRICT, 80°29'4.595"W COCLÉ PROVINCE 8°15'4.27"N Decreased water extent observed in aquaculture ponds BEFORE AFTERAFTER Nata Cloud obstruction Aguadulce Aguadulce Decreased water Inundated aquaculture ponds identified as of 26 July 2021 N N 1.5 km Sentinel-2 / 26 July 2021 Sentinel-2 / 31 July 2021 6 Image center: AOI 1-3: RIO GRAND, LAS GUABAS AND CERREZUELA, NATÁ 80°28'3.519"W AND PENONOMÉ DISTRICT, COCLÉ PROVINCE 8°23'34.122"N Decreased water observed BEFORE AFTER Rio Grande Overflow evidence Decreased water along the river Decreased water Inundated agricultural area Colcé del Sur river Colcé del Sur river Las Guabas Cerrezuela Rio Grande river Rio Grande river Inundated agricultural area Decreased water Nata N N 1.5 km Sentinel-2 / 26 July 2021 Sentinel-2 / 31 July 2021 7 Image center: AOI 1-4: PENONOME, PENONOMÉ DISTRICT, NATÁ 80°21'26.053"W AND PENONOMÉ DISTRICT, COCLÉ PROVINCE 8°30'56.987"N No floods observed BEFORE AFTER Penonome N N 1 km Sentinel-2 / 26 July 2021 Sentinel-2 / 31 July 2021 8 Image center: AOI 1-5: LA PINTADA, LA PINTADA DISTRICT, 80°26'46.977"W COCLÉ PROVINCE 8°35'36.015"N No floods observed BEFORE AFTER La Pintada La Pintada Colcé del Sur river Colcé del Sur river N N 800 800 m m Sentinel-2 / 21 July 2021 Sentinel-2 / 31 July 2021 9 Image center: AOI 1-6: PAJONAL , PENONOMÉ DISTRICT, 80°15'20.696"W COCLÉ PROVINCE 8°35'36.079"N No floods observed BEFORE AFTER Cloud shadow Pajonal Pajonal Zarati river Zarati river N N 1 1 km km Sentinel-2 / 21 July 2021 Sentinel-2 / 31 July 2021 10 Image center: AOI 2-1: SAN SAN, CHANGUINOLA DISTRICT, 82°33'23.804"W BOCAS DEL BOCAS DEL TORO PROVINCE 9°27'32.295"N TORO Increased water observed along the river BEFORE AFTER San San river San San river San San San San Increased water extent Inundated area Sentinel-1 / 13 March 2021 Sentinel-1 / 31 July 2021 11 Image center: AOI 2-2: CHANGUINOLA DISTRICT, 82°38'34.953"W BOCAS DEL BOCAS DEL TORO PROVINCE 9°30'44.624"N TORO Decreased water in agricultural area observed BEFORE AFTER Inundated agricultural area COSTA RICA COSTA RICA Decreased water La Tablas California Finca 51 La Mesa Guabito San San Inundated agricultural area Decreased water PANAMA PANAMA N Sentinel-1 / 25 July 2021 Sentinel-1 / 30 July 2021 12 SUMMARY OF FINDINGS • Decreased water extent observed in El Roble, Santa María and Aguadulce Districts, Coclé Province as of 31 July 2021; • Decreased water extent in aquaculture ponds observed east of Aguadulce city, Coclé Province as of 31 July 2021; • Decreased water extent observed in the vicinity of Rio Grande, Las Guabasa nd Cerrezuela, Natá and Penonomé District, Coclé Province as of 31 July 2021; • No floods observed in the vicinity of Penonome, La Pintada & Pajonal town, Coclé Province as of 31 July 2021; • Inundated area observed along San San River, Changuinola District, Bocas Del Toro Province as of 31 July 2021; • No floods observed, Changuinola District, Bocas Del Toro Province as of 30 July 2021; 13 COPYRIGHTS AND SOURCES Data sources: (3) Ancillary data (1) Satellite Image (Post-event) Administrative boundaries: OCHA, HDX Sentinel-1 / 30 July 2021 at 11:14 UTC Populated places: OpenStreetMap Sentinel-2 / 31 July 2021 at 15:55 UTC Copyright: Contains modified Copernicus Sentinel Data [2021] Analysis: UNITAR-UNOSAT Source: ESA Production: UNITAR-UNOSAT GOES-16/ABI, Suomi-NPP and NOAA-20/VIIRS / 26 July 2021 Copyright: NOAA/Suomi NPP Source: NOAA and GEOS Rebroadcast (GRB) (2) Satellite Image (Pre-event) Sentinel-1 / 25 July 2021 at 11:14 UTC Sentinel-2 / 26 July 2021 at 15:55 UTC Copyright: Contains modified Copernicus Sentinel Data [2021] Source: ESA 14 @UNOSAT @UNITAR.unosat UNOSAT, United Nations Institute for Training T +41 022 917 4720 and Research (UNITAR) E [email protected] 7 bis, Avenue de la Paix, CH-1202 Geneva 2, www.unosat.org Switzerland.