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Date of Images:<\/span><\/p>

Post-Event: <\/span><\/span>8/13/2026<\/span><\/span><\/p>

Pre-Event: <\/span><\/span>July 2026<\/span><\/p>

Summary:<\/span><\/p>

These\n Black Marble Day-Night Band (BRDF-Corrected) images were created by the\n NASA Black Marble Science team. The images are corrected for \natmospheric, terrain, lunar BRDF, and straylight effects, and directly \nmeasures light intensity on the ground in units of nanowatts/(steradian \ncentimeter squared). The images are scaled from 0 - 30. The baseline \nimage is from May 2026, generated from all daily atmospheric and \nlunar-corrected data from that month. There is a layer to display where \nclouds are present. This comparison between the images is meant as a \nvisual assessment of outage impacts to aid various partners who are \nworking to deliver emergency aids to local communities. Power outage \nmaps like these help disaster response efforts in the short-term as well\n as long-term monitoring during the crucial stages of disaster recovery.<\/span><\/p>

Suggested Use:<\/span><\/p>

NASA's\n Black Marble Nighttime Light product suite is a state-of-the-art daily \nglobal collection of standard products for monitoring nighttime lights \n(NTL). Utilizing the Visible Imaging Radiometer Suite (VIIRS) Day/Night \nBand (DNB) aboard the Suomi-NPP, NOAA-20, and NOAA-21 satellites.<\/span><\/p>

The image is in black and white scale. White represents presence of more light; black indicates less lights.<\/span><\/span><\/p>

Observations\n may be obscured by total or partial cloud cover. Other factors such as \nsnow reflectance, moon phase, wildfires, and wildfire smoke may distort \nlight radiance and require further analysis when assessing power \noutages.<\/span><\/p>

Satellite/Sensor:<\/span><\/p>

Visible\n Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) onboard \nthe Suomi National Polar-orbiting Platform (SNPP), NOAA-20, and NOAA-21<\/span><\/p>

Resolution:<\/span><\/p>

15 arc-seconds (~500 meters)<\/span><\/p>

Credits:<\/span><\/p>

NASA Black Marble Science team<\/span><\/p>

Please cite the following two references when using this data:<\/span><\/p>

Román\n MO, Stokes EC, Shrestha R, Wang Z, Schultz L, Carlo EA, Sun Q, Bell J, \nMolthan A, Kalb V, Ji C. Satellite-based assessment of electricity \nrestoration efforts in Puerto Rico after Hurricane Maria. PloS one. 2019\n Jun 28;14(6):e0218883.<\/span><\/p>

Román\n MO, Wang Z, Sun Q, Kalb V, Miller SD, Molthan A, Schultz L, Bell J, \nStokes EC, Pandey B, Seto KC. NASA's Black Marble nighttime lights \nproduct suite. Remote Sensing of Environment. 2018 Jun 1;210:113-43.<\/span><\/p>

Point of Contact:<\/span><\/p>

Ranjay Shrestha<\/span><\/p>

NASA Goddard Space Flight Center<\/span><\/p>

E-mail: ranjay.m.shrestha@nasa.gov<\/span><\/p>

Additional Links:<\/span><\/p>

NASA\u2019s Black Marble Product Suite<\/a><\/p>

Román,\n M.O. et al. (2019) Satellite-based assessment of electricity \nrestoration efforts in Puerto Rico after Hurricane Maria. PLoS One, 14 \n(6).<\/span><\/p>

Román, M.O. et al. (2018) NASA\u2019s Black Marble nighttime lights product suite. Remote Sensing of Environment. 210, 113\u2013143.<\/span><\/p>

Data Access:<\/span><\/p>

REST URL: https://gis.earthdata.nasa.gov/portal/home/item.html?id=a83088fd0a0940cda0770b46e9222acf<\/a><\/p>

WMS: https://gis.earthdata.nasa.gov/portal/services/DISASTERS_202608_FLOOD_OH/202620_VIIRS_BRDF/ImageServer/WMSServer<\/a><\/p><\/div>", "pixelType": "F32", "meanPixelSize": 463.83121163863939, "exportTilesAllowed": false, "editFieldsInfo": null, "rasterTypeInfos": [{ "help": "", "name": "Raster Dataset", "description": "Supports all ArcGIS Raster Datasets" }], "defaultResamplingMethod": "Bilinear", "itemAccess": false, "minScale": 0, "serviceProperties": "NorthWest<\/MosaicMethod>First<\/MosaicOperator>true<\/SortAscending><\/LockImageID>Name<\/TileOrderField>0<\/TileOrderBase>600.000000<\/AvgImageSpacingX>300.000000<\/AvgImageSpacingY>0.0<\/ViewPointX>0.0<\/ViewPointY>0.0<\/ViewPointDefShiftX>0.0<\/ViewPointDefShiftY>None<\/CompressionMethod>75<\/CompressionQuality>0.010000<\/CompressionTolerance>Bilinear<\/SamplingMethod><\/ImageServiceProperties><\/ImageServer>", "advancedQueryCapabilities": { "supportsStatistics": true, "supportsSqlExpression": true, "supportsOrderBy": true, "useStandardizedQueries": true, "supportsPagination": true, "supportsDistinct": true }, "serviceItemId": "a83088fd0a0940cda0770b46e9222acf", "capabilities": "Catalog,Mensuration,Image,Metadata", "maxScale": 0, "stdvValues": [10.122786136902581], "allowedFields": "Name,MinPS,MaxPS,LowPS,HighPS,Tag,GroupName,ProductName,CenterX,CenterY,ZOrder,Shape_Length,Shape_Area,Date", "minPixelSize": 0, "noDataValues": [0], "sortAscending": true, "maxMosaicImageCount": 20, "inspectionCapabilities": "", "maxPixelSize": 0, "noDataValue": 0, "uncompressedSize": 3722040, "serviceDescription": "

Date of Images:<\/span><\/p>

Post-Event: <\/span><\/span>8/13/2026<\/span><\/span><\/p>

Pre-Event: <\/span><\/span>July 2026<\/span><\/p>

Summary:<\/span><\/p>

These\n Black Marble Day-Night Band (BRDF-Corrected) images were created by the\n NASA Black Marble Science team. The images are corrected for \natmospheric, terrain, lunar BRDF, and straylight effects, and directly \nmeasures light intensity on the ground in units of nanowatts/(steradian \ncentimeter squared). The images are scaled from 0 - 30. The baseline \nimage is from May 2026, generated from all daily atmospheric and \nlunar-corrected data from that month. There is a layer to display where \nclouds are present. This comparison between the images is meant as a \nvisual assessment of outage impacts to aid various partners who are \nworking to deliver emergency aids to local communities. Power outage \nmaps like these help disaster response efforts in the short-term as well\n as long-term monitoring during the crucial stages of disaster recovery.<\/span><\/p>

Suggested Use:<\/span><\/p>

NASA's\n Black Marble Nighttime Light product suite is a state-of-the-art daily \nglobal collection of standard products for monitoring nighttime lights \n(NTL). Utilizing the Visible Imaging Radiometer Suite (VIIRS) Day/Night \nBand (DNB) aboard the Suomi-NPP, NOAA-20, and NOAA-21 satellites.<\/span><\/p>

The image is in black and white scale. White represents presence of more light; black indicates less lights.<\/span><\/span><\/p>

Observations\n may be obscured by total or partial cloud cover. Other factors such as \nsnow reflectance, moon phase, wildfires, and wildfire smoke may distort \nlight radiance and require further analysis when assessing power \noutages.<\/span><\/p>

Satellite/Sensor:<\/span><\/p>

Visible\n Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) onboard \nthe Suomi National Polar-orbiting Platform (SNPP), NOAA-20, and NOAA-21<\/span><\/p>

Resolution:<\/span><\/p>

15 arc-seconds (~500 meters)<\/span><\/p>

Credits:<\/span><\/p>

NASA Black Marble Science team<\/span><\/p>

Please cite the following two references when using this data:<\/span><\/p>

Román\n MO, Stokes EC, Shrestha R, Wang Z, Schultz L, Carlo EA, Sun Q, Bell J, \nMolthan A, Kalb V, Ji C. Satellite-based assessment of electricity \nrestoration efforts in Puerto Rico after Hurricane Maria. PloS one. 2019\n Jun 28;14(6):e0218883.<\/span><\/p>

Román\n MO, Wang Z, Sun Q, Kalb V, Miller SD, Molthan A, Schultz L, Bell J, \nStokes EC, Pandey B, Seto KC. NASA's Black Marble nighttime lights \nproduct suite. Remote Sensing of Environment. 2018 Jun 1;210:113-43.<\/span><\/p>

Point of Contact:<\/span><\/p>

Ranjay Shrestha<\/span><\/p>

NASA Goddard Space Flight Center<\/span><\/p>

E-mail: ranjay.m.shrestha@nasa.gov<\/span><\/p>

Additional Links:<\/span><\/p>

NASA\u2019s Black Marble Product Suite<\/a><\/p>

Román,\n M.O. et al. (2019) Satellite-based assessment of electricity \nrestoration efforts in Puerto Rico after Hurricane Maria. PLoS One, 14 \n(6).<\/span><\/p>

Román, M.O. et al. (2018) NASA\u2019s Black Marble nighttime lights product suite. Remote Sensing of Environment. 210, 113\u2013143.<\/span><\/p>

Data Access:<\/span><\/p>

REST URL: https://gis.earthdata.nasa.gov/portal/home/item.html?id=a83088fd0a0940cda0770b46e9222acf<\/a><\/p>

WMS: https://gis.earthdata.nasa.gov/portal/services/DISASTERS_202608_FLOOD_OH/202620_VIIRS_BRDF/ImageServer/WMSServer<\/a><\/p><\/div>", "allowCopy": true, "copyrightText": "USRA/NASA Black Marble Science team ", "mensurationCapabilities": "Basic", "ownershipBasedAccessControlForRasters": null }