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snippet: Black Marble Day/Night Band (BRDF-Corrected) Cloud Masks for Alaska Floods, October 2025
summary: Black Marble Day/Night Band (BRDF-Corrected) Cloud Masks for Alaska Floods, October 2025
accessInformation: USRA/NASA Black Marble Science team
thumbnail:
maxScale: 288895.27714438934
typeKeywords: ["ArcGIS Server","Data","Image Service","Service"]
description: <div style='text-align:Left;'><div><div><p><span style='font-weight:bold;'>Date of Images:</span></p><p><span></span></p><p><span>10/9/2025 - 10/23/2025<br /></span></p><p><span>Please Note: Images with majority cloud cover are not shown in the Map Viewer</span><span>, but are available in the service.</span></p><p><span></span></p><p><span style='font-weight:bold;'>Summary:</span></p><p><span>These Black Marble Day-Night Band (BRDF-Corrected) cloud masks were created by the NASA Black Marble Science team. This is the layer to displaying where clouds are present. This comparison between the images is meant as a visual assessment of outage impacts to aid various partners who are working to deliver emergency aids to local communities. Power outage maps like these help disaster response efforts in the short-term as well as long-term monitoring during the crucial stages of disaster recovery.</span></p><p><span></span></p><p><span style='font-weight:bold;'>Suggested Use:</span></p><p><span>NASA's Black Marble Nighttime Light product suite is a state-of-the-art daily global collection of standard products for monitoring nighttime lights (NTL). Utilizing the Visible Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) aboard the Suomi-NPP, NOAA-20, and NOAA-21 satellites.</span></p><p><span>Grey represents cloud cover.</span></p><p><span></span></p><p><span style='font-weight:bold;'>Satellite/Sensor:</span></p><p><span>Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) onboard the Suomi National Polar-orbiting Platform (SNPP), NOAA-20, and NOAA-21</span></p><p><span></span></p><p><span style='font-weight:bold;'>Resolution:</span></p><p><span>500 meters</span></p><p><span></span></p><p><span style='font-weight:bold;'>Credits:</span></p><p><span>NASA Black Marble Science team</span></p><p><span></span></p><p><span>Please cite the following two references when using this data:</span></p><p><span>Román MO, Stokes EC, Shrestha R, Wang Z, Schultz L, Carlo EA, Sun Q, Bell J, Molthan A, Kalb V, Ji C. Satellite-based assessment of electricity restoration efforts in Puerto Rico after Hurricane Maria. PloS one. 2019 Jun 28;14(6):e0218883.</span></p><p><span>Román MO, Wang Z, Sun Q, Kalb V, Miller SD, Molthan A, Schultz L, Bell J, Stokes EC, Pandey B, Seto KC. NASA's Black Marble nighttime lights product suite. Remote Sensing of Environment. 2018 Jun 1;210:113-43.</span></p><p><span></span></p><p><span style='font-weight:bold;'>Point of Contact:</span></p><p><span>Ranjay Shrestha</span></p><p><span>NASA Goddard Space Flight Center</span></p><p><span>E-mail: ranjay.m.shrestha@nasa.gov</span></p><p><span></span></p><p><span style='font-weight:bold;'>Additional Links:</span></p><p><a href='https://blackmarble.gsfc.nasa.gov/' style='text-decoration:underline;' target='_blank'><span>NASA’s Black Marble Product Suite</span></a></p><p><span>Román, M.O. et al. (2019) Satellite-based assessment of electricity restoration efforts in Puerto Rico after Hurricane Maria. PLoS One, 14 (6).</span></p><p><span>Román, M.O. et al. (2018) NASA’s Black Marble nighttime lights product suite. Remote Sensing of Environment. 210, 113–143.</span></p><p><span></span></p><p><span style='font-weight:bold;'>Service URL:</span></p><p><a href='https://gis.earthdata.nasa.gov/portal/home/item.html?id=961f83b5aef64f75bc4caa9c4610f4ed' target='_blank'>https://gis.earthdata.nasa.gov/portal/home/item.html?id=961f83b5aef64f75bc4caa9c4610f4ed</a></p><p><span></span></p><p><span style='font-weight:bold;'>WMS Endpoint:</span></p><p><a href='https://gis.earthdata.nasa.gov/gis05/services/DISASTERS_202510_FLOOD_AK/BM_BRDF_CLOUD/ImageServer/WMSServer' target='_blank'>https://gis.earthdata.nasa.gov/gis05/services/DISASTERS_202510_FLOOD_AK/BM_BRDF_CLOUD/ImageServer/WMSServer</a></p></div></div></div>
licenseInfo: <div style='text-align:Left;'><div><p><span>NASA data and products are freely available to federal, state, public, non-profit and commercial users. This information can be experimental- or research-grade data products and may not be appropriate for operational use. These NASA data products, services, and the Disasters Mapping Portal are intended to aid decision makers and enhance situational awareness, but these data are not guaranteed to be consistently available or routinely updated.</span></p></div></div>
catalogPath:
title: Black Marble Day/Night Band (BRDF-Corrected) Cloud Masks for Alaska Floods, October 2025
type: Image Service
url: https://gis.earthdata.nasa.gov/gis05
tags: ["Black Marble","NASA","NASA Disasters Response Coordination System","Black Marble Day-Night Band","VIIRS","Alaska","floods"]
culture: en-US
portalUrl:
name: BM_BRDF_CLOUD
guid:
minScale: 2.958287637958547E8
spatialReference: GCS_WGS_1984