Public provider color scales retrieved 2026-09-07. Used as a fallback for saved projects or when current legend metadata is unavailable. New activations request the current scale. Source URLs are retained in project legend metadata.

NASA GIBS:
https://gibs.earthdata.nasa.gov/colormaps/v1.3/GHRSST_Sea_Surface_Temperature.xml
https://gibs.earthdata.nasa.gov/colormaps/v1.3/GHRSST_Sea_Surface_Temperature_Anomalies.xml
https://gibs.earthdata.nasa.gov/colormaps/v1.3/VIIRS_Chlorophyll.xml

NOAA nowCOAST (WMS GetLegendGraphic, application/json):
https://nowcoast.noaa.gov/geoserver/observations/weather_radar/ows
Layer: conus_base_reflectivity_mosaic
https://nowcoast.noaa.gov/geoserver/observations/lightning_detection/ows
Layer: ldn_lightning_strike_density
Lightning density is scaled by 10^3 in provider data: displayed legend units are 10^-3 strikes/km^2/minute. Observations aggregate 15 minutes, approximately 8 km cells.
