Spectral Glimpse delivers on-demand satellite-derived spectral index values for any point in California. Click anywhere on the map to sample six vegetation, moisture, fire, and snow indices computed from NASA VIIRS 8-day composite imagery.
Each index comes with a current value, a plain-language interpretation, and two years of historical trend data so you can see how conditions have changed over time. Data is sourced from NASA's VIIRS VNP09H1 product at 500m resolution.
Built and maintained by Jerrod Lessel, against all reasonable advice.
This tool is intended for educational and informational purposes only. Not intended for professional, legal, or financial decision-making. No warranty is made on the accuracy of outputs. Use at your own risk.
LesselGeospatial makes no warranty, express or implied, regarding the accuracy, completeness, or fitness for any particular purpose of the information provided.