The Caldor Fire in California started on August 14, 2021 and quickly spread in high winds. The fire continues to expand toward the Lake Tahoe area as residents evacuate.
The first image was captured on August 21, the 8th day. Landsat 8's near infrared and shortwave infrared bands reveal active fire, burn scars, and smoke.
Landsat's thermal and infrared bands also expose the fire's advancing edge at night time. The second image is from August 29th, 15 days after ignition.