Previous Image Next Image Calf Canyon Fire 1045 p.m. MDT April 23, 2022 Map of the Calf Canyon Fire showing the perimeter in red at 10:45 p.m. MDT April 23, 2022. The white line was the perimeter about 24 hours before. The red dots represent heat detected by a satellite at 2:45 a.m. MDT April 24.