Infrared with corresponding visible light digital photos at the
entrance to Volcano Cave by Juan Corrin, March 2018 with Penny Corrin.
(See also the IR page)

These were taken in cold weather with a noticeably warmer draught blowing out.
A3: May show warming of the surrounding vegetation although others show
no or very little warming as the warmer air will rise straight up and away.
B1, 2: The blacks patches show snow.

1

2

3

4

A

 1391-jc-2018e-01-IR.png
1391-jc-2018e-01-vis.png
1391-jc-2018e-02-IR.png
1391-jc-2018e-02-vis.png

B

 1391-jc-2018e-03-IR.png
1391-jc-2018e-03-vis.png
1391-jc-2018e-04-IR.png
1391-jc-2018e-04-vis.png

C

 1391-jc-2018e-05-IR.png
1391-jc-2018e-05-vis.png