If you’re ice fishing near a passing snowstorm, you might want to take off your gloves and check. The phenomenon is known as St. Elmo’s Fire. You can watch it in the video below; you can learn more about it by visiting this article on Science Alert.
And the commentary is correct. What they’re experiencing is static electricity.
Source: Electricity Flows From Fingers On A Frozen Lake by ViralHog on Rumble