What is graupel and how is it different from hail?
Graupel (a.k.a. soft hail or snow pellets) are soft small pellets of ice created when supercooled water droplets coat a snowflake. Sleet (a.k.a. … Snow forms mainly when water vapor turns to ice without going through the liquid stage.
What is sleet rain?
Sleet and Freezing Rain Profile In the sleet scenario, snow falling aloft goes through a warm layer where it melts into rain. After exiting this warmer layer, the raindrops then refreeze into pellets of ice as they fall into a deep and or very cold layer of sub-freezing air near and just above the surface of the earth.