How can sleet form?
Sleet can form when raindrops freeze into tiny particles of ice as they fall through the air.
When droplets of water vapor become heavy enough the fall to the ground as rain hail sleet or snow and are called?
Sleet forms in the cold season (usually winter, but whenever it is cold enough for frozen precipitation to fall to the ground). It occurs when there is a layer of warm air in the lower-mid atmosphere just above another layer where the temperature is below freezing. Snow that forms in the clouds will melt in the warm layer, but it has enough time to refreeze into ice pellets as it falls to the surface. This…