LOUISVILLE, KY – An unusual form of frozen precipitation known as graupel could make an appearance across portions of Kentucky on Friday, Nov. 13, as scattered rain showers move through the region and colder air creates conditions favorable for brief wintry precipitation.
According to the National Weather Service in Louisville, widely scattered showers are expected Friday, with rain remaining the primary precipitation type. However, heavier showers could briefly produce a rain-snow mixture or graupel.
Graupel consists of small, soft snow pellets that form when supercooled water droplets freeze onto snowflakes…