Rain and snow mixed and snow. Though no "official" criteria exist for the term, in the United Kingdom the term is not used when any significant accumulation of snow on the ground takes place. It is often used when the temperature of the ground surface is above , preventing accumulation from occurring even if the air temperature is marginally below ; but even then, the falling precipitation must generally be something other than exclusively snow. In the United States, wintry mix generally refers to a mixture of freezing rain, ice pellets, and snow. In contrast to the usage in the United Kingdom, in the
Gregory M. Sleet Gregory M. Sleet Gregory Moneta Sleet (born March 8, 1951 in New York City, New York) is a former United States District Judge of the United States District Court for the District of Delaware. Sleet was born in New York City, New York. He received a Bachelor of Arts degree from Hampton University in 1973. He received a Juris Doctor from Rutgers School of Law–Camden in 1976, where he was an Earl Warren Scholar. He was an assistant public defender, Defender Association of Philadelphia from 1976 to 1983. He was in private practice of law in Philadelphia, Pennsylvania from 1983