Precipitation types the preceding adjective "freezing", becoming known as freezing rain or freezing drizzle. Frozen forms of precipitation include snow, ice needles, sleet, hail, and graupel. Their respective intensities are classified either by rate of fall, or by visibility restriction. Precipitation falls in many forms, or phases. They can be subdivided into: The parenthesized letters are the METAR codes for each phenomenon. Precipitation occurs when local air becomes saturated with water vapor, and can no longer maintain the level of water vapor in gaseous form. This occurs when less dense moist air cools, usually when an airmass rises through the atmosphere. However,
Snow dance in a row. All of these superstitions are to help influence the temperature to drop and for snow to fall. The Snow Dance, which is meant to summon snow, contrasts the Native American tradition of ushering in rain through what is called the rain dance. Although the Snow Dance is typically performed to invite a type of weather appreciated mainly for its beauty and the fun to be had in it, the success and failure of the rain dance is a matter of survival. Due to prolonged periods of drought in the southwestern United States, the tradition formed as an