Usually, rainfall associated with cold fronts is in the form of heavy deluge; more rain may fall in a few minutes as the cold front passes than during the whole passage of a warm front. As the cold front passes, the clouds roll by and the air temperature may become noticeably cooler.
Face powder. Loose mineral powder. Face powder is a cosmetic powder applied to the face to set a foundation after application. It can also be reapplied throughout the day to minimize shininess caused by oily skin. There is translucent sheer powder, and there is pigmented powder.
Baby powder is an astringent powder used for preventing diaper rash, as a deodorant, and for other cosmetic uses. It may be composed of talc (in which case it is also called talcum powder) or corn starch. Talcum powder is dangerous if inhaled since it may cause aspiration pneumonia or granuloma. Drugs such as cocaine are sometimes cut with talcum powder. It is also an ingredient in counterfeit pharmaceuticals and food products as a bulking agent in order to give the appearance of a larger quantity than actually present.