DRIFTS Normally used when referring to snow or sand particles are deposited behind obstacles or irregularities of the surface or driven into piles by the wind.
It may be formed when very cold air drifts across relatively warm water. At temperatures below about-20°F, ice particles or droxtals may be formed in the air producing a type of ice fog known as frost smoke.
its continuity (complete or patchy cover) and regularity (an even depth or irregular depth, with drifts)..its persistence from day to day.. try to note the depth/extent etc.
Almost every summer, sand and dust from the Sahara Desert in Africa drifts across the equatorial regions of the Atlantic Ocean. GOES-EAST photos enable meteorologists to observe, track and forecast this sand cloud.
driven snow"Snow that has been moved by wind and collected into snowdrifts. A wind speed of about 13 mph will move light surface snow.
Advection fog may also form when moist maritime air drifts over a cold inland area. This usually happens at night when the land temperature drops as a result of radiational cooling.
haar
A name applied to a wet sea fog or very fine drizzle that drifts in from the sea in coastal districts of eastern Scotland and northeastern England.
haster
In England, a violent storm of rain.
A cyclone (low pressure system) that possesses a cold core. Any low pressure system that forms outside the tropics is extratropical. A tropical cyclone will become extratropical if it drifts into temperature regions and becomes cold cored.
Eye ...
Sea smoke (arctic sea smoke) Evaporation fog or steam fog which is formed when water vapor is added to air which is much colder than the vapor's source; most commonly, when very cold air drifts across relatively warm water.
Steam fog- Fog that is formed when water vapor is added to air which is much colder than the vapor's source. This is most common when very cold air drifts across relatively warm water.
In publications for the mariner, drifts are usually given in miles per day or in knots. 4. See snowdrift. 5. The horizontal track of an object, for example, clouds, caused by the wind or fluid motion.
This is most common when very cold air drifts across relatively warm water.Steering winds (steering currents)A prevailing synoptic scale flow which governs the movement of smaller features embedded within it.
 See also: Water, High, Surface, Low, Weather
  
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