Small for gestational age (SGA) babies are those whose birth weight lies below the 10th percentile for that gestational age. Low birth weight (LBW), is sometimes used to define a baby that weighs less than 5 lb 8 oz (2500 g) regardless of gestational age.
Historical Examples. 1  The present writer has collected several hundred local wind namesâand is constantly adding to the list. 2  Because local wind systems dominate the trade winds, these deserts are less stable than other deserts.
Winds and wind systems on the Earth. Wind is formed by the flow of air in horizontal directions. In meteorological definitions the coming direction of the wind is called wind direction. For example, Taipei will usually experience easterly winds in winter, meaning that the wind comes from the east. In weather observation, wind direction is presented by 16 directions or by angle degree (Fig 8).