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.
Global and Local Winds, Page 1. Wind is the horizontal movement of air. All wind is caused by. the uneven heating of Earthâs surface, which sets convection. currents in motion. Convection currents on a large scale cause. global winds; convection currents on a small scale cause local winds.