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.
Section 3 Air Movement and Wind Key Concept Global winds and local winds are produced by the uneven heating of Earthâs surface. What You Will Learn â¢ Uneven heating of Earthâs surface by the sun causes differences in air pressure that cause wind. â¢ Wind patterns can be global or local and are influenced by the rotation of Earth and by geography. Why It Matters