A LOW-LEVEL JET IN THE TROPICS

Abstract
A temporary mesoscale network of pilot balloon stations on a tropical island (Barbados, West Indies) revealed the existence of a low-level jet at 700 m above mean sea level, with a maximum wind near 40 m/s and a duration of at least 2 hr. The phenomenon appears to be associated with the Venturi effect produced in the low levels by a traveling gravity wave at the inversion. It is suggested that jets of this kind probably exist over other tropical islands.

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