Structure of an Oceanic Near-Equatorial Trough Deduced from Research Aircraft Traverses

C. S. Ramage Department of Meteorology, University of Hawaii, Honolulu 96822

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Abstract

Opinions differ on the nature of near-equatorial troughs and their associated weather. Two research aircraft traversed a South Indian Ocean near-equatorial trough on 2 February 1964. Their detailed observations support earlier, large-scale studies which postulated that trough lines above 5° latitude coincide with maximum sea-surface temperature and relatively fine weather.

Abstract

Opinions differ on the nature of near-equatorial troughs and their associated weather. Two research aircraft traversed a South Indian Ocean near-equatorial trough on 2 February 1964. Their detailed observations support earlier, large-scale studies which postulated that trough lines above 5° latitude coincide with maximum sea-surface temperature and relatively fine weather.

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