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Original Articles

A comparison of satellite winds and surface buoy winds in the northeast Pacific: Research note

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Pages 501-508 | Received 29 Apr 1991, Published online: 19 Nov 2010
 

Abstract

Cloud‐motion winds measured from organized and disorganized cumulus cloud fields are compared with winds measured at collocated buoys in the northeast Pacific Ocean. Findings suggest that an automated tracking algorithm using GOES satellite imagery can measure cloud‐level winds at these latitudes. Comparisons with buoy wind measurements show that the influence of boundary‐layer stability should be included in estimates of surface winds from cloud‐motion data.

Résumé

On compare les vents mesurés par le mouvement des nuages, dans des champs de cumulus organisés ou non, à ceux mesurés à des bouées voisines. Les résultats suggèrent qu'un algorithme de poursuite automatisé utilisant l'imagerie GOES peut mesurer les vents au niveau des nuages à ces latitudes. Les comparaisons avec les mesures de vent par bouées montrent que l'influence de la stabilité dans la couche limite devrait être comprise dans les estimations du vent de surface provenant des données sur le mouvement des nuages.

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