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Wintertime disturbances in the tropical Pacific - FGGE IIIb and satellite comparisons

James P. Mcguirk, A. H. Thompson, Lloyd L. Anderson

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Abstract

The synoptic development of moisture fields associated with moisture bursts near the ITCZ is described. Dropsonde and satellite (Tiros and GOES) data for the moisture structure along the winter ITCZ North Pacific are presented and examined. These observations were compared with ECMWF analysis along the ITCZ; consideration is given to relative humidity and burst dynamics. It is observed that the ECMWF analysis reproduces the synoptic variations reasonably well.

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What this paper is about

The synoptic development of moisture fields associated with moisture bursts near the ITCZ is described. Dropsonde and satellite (Tiros and GOES) data for the moisture structure along the winter ITCZ North Pacific are presented and examined. These observations were compared with ECMWF analysis along the ITCZ; consideration is given to relative humidity and burst dynamics. It is observed that the ECMWF analysis reproduces the synoptic variations reasonably well.

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Available abstract

The synoptic development of moisture fields associated with moisture bursts near the ITCZ is described. Dropsonde and satellite (Tiros and GOES) data for the moisture structure along the winter ITCZ North Pacific are presented and examined. These observations were compared with ECMWF analysis along the ITCZ; consideration is given to relative humidity and burst dynamics. It is observed that the ECMWF analysis reproduces the synoptic variations reasonably well.

Key concepts: Intertropical Convergence Zone, Climatology, Environmental science, Dropsonde, Satellite, Tropical cyclogenesis, Moisture, Relative humidity

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