FGGE forecast experiments for Amazon Basin rainfall.

J. Buchmann, L. E. Buja, J. Paegle, Zhang Chi-Dong Zhang, D. P. Baumhefner

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Investigates the pattern of Amazon Basin rainfall forecasts of 10 Global Weather Experiment cases. Although the computations are based upon a rather crude wavenumber 15 resolution, the control forecasts exhibit a rather fine structure of the rainfall over tropical S America, including enhancements over the interior of the Amazon Basin and suppression on the NE coast of Brazil. The sensitivity of this model forecast to the presence of anomalous E Pacific heating is investigated through experiments in which a nonadiabatic term is added to the thermodynamic equation. These experiments suggest significant suppression of rainfall over the central Amazon Basin, and especially over the NE portion of Brazil.-from Authors

Original languageEnglish (US)
Pages (from-to)1625-1641
Number of pages17
JournalMonthly Weather Review
Issue number9
StatePublished - 1986

ASJC Scopus subject areas

  • Atmospheric Science


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