Abstract: Evidence is presented for a highly regular seasonal rearrangement of the long-wave pattern over North America from the winter to the spring. The change involves a reversal of the trough-ridge pattern between the two seasons ...

Abstract: We investigate the pattern of Amazon Basin rainfall forecasts of ten Global Weather Experiment (GWE) cases. Although the computations are based upon a rather crude wavenumber 15 resolution, the control forecasts exhibit a ...