Abstract: Mean geostrophic west-wind profiles are presented from seven years of 500-mb data. A method is out-lined for analyzing these profiles objectively. The appearance and significance of index cycles shown on this objective ...

Abstract: An empirically derived method is presented for objectively predicting the 24-hr movement and change in intensity of maritime cyclones. The technique developed requires only measurement of the 500-mb height and temperature ...

Abstract: Trajectories at 300 mb. numerically computed from the Joint Numerical Weather Prediction Unit's operational forecasts are compared with transosonde balloon tracks. The method developed by Hubert is shown to provide ...