TIROS-N data for 21 October 1979 indicate a stronger jet and cyclone vortex at 250 mb in the eastern Pacific than is suggested by forecast continuity and aircraft winds. NOAA-6 data for 29 January 1980 illustrates the problem of microwave temperature retrievals that are too low when precipitation is present. A preliminary test for the latter is outlined and recommended for users of the GWE Level lib satellite data.
1 The first of a series of articles solicited by the GARP Topics editor on recommendation of the U.S. Committee for GARP through its FGGE Advisory Panel. This series of short articles is intended to look at the large-scale synoptic features that occurred during the Global Weather Experiment and to describe any interesting preliminary results obtained, particularly, by one of the special observing systems.