Abstract: No abstract available.

Abstract: The sensitivity of analysis of a well-observed tropical cyclone to high-resolution structure functions and modification of the analysis scheme to accept data in the vicinity of the cyclone is studied. It is shown that these ...

Abstract: We report an observing system experiment on satellite sounding data during a 15.5-day period in January?February 1987, using the operational European Centre for Medium Range Weather Forecasts (ECMWF) system as it was in ...

Abstract: Earlier work identified serious errors and biases in the operational temperature and moisture satellite retrievals produced by statistical methods. We show that similar errors and biases are found in the physical retrievals ...

Abstract: The purpose of this paper is to demonstrate the ability of a modern data assimilation system to provide long-term diagnostic facilities to monitor the performance of the observational network. Operational data assimilation ...